# List of United States tornadoes from July to September 2021

This page documents all tornadoes confirmed by various weather forecast offices of the National Weather Service in the United States from July to September 2021. On average, there are 134 confirmed tornadoes in the United States in July, 83 in August, and 74 in September.
All three months had varying levels of tornadoes that were produced from tropical cyclones. July was near average with 129 tornadoes, with several tornadoes produced by Hurricane Elsa as well as a destructive outbreak at the end of the month. August had 149 tornadoes, the first month to be above average since March. Most of the tornado activity came from the tropics, including moderate to severe outbreaks produced by Tropical Storm Fred and Hurricane Ida, the latter of which continued into September. The rest of September, however, saw only isolated tornado activity and was significantly below average with only 28 tornadoes.

## United States yearly total

Confirmed tornadoes by Enhanced Fujita rating :
| EFU | EF0 | EF1 | EF2 | EF3 | EF4 | EF5 | Total |
| 210 | 545 | 433 | 103 | 21 | 3 | 0 | 1,315 |

## July

Confirmed tornadoes by Enhanced Fujita rating :
| EFU | EF0 | EF1 | EF2 | EF3 | EF4 | EF5 | Total |
| 23 | 44 | 53 | 6 | 2 | 0 | 0 | 128 |

### July 1 event

List of confirmed tornadoes – Thursday, July 1, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF1 | N of Farmington to SW of Houston | Kent | DE | 38°53′21″N 75°34′57″W﻿ / ﻿38.8892°N 75.5826°W﻿ / 38.8892; -75.5826﻿ (Farmington (July 1, EF1)) | 20:52–20:55 | 3.85 mi (6.20 km) | 50 yd (46 m) | Metal roofing was peeled from a business, trees were snapped and knocked down, and numerous tree limbs were downed. Two homes were damaged by falling trees and tree limbs. Corn was flattened in a convergent pattern. |
| EF1 | ENE of Milford to Slaughter Beach | Sussex | DE | 38°55′15″N 75°23′23″W﻿ / ﻿38.9209°N 75.3898°W﻿ / 38.9209; -75.3898﻿ (Milford (July 1, EF1)) | 21:00–21:07 | 4.7 mi (7.6 km) | 100 yd (91 m) | Two pole barns lost most of their roofing, three trailers were overturned, part of a porch roof was uplifted, and a large TV antenna was bent. Trees were uprooted and snapped. Falling tree branches damaged vehicles and destroyed a shed. |
| EF1 | Waverley Hills to the National Mall | Arlington (VA), Washington, D.C. | VA, D.C. | 38°53′47″N 77°07′03″W﻿ / ﻿38.8965°N 77.1174°W﻿ / 38.8965; -77.1174﻿ (Arlington–Washington (July 1, EF1)) | 00:59–01:05 | 4.33 mi (6.97 km) | 125 yd (114 m) | The tornado first touched down in the Waverly Hills community in Arlington County and traveled eastward through the county's Cherrydale and Lyon Village neighborhoods. Several homes lost siding and numerous trees were snapped and uprooted, with some downing power lines. A large tree limb struck a home, injuring and briefly trapping one person. The tornado then crossed the Potomac River near the Theodore Roosevelt Bridge and continued eastward along the National Mall in Washington, D.C. The tornado dissipated near 16th Street NW and Constitution Avenue, south of The Ellipse and the White House. Winds uprooted trees and broke their trunks and branches on and near the Mall. Temporary fences erected for the Mall's upcoming July 4 Independence Day events were lifted, twisted and fell near the end of the tornado's path. Portable toilets brought in for the events also toppled over. Straight-line winds damaged trees near other landmarks, including the Lincoln Memorial and the DC War Memorial. Damage amounted to $600,000. A Major League Baseball game between the Washington Nationals and Los Angeles Dodgers was stopped due to the tornado nearby. |
| EF0 | Kingman Park | Washington, D.C. | D.C. | 38°54′05″N 76°59′50″W﻿ / ﻿38.9014°N 76.9973°W﻿ / 38.9014; -76.9973﻿ (Washington (July 1, EF1)) | 01:08–01:10 | 0.97 mi (1.56 km) | 75 yd (69 m) | A brief tornado downed several hardwood trees and snapped numerous tree limbs. One large tree limb fell on two cars. Damage amounted to $100,000. |

### July 2 event

List of confirmed tornadoes – Saturday, July 2, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EFU | Catalina Foothills | Pima | AZ | 32°18′31″N 110°50′40″W﻿ / ﻿32.3085°N 110.8445°W﻿ / 32.3085; -110.8445﻿ (Catalina Foothills (July 2, EFU)) | 21:57-22:03 | 0.59 mi (0.95 km) | 10 yd (9.1 m) | A weak landspout was photographed moving through Northeast Tucson. No damage occurred. |

### July 3 event

List of confirmed tornadoes – Saturday, July 3, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | N of Otis | Washington | CO | 40°22′N 102°56′W﻿ / ﻿40.37°N 102.94°W﻿ / 40.37; -102.94﻿ (Burdett (July 3, EFU)) | 22:19-22:20 | 0.01 mi (0.016 km) | 25 yd (23 m) | A landspout briefly touched down in an open field. |
| EF0 | NW of Woodrow | Morgan | CO | 40°04′N 103°41′W﻿ / ﻿40.06°N 103.69°W﻿ / 40.06; -103.69﻿ (Gary (July 3, EFU)) | 22:41-22:45 | 0.01 mi (0.016 km) | 25 yd (23 m) | A landspout briefly touched down in an open field. |
| EFU | NE of Clinton | Sheridan | NE | 42°47′N 102°19′W﻿ / ﻿42.79°N 102.31°W﻿ / 42.79; -102.31﻿ (Clinton (July 3, EF0)) | 23:16 | 0.1 mi (0.16 km) | 10 yd (9.1 m) | A brief landspout touched down over open prairie. No damage was reported. |

### July 6 event

List of confirmed tornadoes – Tuesday, July 6, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EFU | S of Lamar | Prowers | CO | 37°53′N 102°41′W﻿ / ﻿37.88°N 102.69°W﻿ / 37.88; -102.69﻿ (Lamar 2 (July 6, EFU)) | 20:14-20:17 | 0.19 mi (0.31 km) | 20 yd (18 m) | A landspout briefly touched down in an open field. |
| EFU | S of Lamar | Prowers | CO | 37°53′N 102°41′W﻿ / ﻿37.88°N 102.69°W﻿ / 37.88; -102.69﻿ (Lamar 2 (July 6, EFU)) | 20:14-20:17 | 0.19 mi (0.31 km) | 20 yd (18 m) | This landspout occurred simultaneously with the previous one. |
| EFU | WNW of Hays | Blaine | MT | 48°02′17″N 108°50′24″W﻿ / ﻿48.0380°N 108.84000°W﻿ / 48.0380; -108.84000﻿ (Hays (July 6, EFU)) | 00:11–00:20 | 4.89 mi (7.87 km) | 30 yd (27 m) | A brief tornado moved across open, inaccessible ranchland and was documented by pictures, video, and radar. No known damage occurred. |

### July 7 event

Events were associated with Hurricane Elsa.
List of confirmed tornadoes – Wednesday, July 7, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | SW of Columbia | Columbia | FL | 30°03′24″N 82°42′22″W﻿ / ﻿30.0568°N 82.7061°W﻿ / 30.0568; -82.7061﻿ (Columbia (July 7, EF0)) | 10:47–10:48 | 0.03 mi (0.048 km) | 100 yd (91 m) | Trees were snapped. A back porch had its metal roof peeled back and adjoining plywood walls collapsed. |
| EF1 | NNE of Mandarin to S of Arlington | Duval | FL | 30°13′38″N 81°36′24″W﻿ / ﻿30.2271°N 81.6066°W﻿ / 30.2271; -81.6066﻿ (Arlington (July 7, EF1)) | 20:45–20:51 | 3.71 mi (5.97 km) | 150 yd (140 m) | This tornado caused considerable damage in neighborhoods south of downtown Jacksonville. Industrial buildings suffered heavy damage with metal siding ripped off, roofs peeled back, and debris thrown to the top of a radio tower. Many homes and some apartment buildings were damaged in residential areas, trees were uprooted, and tree limbs were snapped. One large pine tree was snapped and fell on the deck of an apartment building. There was tree damage at University Christian School as well. |
| EF1 | St. Marys to WNW of Dungeness | Camden | GA | 30°43′14″N 81°32′49″W﻿ / ﻿30.7205°N 81.5469°W﻿ / 30.7205; -81.5469﻿ (Kings Bay base(July 7, EF1)) | 21:43–21:49 | 7.61 mi (12.25 km) | 200 yd (180 m) | In St. Marys, several homes and apartment buildings sustained considerable damage, a garage was destroyed, and trees were downed, some of which landed on structures. Father north, additional damage occurred at an RV park and Naval Submarine Base Kings Bay. Multiple RVs were flipped over, with two flipped completely upside down. One was blown about 200 yards (200 m) into a lake, as was a pickup truck. Solar panels were damaged, and several hardwood trees were snapped. 17 people were injured. The tornado was initially given a preliminary rating of EF2, but was downgraded to EF1 a few days later. |
| EF1 | E of Springfield | Effingham | GA | 32°22′20″N 81°17′00″W﻿ / ﻿32.3721°N 81.2832°W﻿ / 32.3721; -81.2832﻿ (Springfield (July 7, EF1) | 02:48–02:50 | 1.95 mi (3.14 km) | 100 yd (91 m) | Multiple homes suffered minor roof and siding damage, two boats on trailers were overturned, two carports collapsed, and power lines were downed. Numerous trees were uprooted and snapped. One person was injured. |
| EF1 | SSE of Parris Island | Beaufort | SC | 32°19′15″N 80°40′27″W﻿ / ﻿32.3208°N 80.6741°W﻿ / 32.3208; -80.6741﻿ (Parris Island (July 7, EF1) | 03:44–03:45 | 0.13 mi (0.21 km) | 50 yd (46 m) | A very brief tornado snapped numerous softwood trees. |
| EF1 | Port Royal | Beaufort | SC | 32°22′35″N 80°41′29″W﻿ / ﻿32.3763°N 80.6915°W﻿ / 32.3763; -80.6915﻿ (Port Royal (July 7, EF1) | 03:50–03:52 | 0.63 mi (1.01 km) | 75 yd (69 m) | Numerous trees and tree limbs were snapped in town, some of which fell on homes and took down power lines. |

### July 8 event

Event in the Southeastern United States was associated with Hurricane Elsa.
List of confirmed tornadoes – Thursday, July 8, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF1 | Edisto Island | Charleston | SC | 32°33′46″N 80°17′52″W﻿ / ﻿32.5627°N 80.2978°W﻿ / 32.5627; -80.2978﻿ (Edisto Island (July 8, EF1) | 05:00–05:02 | 1.12 mi (1.80 km) | 100 yd (91 m) | Trees were snapped and uprooted along the path. |
| EF1 | NE of Mount Pleasant Regional Airport | Charleston | SC | 32°54′54″N 79°43′53″W﻿ / ﻿32.9149°N 79.7314°W﻿ / 32.9149; -79.7314﻿ (Edisto Island (July 8, EF?) | 07:36–07:38 | 0.82 mi (1.32 km) | 150 yd (140 m) | Trees and tree limbs were snapped, and a home had its front door blown in. |
| EF0 | S of New Zion | Clarendon | SC | 33°48′33″N 80°01′16″W﻿ / ﻿33.8091°N 80.0212°W﻿ / 33.8091; -80.0212﻿ (Mount Zion (July 8, EF0) | 08:12–8:14 | 1.5 mi (2.4 km) | 40 yd (37 m) | The wall of a warehouse collapsed, an equipment shelter was destroyed, and a grain auger was knocked over. Other buildings had minor roof damage. Numerous trees and tree limbs were snapped, and corn was flattened in a convergent pattern. |
| EFU | W of Lake Mattamuskeet | Hyde | NC | 35°26′N 76°20′W﻿ / ﻿35.44°N 76.34°W﻿ / 35.44; -76.34﻿ (Lake Mattamuskeet (July 8, EFU) | 18:53–19:14 | 12.49 mi (20.10 km) | 30 yd (27 m) | The tornado moved through cornfields and swamps, flattening crops. No established damage indicators were impacted. |
| EF0 | NW of Harrellsville | Hertford | NC | 36°19′N 76°49′W﻿ / ﻿36.31°N 76.82°W﻿ / 36.31; -76.82﻿ (Harrelsville (July 8, EF0) | 19:45–19:50 | 2.82 mi (4.54 km) | 40 yd (37 m) | A few trees and numerous tree limbs were downed. |
| EF0 | SW of Lummis | City of Suffolk | VA | 36°40′N 76°43′W﻿ / ﻿36.66°N 76.72°W﻿ / 36.66; -76.72﻿ (Lummis (July 8, EF0) | 23:04–23:06 | 1.38 mi (2.22 km) | 50 yd (46 m) | A few trees were snapped and tree limbs were broken off. |
| EF0 | Kings Fork | City of Suffolk | VA | 36°46′N 76°37′W﻿ / ﻿36.77°N 76.61°W﻿ / 36.77; -76.61﻿ (Lummis (July 8, EF0) | 23:16–23:17 | 0.89 mi (1.43 km) | 40 yd (37 m) | A few trees were downed and tree limbs were broken. |
| EF1 | Westernville | Oneida | NY | 43°18′N 75°23′W﻿ / ﻿43.30°N 75.39°W﻿ / 43.30; -75.39﻿ (Westernville (July 8, EF1) | 23:30–23:36 | 2.16 mi (3.48 km) | 100 yd (91 m) | Several homes in Westernville had their roofs blown off, and numerous trees were uprooted and snapped. Outside of town, a barn lost its roof and crops were damaged. |
| EF0 | Smithfield | Isle of Wight | VA | 36°59′N 76°37′W﻿ / ﻿36.98°N 76.61°W﻿ / 36.98; -76.61﻿ (Smithfield (July 8, EF0) | 23:31–23:34 | 2.98 mi (4.80 km) | 50 yd (46 m) | A weak tornado snapped trees and tree limbs. One tree fell on a house. |
| EF0 | Taylors Beach | Camden | NC | 36°17′N 76°07′W﻿ / ﻿36.28°N 76.12°W﻿ / 36.28; -76.12﻿ (Shiloh (July 8, EF0) | 00:01–00:03 | 1.49 mi (2.40 km) | 60 yd (55 m) | The roof was torn from a boat house and an outbuilding was destroyed by a fallen tree. Trees were uprooted and snapped. |

### July 9 event

Events were associated with Hurricane Elsa.
List of confirmed tornadoes – Friday, July 9, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF1 | Woodbine | Cape May | NJ | 39°14′09″N 74°47′34″W﻿ / ﻿39.2358°N 74.7927°W﻿ / 39.2358; -74.7927﻿ (Woodbine (July 9, EF1) | 06:40–06:42 | 0.94 mi (1.51 km) | 75 yd (69 m) | A picnic shelter was destroyed, with patio furniture and other debris scattered and the roof dropped into a swimming pool. A condominium office lost its front door and sustained a buckled wall. Fences were blown over and numerous trees were uprooted and snapped, with one tree falling on a house. |
| EF0 | Little Egg Harbor Township | Ocean | NJ | 39°34′13″N 74°21′35″W﻿ / ﻿39.5704°N 74.3598°W﻿ / 39.5704; -74.3598﻿ (Little Egg Harbor Township (July 9, EF0) | 07:33–07:34 | 0.27 mi (0.43 km) | 110 yd (100 m) | A few houses suffered minor damage and vinyl fences were blown down, with debris from one fence striking a home. Trees were snapped and uprooted and numerous tree limbs were downed. |

### July 10 event

List of confirmed tornadoes – Saturday, July 10, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF1 | W of Arenzville | Morgan | IL | 39°51′57″N 90°26′56″W﻿ / ﻿39.8658°N 90.4488°W﻿ / 39.8658; -90.4488﻿ (Arenzville (July 10, EF1) | 18:55–18:58 | 0.90 mi (1.45 km) | 75 yd (69 m) | Trees and power lines were downed. |
| EF0 | NNE of Littleton | Schuyler | IL | 40°16′12″N 90°35′56″W﻿ / ﻿40.27°N 90.5988°W﻿ / 40.27; -90.5988﻿ (Littleton (July 10, EF0) | 19:00–19:02 | 0.11 mi (0.18 km) | 50 yd (46 m) | A brief tornado damaged a pole barn and downed a few large tree limbs. |
| EF0 | Virginia | Cass | IL | 39°56′08″N 90°14′57″W﻿ / ﻿39.9355°N 90.2493°W﻿ / 39.9355; -90.2493﻿ (Virginia (July 10, EF0) | 19:22–19:35 | 3.2 mi (5.1 km) | 75 yd (69 m) | A bus barn, greenhouse, and the porch of a house were damaged. Trees were uprooted, and Virginia High School sustained roof damage. |
| EF1 | SSW of Chandlerville | Cass | IL | 40°00′26″N 90°10′54″W﻿ / ﻿40.0071°N 90.1816°W﻿ / 40.0071; -90.1816﻿ (Chandlerville (July 10, EF1) | 19:44–19:51 | 2.42 mi (3.89 km) | 75 yd (69 m) | A barn was leveled, and trees and crops sustained heavy damage. |
| EFU | S of Newmansville | Cass | IL | 39°58′24″N 90°02′42″W﻿ / ﻿39.9734°N 90.0451°W﻿ / 39.9734; -90.0451﻿ (Newmansville (July 10, EFU)) | 20:16-20:17 | 0.07 mi (0.11 km) | 10 yd (9.1 m) | A tornado briefly touched down near the intersection of Newmansville Road and Cox Creek Road. No damage occurred. |
| EF1 | NW of Clints Well | Coconino | AZ | 34°35′59″N 111°19′18″W﻿ / ﻿34.5998°N 111.3216°W﻿ / 34.5998; -111.3216﻿ (Clints Well (July 10, EF1)) | 00:01-00:06 | 1.25 mi (2.01 km) | 300 yd (270 m) | Large trees were snapped. |
| EF1 | S of Yale | Payne | OK | 36°05′17″N 96°43′12″W﻿ / ﻿36.088°N 96.72°W﻿ / 36.088; -96.72﻿ (Yale (July 10, EF1)) | 00:25-00:27 | 1.4 mi (2.3 km) | 100 yd (91 m) | Trees and power poles were snapped south of Yale, and several structures were damaged. |
| EF2 | Dexter | Stoddard | MO | 36°48′36″N 89°59′55″W﻿ / ﻿36.8101°N 89.9985°W﻿ / 36.8101; -89.9985﻿ (Dexter (July 10, EF2) | 01:18–01:29 | 5.8 mi (9.3 km) | 175 yd (160 m) | 150 homes in Dexter were damaged as a result of this multiple-vortex tornado. One home suffered significant roof loss, with half a dozen other homes sustaining heavy damage due to fallen trees. Several mobile homes were damaged or destroyed as well. Several garages were removed from their foundations, and three large buildings received major roof damage. A hospital had shattered windows, ceiling panels blown down, and a structure attached to the hospital was blown away. Vehicles were damaged from flying debris, including some with broken windows, and hundreds of trees were snapped or uprooted. |

### July 11 event

List of confirmed tornadoes – Sunday, July 11, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | S of Chino Valley | Yavapai | AZ | 34°44′N 112°27′W﻿ / ﻿34.73°N 112.45°W﻿ / 34.73; -112.45﻿ (Chino Valley (July 11, EF0) | 00:10–00:11 | 0.7 mi (1.1 km) | 10 yd (9.1 m) | A trained storm spotter observed a tornado. No damage was reported. |

### July 12 event

List of confirmed tornadoes – Monday, July 12, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | WNW of Fisher | Champaign | IL | 40°20′21″N 88°23′21″W﻿ / ﻿40.3391°N 88.3892°W﻿ / 40.3391; -88.3892﻿ (Arenzville (July 12, EF0) | 17:30–17:35 | 0.72 mi (1.16 km) | 50 yd (46 m) | One wall of a machine shed was blown in and roof panels were removed and blown into a field. |

### July 13 event

List of confirmed tornadoes – Monday, July 13, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | SE of Madrid | Santa Fe | NM | 35°19′N 106°04′W﻿ / ﻿35.32°N 106.06°W﻿ / 35.32; -106.06﻿ (Madrid (July 13, EF0)) | 19:35–19:36 | 0.17 mi (0.27 km) | 50 yd (46 m) | A brief landspout was reported by a spotter. |
| EFU | Mona | Juab | UT | 39°49′05″N 111°51′46″W﻿ / ﻿39.8181°N 111.8627°W﻿ / 39.8181; -111.8627﻿ (Mona (July 13, EFU)) | 20:40–20:45 | 0.2 mi (0.32 km) | 10 yd (9.1 m) | A rain shower produced a brief landspout in Mona, which was caught on video. No damage occurred. |

### July 14 event

List of confirmed tornadoes – Wednesday, July 14, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF3 | WSW of Lake City to WNW of Lohrville | Calhoun | IA | 42°15′38″N 94°47′00″W﻿ / ﻿42.2605°N 94.7834°W﻿ / 42.2605; -94.7834﻿ (Lake City (July 14, EF3) | 20:52–21:17 | 10.81 mi (17.40 km) | 505 yd (462 m) | This large multiple-vortex tornado moved through Lake City, downing trees, signs, and power lines and also inflicting roof damage to homes. A bus shed was heavily damaged, and metal debris from the structure was thrown onto a nearby athletic field. The most severe damage occurred outside of town, where multiple large poultry barns were completely destroyed, and a two-story home at a farmstead sustained total loss of its second floor, and some collapse of first floor exterior walls. Trees were snapped and denuded, a couple of trucks were tossed or overturned, and barns and grain bins were destroyed as well. Damage was $2.5 million. |
| EF0 | NE of Stratford to NE of Stanhope | Hamilton | IA | 42°16′36″N 93°54′46″W﻿ / ﻿42.2768°N 93.9128°W﻿ / 42.2768; -93.9128﻿ (Stratford (July 14, EF0) | 21:05–21:23 | 8.85 mi (14.24 km) | 50 yd (46 m) | This tornado remained over fields for most of its path, though it inflicted some tree damage on a farmstead shortly before roping out. Its track was enhanced using hi-resolution satellite imagery. |
| EF1 | NE of Stanhope to NE of Jewell | Hamilton | IA | 42°19′04″N 93°45′44″W﻿ / ﻿42.3179°N 93.7623°W﻿ / 42.3179; -93.7623﻿ (Stanhope (July 14, EF1) | 21:21–21:40 | 8.87 mi (14.27 km) | 160 yd (150 m) | This tornado remained over open fields for most of its path, though trees were snapped on two farmsteads. |
| EFU | NW of Gowrie | Webster | IA | 42°17′42″N 94°21′07″W﻿ / ﻿42.295°N 94.3519°W﻿ / 42.295; -94.3519﻿ (Gowrie (July 14, EFU) | 21:46–21:47 | 0.31 mi (0.50 km) | 30 yd (27 m) | A brief tornado was observed by storm chasers as it tracked through a field. Its path was determined using hi-res satellite imagery. |
| EFU | SE of Allison | Butler | IA | 42°43′19″N 92°45′42″W﻿ / ﻿42.7219°N 92.7616°W﻿ / 42.7219; -92.7616﻿ (Allison (July 14, EFU) | 21:57-21:59 | 1.19 mi (1.92 km) | 50 yd (46 m) | A brief tornado was reported by a storm chaser southeast of Allison. Its track was determined using hi-res satellite imagery, since no damage indicators were impacted. |
| EFU | S of Nemaha | Sac | IA | 42°29′10″N 95°05′57″W﻿ / ﻿42.486°N 95.0992°W﻿ / 42.486; -95.0992﻿ (Nemaha (July 14, EFU) | 22:11-22:13 | 0.6 mi (0.97 km) | 25 yd (23 m) | A brief tornado was captured on video by a storm chaser as it tracked through a field. |
| EF2 | SW of Shell Rock to ESE of Waverly | Butler, Bremer | IA | 42°41′16″N 92°36′58″W﻿ / ﻿42.6877°N 92.6161°W﻿ / 42.6877; -92.6161﻿ (Shell Rock (July 14, EF2) | 22:16–22:43 | 12.88 mi (20.73 km) | 630 yd (580 m) | This tornado touched down near Shell Rock and impacted several farmsteads, causing tree and structural damage. The most intense damaged occurred elsewhere as a well-built outbuilding was destroyed, severe tree damage occurred, and a high-voltage power line was downed. Minor tree and structure damage occurred in other areas along the path. |
| EF1 | SE of Nora Springs to SSW of Floyd | Floyd | IA | 43°05′42″N 92°57′56″W﻿ / ﻿43.0951°N 92.9656°W﻿ / 43.0951; -92.9656﻿ (Nora Springs (July 14, EF1) | 22:34–23:02 | 12.02 mi (19.34 km) | 60 yd (55 m) | A barn was destroyed, tree limbs were broken, and corn was blown down. |
| EFU | WSW of Lytton | Sac | IA | 42°25′03″N 94°54′31″W﻿ / ﻿42.4174°N 94.9087°W﻿ / 42.4174; -94.9087﻿ (Lytton (July 14, EFU) | 22:35-22:38 | 0.77 mi (1.24 km) | 30 yd (27 m) | A storm chaser captured this tornado with a drone as it tracked through a field. |
| EF0 | NE of Rockwell | Cerro Gordo | IA | 43°00′58″N 93°09′58″W﻿ / ﻿43.0161°N 93.1662°W﻿ / 43.0161; -93.1662﻿ (Rockwell (July 14, EF0) | 22:52–23:05 | 5.1 mi (8.2 km) | 225 yd (206 m) | A grain bin was damaged and minor tree damage occurred. This tornado's path was determined using hi-res satellite imagery and a spotter report. |
| EF0 | E of Readlyn | Bremer | IA | 42°42′32″N 92°07′10″W﻿ / ﻿42.7088°N 92.1195°W﻿ / 42.7088; -92.1195﻿ (Readlyn (July 14, EF0) | 23:12-23:18 | 2.5 mi (4.0 km) | 150 yd (140 m) | Minor tree damage occurred on a farmstead. An emergency manager report and hi-res satellite imagery were used to determine the path of this tornado. |
| EFU | N of Huntington | Emery | UT | 39°20′57″N 110°57′41″W﻿ / ﻿39.3491°N 110.9613°W﻿ / 39.3491; -110.9613﻿ (Emery (July 14, EFU) | 23:15-23:20 | 0.09 mi (0.14 km) | 10 yd (9.1 m) | A widely visible landspout touched down one mile north of Huntington. |
| EF0 | NW of Hazleton to Oelwein | Buchanan, Fayette | IA | 42°38′N 91°57′W﻿ / ﻿42.64°N 91.95°W﻿ / 42.64; -91.95﻿ (Oelwein (July 14, EF0) | 23:43–23:53 | 3.18 mi (5.12 km) | 30 yd (27 m) | A tornado impacted a high school in Oelwein, damaging the ticket booth and fencing, as well as ripping metal siding off stands. The sides of a greenhouse were blown out, the FFA's chicken coop was tipped over, and the school roof was lifted. At a nearby restaurant, an air handler unit was ripped off and windows were broken. Some crops and trees were damaged along the tornado's path. |
| EF1 | Southern Dysart | Tama, Benton | IA | 42°09′58″N 92°19′09″W﻿ / ﻿42.1661°N 92.3193°W﻿ / 42.1661; -92.3193﻿ (Dysart (July 14, EF1) | 00:05–00:19 | 5.65 mi (9.09 km) | 590 yd (540 m) | A broad multi-vortex tornado caused EF1 damage to homes in southwestern Dysart, in addition to trees and farm outbuildings along its path. |
| EFU | SW of Lamont | Buchanan | IA | 42°35′N 91°43′W﻿ / ﻿42.58°N 91.72°W﻿ / 42.58; -91.72﻿ (Lamont(July 14, EFU) | 00:10 | 0.1 mi (0.16 km) | 10 yd (9.1 m) | A tornado briefly touched down in a field. No damage was reported. |
| EFU | NW of Garrison | Benton | IA | 42°12′N 92°13′W﻿ / ﻿42.20°N 92.22°W﻿ / 42.20; -92.22﻿ (Garrison #1 (July 14, EFU) | 00:19 | 0.1 mi (0.16 km) | 10 yd (9.1 m) | A tornado briefly touched down in a field. No damage was reported. |
| EFU | ESE of Garrison | Benton | IA | 42°08′N 92°06′W﻿ / ﻿42.14°N 92.1°W﻿ / 42.14; -92.1﻿ (Garrison #2 (July 14, EFU) | 00:36 | 0.1 mi (0.16 km) | 10 yd (9.1 m) | A tornado briefly touched down in a field. No damage was reported. |
| EF1 | SW of Manchester | Delaware | IA | 42°27′25″N 91°31′37″W﻿ / ﻿42.457°N 91.527°W﻿ / 42.457; -91.527﻿ (Manchester #1 (July 14, EF1) | 00:50–00:53 | 1.39 mi (2.24 km) | 40 yd (37 m) | Trees and tree limbs were snapped. |
| EF1 | SW of Manchester | Delaware | IA | 42°28′01″N 91°29′28″W﻿ / ﻿42.467°N 91.491°W﻿ / 42.467; -91.491﻿ (Manchester #2 (July 14, EF1) | 00:54–00:56 | 1.12 mi (1.80 km) | 30 yd (27 m) | Several outbuildings and a large show barn were damaged. A machine shed was destroyed. |
| EFU | SE of Vinton | Benton | IA | 42°08′N 91°56′W﻿ / ﻿42.14°N 91.94°W﻿ / 42.14; -91.94﻿ (Vinton #1 (July 14, EFU) | 00:56 | 0.1 mi (0.16 km) | 10 yd (9.1 m) | A tornado briefly touched down in a field. No damage was reported. |
| EFU | S of Vinton | Benton | IA | 42°06′N 92°03′W﻿ / ﻿42.10°N 92.05°W﻿ / 42.10; -92.05﻿ (Vinton #2 (July 14, EFU) | 01:07 | 0.1 mi (0.16 km) | 10 yd (9.1 m) | A tornado briefly touched down in a field. No damage was reported. |
| EFU | ENE of Center Point | Linn | IA | 42°12′N 91°40′W﻿ / ﻿42.20°N 91.66°W﻿ / 42.20; -91.66﻿ (Center Point #1 (July 14, EFU) | 01:50 | 0.1 mi (0.16 km) | 10 yd (9.1 m) | A tornado briefly touched down in a field. No damage was reported. |
| EFU | N of Center Point | Linn | IA | 42°14′N 91°47′W﻿ / ﻿42.23°N 91.78°W﻿ / 42.23; -91.78﻿ (Center Point #2 (July 14, EFU) | 01:52 | 0.1 mi (0.16 km) | 10 yd (9.1 m) | A tornado briefly touched down in a field. No damage was reported. |
| EFU | S of Buck Creek | Delaware | IA | 42°18′14″N 91°20′57″W﻿ / ﻿42.304°N 91.3491°W﻿ / 42.304; -91.3491﻿ (Buck Creek (July 14, EFU) | 02:40–02:41 | 0.36 mi (0.58 km) | 10 yd (9.1 m) | High-resolution satellite imagery revealed a brief tornado in a corn field. |
| EF1 | SW of Monticello | Jones | IA | 42°13′N 91°17′W﻿ / ﻿42.21°N 91.29°W﻿ / 42.21; -91.29﻿ (Monticello #1 (July 14, EF1) | 02:44–02:48 | 1.8 mi (2.9 km) | 40 yd (37 m) | Outbuildings were damaged and large trees were snapped on two farms. |
| EF1 | SE of Monticello to S of Cascade | Jones | IA | 42°13′N 91°08′W﻿ / ﻿42.21°N 91.14°W﻿ / 42.21; -91.14﻿ (Monticello #2 (July 14, EF1) | 03:02–03:20 | 8 mi (13 km) | 30 yd (27 m) | The tornado moved through farmland and wooded areas. A farmstead was impacted near the end of its path, where an outbuilding was destroyed and a barn lost its roof. |
| EF1 | NE of Onslow | Jones | IA | 42°09′N 90°58′W﻿ / ﻿42.15°N 90.96°W﻿ / 42.15; -90.96﻿ (Onslow (July 14, EF1) | 03:30–03:34 | 3.13 mi (5.04 km) | 30 yd (27 m) | This tornado tracked across rural areas, snapping several trees. |

### July 17 event

List of confirmed tornadoes – Saturday, July 17, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | S of Wellington | Sumner | KS | 37°12′N 97°24′W﻿ / ﻿37.2°N 97.4°W﻿ / 37.2; -97.4﻿ (Wellington (July 17, EFU) | 00:27-00:28 | 0.01 mi (0.016 km) | 25 yd (23 m) | A landspout very briefly touched down over open country. |
| EF1 | S of Columbus to Jacobstown | Burlington | NJ | 40°03′04″N 74°43′19″W﻿ / ﻿40.051°N 74.722°W﻿ / 40.051; -74.722﻿ (Jacobstown(July 17, EF1) | 02:25–02:36 | 7.75 mi (12.47 km) | 300 yd (270 m) | Trees were uprooted or snapped and large tree limbs were broken. Some tree limbs fell on power lines. |

### July 18 event

List of confirmed tornadoes – Sunday, July 18, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | Somers | Tolland | CT | 41°58′33″N 72°26′51″W﻿ / ﻿41.9758°N 72.4474°W﻿ / 41.9758; -72.4474﻿ (Somers (July 18, EF0) | 22:11–22:18 | 1.9 mi (3.1 km) | 75 yd (69 m) | Shingles were removed from the roof of a home. A playscape was lofted and landed 50 ft (15 m) away. Another home sustained damage to a corner of its roof. Trees were uprooted, twisted, and snapped. Two cars were destroyed by falling trees as well. |

### July 20 event

List of confirmed tornadoes – Saturday, July 20, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | S of Sinton | San Patricio | TX | 27°58′N 97°31′W﻿ / ﻿27.97°N 97.51°W﻿ / 27.97; -97.51﻿ (Sodville (July 20, EF0)) | 22:00 | 0.01 mi (0.016 km) | 20 yd (18 m) | A brief landspout was observed by a storm chaser near Sinton. |

### July 23 event

List of confirmed tornadoes – Saturday, July 23, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | W of Bernalillo | Sandoval | NM | 35°18′N 106°35′W﻿ / ﻿35.3°N 106.58°W﻿ / 35.3; -106.58﻿ (Bernalillo (July 23, EF0)) | 20:30-20:31 | 0.03 mi (0.048 km) | 20 yd (18 m) | A brief landspout was seen along the Rio Grande in NE Rio Rancho, but no damage was reported. |

### July 24 event

List of confirmed tornadoes – Saturday, July 24, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | E of Port Austin | Huron | MI | 44°02′20″N 82°58′08″W﻿ / ﻿44.039°N 82.969°W﻿ / 44.039; -82.969﻿ (Port Austin (July 24, EF0) | 20:36–20:40 | 2.88 mi (4.63 km) | 110 yd (100 m) | A waterspout formed offshore of Port Austin. The waterspout moved onshore and destroyed an outbuilding. A fence was also damaged, as well as a field of soybean crops and some trees. |
| EF1 | S of Flushing | Genesee | MI | 43°01′19″N 83°50′49″W﻿ / ﻿43.022°N 83.847°W﻿ / 43.022; -83.847﻿ (Flushing (July 24, EF1) | 22:21–22:26 | 1.88 mi (3.03 km) | 200 yd (180 m) | Three garages were either partially or completely destroyed. Some homes sustained minor roof and structural damage. Sporadic tree and crop damage occurred along the path. |
| EF1 | NNE of White Lake to SSW of Clarkston | Oakland | MI | 42°40′12″N 83°29′48″W﻿ / ﻿42.6699°N 83.4966°W﻿ / 42.6699; -83.4966﻿ (White Lake (July 24, EF1) | 23:54–23:59 | 1.65 mi (2.66 km) | 400 yd (370 m) | Several homes were damaged, including shingle and roof damage. One home's garage door was completely blown off. Trees were snapped or uprooted, with some falling onto a home causing damage and injuring one person. The tornado eventually tracked into Pontiac Lake. While crossing the lake, the tornado damaged homes on two peninsulas before it dissipated. |
| EF1 | ENE of Romeo to NNE of Armada | Macomb | MI | 42°50′08″N 82°54′27″W﻿ / ﻿42.8355°N 82.9075°W﻿ / 42.8355; -82.9075﻿ (Romeo (July 24, EF1) | 23:54–00:08 | 3.45 mi (5.55 km) | 700 yd (640 m) | This tornado caused considerable damage in Armada. One older home completely lost its roof, with some upper walls collapsing as a result. A couple other homes sustained severe roof damage, while many other homes received minor roof damage. Numerous trees were snapped or uprooted in town as well. The tornado exited Armada and tore a large section of roof from a home before dissipating. |

### July 26 event

List of confirmed tornadoes – Monday, July 26, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF1 | Red Lake | Beltrami | MN | 47°53′N 95°01′W﻿ / ﻿47.88°N 95.02°W﻿ / 47.88; -95.02﻿ (Red Lake (July 26, EF1) | 22:13–22:15 | 0.83 mi (1.34 km) | 300 yd (270 m) | A waterspout formed over the southern edge of Lower Red Lake and quickly moved onshore just east of Red Lake Senior High School. As the tornado crossed MN 1, it broke a light pole and toppled signage near a Humanities Center. Large portions of roofing and trim were torn from the building. Steel roofing panels were also torn off sheds at a MnDOT facility. Numerous trees were snapped or uprooted along the path. |
| EF1 | E of Redby | Beltrami | MN | 47°53′N 94°52′W﻿ / ﻿47.89°N 94.87°W﻿ / 47.89; -94.87﻿ (Redby (July 26, EF1) | 22:16–22:22 | 4.06 mi (6.53 km) | 300 yd (270 m) | Another waterspout formed over the southern edge of Lower Red Lake and quickly moved onshore just east of Redby. Many trees were snapped or uprooted as this tornado tracked through a heavily forested area. |
| EF0 | Nebish Township to WNW of Tenstrike | Beltrami | MN | 47°47′N 94°52′W﻿ / ﻿47.78°N 94.86°W﻿ / 47.78; -94.86﻿ (Nebish Township (July 26, EF0) | 22:23–22:36 | 8.53 mi (13.73 km) | 200 yd (180 m) | Several trees were snapped along the path of this tornado. |

### July 28 event

List of confirmed tornadoes – Wednesday, July 28, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EFU | Northern Ogden | Weber | UT | 41°14′21″N 111°58′54″W﻿ / ﻿41.2392°N 111.9817°W﻿ / 41.2392; -111.9817﻿ (Ogden (July 28, EFU)) | 23:30-23:31 | 0.21 mi (0.34 km) | 10 yd (9.1 m) | A weak but well-formed landspout was widely observed. |
| EF1 | SE of Pine River | Lincoln, Marathon | WI | 45°08′N 89°36′W﻿ / ﻿45.14°N 89.6°W﻿ / 45.14; -89.6﻿ (Pine River (July 28, EF1) | 01:40–01:44 | 2.7 mi (4.3 km) | 300 yd (270 m) | Widespread tree damage occurred along the path of this tornado. |
| EF0 | WNW of Bevent | Marathon | WI | 44°46′32″N 89°26′47″W﻿ / ﻿44.7756°N 89.4464°W﻿ / 44.7756; -89.4464﻿ (Bevent (July 28, EF0) | 02:18-02:19 | 0.22 mi (0.35 km) | 100 yd (91 m) | Trees were uprooted and a power pole was damaged. |
| EF1 | SE of New Richmond | St. Croix | WI | 45°04′54″N 92°28′56″W﻿ / ﻿45.0818°N 92.4822°W﻿ / 45.0818; -92.4822﻿ (New Richmond (July 28, EF0) | 02:48–02:56 | 5.66 mi (9.11 km) | 100 yd (91 m) | A few houses sustained roof and exterior damage, one of which had its attached garage completely destroyed with debris strewn through a nearby farm field. Outbuildings were damaged or destroyed, and trees were snapped or uprooted. |
| EF0 | W of Borth | Waushara | WI | 44°05′57″N 88°56′19″W﻿ / ﻿44.0993°N 88.9387°W﻿ / 44.0993; -88.9387﻿ (Borth (July 28, EF0) | 04:06-04:08 | 0.47 mi (0.76 km) | 33 yd (30 m) | Crops were flattened and an outbuilding was damaged. |

### July 29 event

List of confirmed tornadoes – Thursday, July 29, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF1 | S of Portage | Columbia | WI | 43°29′48″N 89°29′20″W﻿ / ﻿43.4968°N 89.489°W﻿ / 43.4968; -89.489﻿ (Portage (July 29, EF1) | 05:10–05:13 | 2.25 mi (3.62 km) | 100 yd (91 m) | Trees, outbuildings, and mobile homes were damaged. Storage trailers were thrown and destroyed. |
| EF0 | NW of Columbus | Columbia | WI | 43°21′21″N 89°03′00″W﻿ / ﻿43.3557°N 89.05°W﻿ / 43.3557; -89.05﻿ (Columbus (July 29, EF0) | 05:41–05:42 | 0.43 mi (0.69 km) | 50 yd (46 m) | Minor tree and crop damage occurred. |
| EF0 | Cross Plains | Dane | WI | 43°09′42″N 89°41′14″W﻿ / ﻿43.1616°N 89.6873°W﻿ / 43.1616; -89.6873﻿ (Cross Plains 1 (July 29, EF0) | 05:41–05:45 | 4.78 mi (7.69 km) | 50 yd (46 m) | A small, weak tornado moved through Cross Plains, snapping numerous tree branches. |
| EF1 | SE of Cross Plains | Dane | WI | 43°06′49″N 89°37′44″W﻿ / ﻿43.1136°N 89.6289°W﻿ / 43.1136; -89.6289﻿ (Cross Plains 2 (July 29, EF1) | 05:41–05:48 | 2.76 mi (4.44 km) | 250 yd (230 m) | Trees were snapped or uprooted, and tree limbs were downed. Crop damage occurred, and a metal roof panel was ripped from a barn and thrown into a field. |
| EF1 | West Middleton | Dane | WI | 43°04′33″N 89°35′13″W﻿ / ﻿43.0759°N 89.5869°W﻿ / 43.0759; -89.5869﻿ (Middleton (July 29, EF1) | 05:47–05:50 | 2.44 mi (3.93 km) | 125 yd (114 m) | Many trees and tree limbs were downed in West Middleton, a few of which landed on homes. A garage door was also damaged by flying tree debris. Homes sustained minor shingle damage, and a house that was under construction sustained collapse of its roof and exterior walls. |
| EF0 | Northern Verona | Dane | WI | 43°02′41″N 89°33′14″W﻿ / ﻿43.0448°N 89.5538°W﻿ / 43.0448; -89.5538﻿ (Verona (July 29, EF0) | 05:48–05:58 | 3.52 mi (5.66 km) | 75 yd (69 m) | A tornado moved through the northern part of Verona, downing trees and tree branches. One large but rotten tree trunk was snapped, a basketball hoop was blown over, and houses had fascia and gutters ripped off. Shingles were torn from the roof of an apartment building as well. |
| EF0 | SW of Watertown | Jefferson | WI | 43°10′30″N 88°48′09″W﻿ / ﻿43.1751°N 88.8024°W﻿ / 43.1751; -88.8024﻿ (Watertown #1 (July 29, EF0) | 06:05–06:13 | 5.95 mi (9.58 km) | 100 yd (91 m) | Trees were damaged, outbuildings were destroyed, and a house had a large section of roofing torn off. Another home sustained siding damage as well. |
| EF1 | SE of Watertown to NNE of Sullivan | Jefferson | WI | 43°07′15″N 88°40′07″W﻿ / ﻿43.1208°N 88.6687°W﻿ / 43.1208; -88.6687﻿ (Watertown #2 (July 29, EF1) | 06:07–06:22 | 7.69 mi (12.38 km) | 200 yd (180 m) | This tornado caused considerable damage to trees, outbuildings, and houses in and around the small community of Concord. Flag poles were bent over at a park in town, sheet metal was wrapped around power lines, and power poles were snapped. One tree fell through the roof of a home. |
| EF0 | NW of Farmington | Jefferson | WI | 43°06′56″N 88°44′40″W﻿ / ﻿43.1155°N 88.7444°W﻿ / 43.1155; -88.7444﻿ (Farmington (July 29, EF0) | 06:07–06:12 | 3.6 mi (5.8 km) | 25 yd (23 m) | Trees and tree limbs were downed, and a small airplane hangar had its door torn off by this brief, weak tornado. |
| EF1 | W of Dousman | Jefferson, Waukesha | WI | 43°00′55″N 88°32′50″W﻿ / ﻿43.0154°N 88.5471°W﻿ / 43.0154; -88.5471﻿ (Dousman #1 (July 29, EF1) | 06:23–06:28 | 4.67 mi (7.52 km) | 150 yd (140 m) | Trees and tree branches were downed. One large tree fell on a house and other brought down power lines. |
| EF1 | N of Dousman | Waukesha | WI | 43°02′09″N 88°29′25″W﻿ / ﻿43.0358°N 88.4904°W﻿ / 43.0358; -88.4904﻿ (Dousman #2 (July 29, EF1) | 06:26–06:28 | 1.03 mi (1.66 km) | 75 yd (69 m) | The tornado struck a small lake where it sunk boats and flipped docks. Part of a dock was thrown 150 ft (46 m) into the second floor of a home, and additional trees and tree limbs were downed before the tornado dissipated. |
| EF0 | E of Wales | Waukesha | WI | 43°01′50″N 88°20′47″W﻿ / ﻿43.0306°N 88.3464°W﻿ / 43.0306; -88.3464﻿ (Wales (July 29, EF0) | 06:32–06:38 | 2.44 mi (3.93 km) | 50 yd (46 m) | Tree branches were snapped by this weak tornado. |
| EF1 | Southwestern Waukesha | Waukesha | WI | 42°59′06″N 88°18′28″W﻿ / ﻿42.985°N 88.3078°W﻿ / 42.985; -88.3078﻿ (Waukesha (July 29, EF1) | 06:38–06:42 | 0.88 mi (1.42 km) | 95 yd (87 m) | A brief tornado caused damage in a subdivision the southwest edge of Waukesha. Many trees were snapped or uprooted, and tree limbs were downed. |
| EF0 | NE of Cochranton | Crawford | PA | 41°35′02″N 79°57′48″W﻿ / ﻿41.5838°N 79.9634°W﻿ / 41.5838; -79.9634﻿ (Cochranton (July 29, EF0) | 16:40–16:41 | 0.57 mi (0.92 km) | 75 yd (69 m) | A brief tornado unroofed two barns, destroyed a garage and blew it into a field, toppled a chimney, and blew a semi-truck off a road. Numerous trees were downed and corn was flattened. |
| EF0 | Dempseytown | Venango | PA | 41°29′56″N 79°47′42″W﻿ / ﻿41.499°N 79.795°W﻿ / 41.499; -79.795﻿ (Dempseytown (July 29, EF0) | 16:55–16:56 | 0.27 mi (0.43 km) | 15 yd (14 m) | A dozen pine trees were snapped, and one hardwood tree was uprooted by this small and brief tornado. |
| EF1 | Saltlick Township | Fayette, Westmoreland | PA | 40°06′22″N 79°27′14″W﻿ / ﻿40.1061°N 79.454°W﻿ / 40.1061; -79.454﻿ (Saltlick Township (July 29, EF1) | 17:54–18:03 | 4.93 mi (7.93 km) | 100 yd (91 m) | Barns, garages, and outbuildings were damaged or destroyed by this tornado. Damage to roofs and trees occurred as well. |
| EF1 | Laurel Hill State Park | Somerset | PA | 40°00′36″N 79°14′12″W﻿ / ﻿40.0099°N 79.2367°W﻿ / 40.0099; -79.2367﻿ (Laurel Hill State Park (July 29, EF1) | 18:25–18:28 | 0.21 mi (0.34 km) | 65 yd (59 m) | Numerous trees were snapped or uprooted. Some trees fell onto conservation buildings, causing damage. |
| EF1 | SE of Stony Run to Weisenberg Township | Berks, Lehigh | PA | 40°36′40″N 75°48′25″W﻿ / ﻿40.611°N 75.807°W﻿ / 40.611; -75.807﻿ (Stony Run (July 29, EF1) | 20:04–20:09 | 2.9 mi (4.7 km) | 90 yd (82 m) | This tornado damaged and uprooted numerous trees, and caused roofing and crop damage along its path. |
| EF1 | Slatington | Lehigh | PA | 40°45′29″N 75°37′26″W﻿ / ﻿40.758°N 75.624°W﻿ / 40.758; -75.624﻿ (Slatington (July 29, EF1) | 20:25–20:29 | 1.15 mi (1.85 km) | 75 yd (69 m) | Several trees were snapped or uprooted as the tornado touched down at Northern Lehigh High School. The roof of a wooden dugout at the school's baseball field was torn off, and some metal bleachers were tossed. The tornado continued east to the Slatington Airport, where an airplane hangar door was blown out and a small plane was tossed. Tree damage was also observed at the airport before the tornado dissipated. |
| EF2 | New Athens | Harrison | OH | 40°11′N 81°01′W﻿ / ﻿40.19°N 81.01°W﻿ / 40.19; -81.01﻿ (New Athens (July 29, EF2) | 20:50–21:00 | 2.73 mi (4.39 km) | 220 yd (200 m) | This tornado caused considerable damage in and around New Athens, where a shed was completely swept away and destroyed with only the concrete foundation remaining. A few homes and other structures in town were damaged, including a house that lost much of its roof, with pieces of the roof being found as far as 1.4 mi (2.3 km) away in a field. Several power poles were snapped, wooden fence posts anchored in concrete were pulled out of the ground, and large trees were snapped or uprooted along the path. |
| EF2 | ENE of Carrollton to SW of Salineville | Carroll | OH | 40°37′37″N 80°59′42″W﻿ / ﻿40.627°N 80.995°W﻿ / 40.627; -80.995﻿ (Carrollton (July 29, EF2) | 20:59–21:11 | 6.16 mi (9.91 km) | 150 yd (140 m) | A strong tornado cut a path of severe tree damage through a large wooded area, and one hillside was completely deforested, with many large trees snapped or uprooted. A farm home sustained broken windows and a toppled chimney. Crops were damaged, and a metal shed was destroyed as well. |
| EF0 | Columbia | Howard | MD | 39°10′52″N 76°49′19″W﻿ / ﻿39.1811°N 76.8219°W﻿ / 39.1811; -76.8219﻿ (Columbia (July 29, EF0) | 21:07–21:08 | 0.29 mi (0.47 km) | 50 yd (46 m) | A brief tornado struck the Snowden Square shopping mall along Snowden River Parkway, where a BJ's store had a section of its wall facade removed, and shopping carts were lofted and thrown. Small trees and large branches were snapped as well. |
| EF1 | Western Bergholz | Jefferson | OH | 40°32′31″N 80°54′29″W﻿ / ﻿40.542°N 80.908°W﻿ / 40.542; -80.908﻿ (Bergholz (July 29, EF1) | 21:15–21:21 | 2.17 mi (3.49 km) | 300 yd (270 m) | This tornado downed numerous trees outside of town, and one house was damaged by falling trees and a power line. Numerous trees were snapped or uprooted in a small valley along the western fringes of Bergholz before the tornado dissipated. |
| EF0 | S of Macksburg | Washington | OH | 39°37′07″N 81°27′41″W﻿ / ﻿39.6187°N 81.4614°W﻿ / 39.6187; -81.4614﻿ (Macksburg (July 29, EF0) | 21:16–21:17 | 0.07 mi (0.11 km) | 55 yd (50 m) | A tree was uprooted and some tree limbs were downed by this brief tornado. |
| EF0 | E of Indiana | Indiana | PA | 40°37′01″N 79°05′46″W﻿ / ﻿40.617°N 79.096°W﻿ / 40.617; -79.096﻿ (Indiana (July 29, EF0) | 21:20–21:21 | 0.05 mi (0.080 km) | 10 yd (9.1 m) | A very small and brief tornado ripped sheet metal roofing from a barn and tossed the pieces downwind. Minor crop damage occurred, and a wooden 2x4 was thrown and punctured through the exterior wall of a metal shed. |
| EF0 | NE of New Holland | Pickaway | OH | 39°34′40″N 83°14′14″W﻿ / ﻿39.5778°N 83.2372°W﻿ / 39.5778; -83.2372﻿ (New Holland (July 29, EF0) | 21:20–21:22 | 0.86 mi (1.38 km) | 50 yd (46 m) | A large outbuilding was destroyed and a single story home sustained roof damage. Two barns were also destroyed. |
| EF0 | NW of Myerstown | Lebanon | PA | 40°25′46″N 76°21′08″W﻿ / ﻿40.4295°N 76.3523°W﻿ / 40.4295; -76.3523﻿ (Myerstown (July 29, EF0) | 21:34–21:38 | 0.74 mi (1.19 km) | 60 yd (55 m) | Trees were downed, a children's playset was blown over, a portable toilet was thrown 40 ft (12 m), a vehicle was moved a few feet, and crop damage occurred. |
| EF1 | N of Gardenville to SW of Mechanicsville | Bucks | PA | 40°23′35″N 75°06′22″W﻿ / ﻿40.393°N 75.106°W﻿ / 40.393; -75.106﻿ (Gardenville (July 29, EF1) | 21:40–21:45 | 2.69 mi (4.33 km) | 70 yd (64 m) | A barn was heavily damaged with some walls collapsed. Trees and crops were damaged along the path, and several greenhouses were damaged as well. |
| EF1 | Wintersville | Jefferson | OH | 40°22′19″N 80°44′35″W﻿ / ﻿40.372°N 80.743°W﻿ / 40.372; -80.743﻿ (Wintersville (July 29, EF1) | 21:45–21:52 | 2.31 mi (3.72 km) | 300 yd (270 m) | In Wintersville, one single-family home sustained destruction of its attached garage and had partial loss of its roof, while other homes sustained minor to moderate roof damage. Extensive tree and fence damage was also observed, and a wooden 2x4 was found lodged into the exterior wall of a church. Metal roofing and signs were damaged as well. One business, one church, and 23 homes were damaged in the Wintersville area. |
| EF0 | Verona | Essex | NJ | 40°49′16″N 74°14′45″W﻿ / ﻿40.8211°N 74.2459°W﻿ / 40.8211; -74.2459﻿ (Verona (July 29, EF0) | 21:54–21:57 | 0.35 mi (0.56 km) | 50 yd (46 m) | Several trees and large limbs were knocked down, with one home left severely damaged by a fallen tree. |
| EF2 | S of New Hope, PA to SE of Titusville, NJ | Bucks (PA), Hunterdon (NJ) Mercer (NJ) | PA, NJ | 40°20′42″N 74°56′53″W﻿ / ﻿40.345°N 74.948°W﻿ / 40.345; -74.948﻿ (New Hope (July 29, EF2) | 21:59–22:14 | 6.31 mi (10.15 km) | 400 yd (370 m) | Trees were damaged as the tornado first touched down just outside of New Hope, PA along the west bank of the Delaware River. After crossing the river into New Jersey, the tornado briefly entered and exited Hunterdon County. As it entered Mercer County, countless large trees downed as the tornado moved through wooded areas. Significant tree damage continued farther along the path as the tornado crossed Baldpate Mountain, with numerous large hardwood trees snapped or uprooted. Many additional trees were downed as the tornado moved through Washington Crossing State Park and Titusville, lifting just before it reached heavily populated areas near Trenton Mercer Airport. |
| EF1 | West Finley Township | Greene | PA | 39°57′43″N 80°30′58″W﻿ / ﻿39.962°N 80.516°W﻿ / 39.962; -80.516﻿ (West Finley (July 29, EF1) | 22:00–22:05 | 2.82 mi (4.54 km) | 200 yd (180 m) | Large trees were uprooted, small trees were snapped, and large branches were broken. |
| EF0 | Nanty-Glo | Cambria | PA | 40°28′49″N 78°50′18″W﻿ / ﻿40.4803°N 78.8383°W﻿ / 40.4803; -78.8383﻿ (Nanty-Glo (July 29, EF0) | 22:10–22:11 | 0.06 mi (0.097 km) | 15 yd (14 m) | A weak tornado briefly touched down at Blacklick Valley High School, where bleachers were displaced near the football field, a portable toilet was knocked over, and a few trees were snapped. |
| EF0 | ENE of Greenup | Cumberland | IL | 39°16′07″N 88°06′20″W﻿ / ﻿39.2687°N 88.1056°W﻿ / 39.2687; -88.1056﻿ (Greenup (July 29, EF0) | 22:40–22:43 | 0.52 mi (0.84 km) | 50 yd (46 m) | Trees, crops, and a small outbuilding were damaged. |
| EF1 | Windsor | Mercer | NJ | 40°14′13″N 74°35′06″W﻿ / ﻿40.237°N 74.585°W﻿ / 40.237; -74.585﻿ (Windsor (July 29, EF1) | 22:56–23:05 | 1.64 mi (2.64 km) | 100 yd (91 m) | A Montessori School in town had a portion of its roofing material torn off. Numerous trees were snapped or uprooted as well. |
| EF3 | Somerton to Bensalem | Philadelphia, Bucks | PA | 40°07′48″N 75°00′18″W﻿ / ﻿40.130°N 75.005°W﻿ / 40.130; -75.005﻿ (Bensalem/Trevose (July 29, EF3) | 23:04–23:12 | 3.4 mi (5.5 km) | 530 yd (480 m) | A rain-wrapped low-end EF3 tornado caused major damage in the northeastern suburbs of Philadelphia, with the most intense damage occurring in Trevose and Bensalem. Several car dealership buildings sustained severe structural damage, with loss of roofs and exterior walls, and one building that largely collapsed. Many vehicles were flipped, thrown, or damaged by flying debris, and a large HVAC unit was thrown 200 yd (180 m). A storage trailer near one of the dealerships was lofted and dropped into an adjacent mobile home park, where multiple mobile homes were damaged, and one was completely destroyed. Seven warehouse buildings were damaged at an industrial park, one significantly, and a small utility building lost its roof. Several site-built homes, a church, a hotel, Walmart, Home Depot, and Lowe's sustained minor damage as well. A large billboard, many trees, fences, signs, light and flag poles, and power lines were also downed along the path. Five people were injured. This was the first EF3 tornado in Bucks County since reliable records began in 1950, and the first EF3 tornado in Pennsylvania since July 14, 2004. |
| EF0 | Bustleton | Philadelphia | PA | 40°04′55″N 75°01′59″W﻿ / ﻿40.082°N 75.033°W﻿ / 40.082; -75.033﻿ (Bustleton (July 29, EF0) | 23:07–23:08 | 0.44 mi (0.71 km) | 40 yd (37 m) | A brief, weak tornado touched down in the Bustleton neighborhood of Northeast Philadelphia. An apartment complex and other buildings sustained minor roof and siding damage. One building had ceiling panels pulled downward, and insulation was removed from a car park area. Some trees were snapped as well. It is believed this was an anticyclonic tornado based on radar data. |
| EF1 | SE of Shelbyville to W of Waldron | Shelby | IN | 39°29′02″N 85°44′09″W﻿ / ﻿39.484°N 85.7357°W﻿ / 39.484; -85.7357﻿ (Shelbyville (July 29, EF1) | 23:58–00:04 | 2.50 mi (4.02 km) | 50 yd (46 m) | Numerous trees were damaged, support beams on a porch were damaged, a masonry wall was knocked down, and an antenna pole was snapped. |
| EF1 | S of Waldron | Shelby | IN | 39°25′35″N 85°40′42″W﻿ / ﻿39.4265°N 85.6784°W﻿ / 39.4265; -85.6784﻿ (Waldron (July 29, EF1) | 00:14–00:15 | 0.71 mi (1.14 km) | 50 yd (46 m) | The tornado caused a narrow path of considerable tree damage. It also impacted a cemetery, knocking over numerous gravestones in different directions. |
| EF1 | S of Palestine | Crawford | IL | 38°56′50″N 87°36′19″W﻿ / ﻿38.9471°N 87.6053°W﻿ / 38.9471; -87.6053﻿ (Palestine (July 29, EF1) | 00:20–00:22 | 0.39 mi (0.63 km) | 75 yd (69 m) | Power poles were left leaning with power lines down. Debris from a nearby building was found in the power lines. |
| EF1 | Woodland Township to Wells Mills County Park | Burlington, Ocean | NJ | 39°46′30″N 74°23′49″W﻿ / ﻿39.775°N 74.397°W﻿ / 39.775; -74.397﻿ (Woodland Township (July 29, EF1) | 00:42–00:51 | 6.52 mi (10.49 km) | 250 yd (230 m) | Many trees were snapped or uprooted near the Cedar Bridge Tavern Historic Site and Wells Mills County Park. |
| EF2 | Barnegat to Barnegat Light | Ocean | NJ | 39°45′14″N 74°11′28″W﻿ / ﻿39.754°N 74.191°W﻿ / 39.754; -74.191﻿ (Barnegat (July 29, EF2) | 01:03–01:13 | 4.2 mi (6.8 km) | 75 yd (69 m) | One building was damaged on the immediate western shore of Barnegat Bay as the tornado first developed. It moved over the bay as a waterspout. The waterspout became a tornado once again as it made landfall in High Bar Harbor, west of Barnegat Light. Multiple houses sustained partial to total roof loss, a car was moved, and some boats were flipped, moved, or damaged. Homes also had broken windows, siding stripped off, and damage to porches and sunrooms. A wooden 2x4 was speared through the exterior wall of one house, and a boat trailer was thrown 50 ft (15 m). Many trees and power poles were also snapped along the path. The tornado dissipated over a cove just west of Barnegat Light. 8 minor injuries were reported. |

### July 31 event

List of confirmed tornadoes – Saturday, July 31, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | NE of Farmington | St. Francois | MO | 37°49′N 90°24′W﻿ / ﻿37.82°N 90.40°W﻿ / 37.82; -90.40﻿ (Farmington (July 31, EF0) | 15:50–15:53 | 0.88 mi (1.42 km) | 120 yd (110 m) | Two homes suffered roof and fascia damage, a well-built swing set was destroyed with parts thrown into a pond, and a well-built vinyl fence was destroyed. Large trees were uprooted and tree limbs were downed. |

## August

Confirmed tornadoes by Enhanced Fujita rating :
| EFU | EF0 | EF1 | EF2 | EF3 | EF4 | EF5 | Total |
| 30 | 80 | 37 | 1 | 1 | 0 | 0 | 149 |

### August 1 event

List of confirmed tornadoes – Sunday, August 1, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | S of Corolla | Currituck | NC | 36°17′42″N 75°48′34″W﻿ / ﻿36.2951°N 75.8094°W﻿ / 36.2951; -75.8094﻿ (Corolla (August 1, EF0)) | 16:14–16:18 | 0.52 mi (0.84 km) | 100 yd (91 m) | A house lost shingles, several large trees were knocked down, and tree limbs were snapped. |

### August 2 event

List of confirmed tornadoes – Monday, August 2, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | N of New Smyrna Beach | Volusia | FL | 29°04′42″N 80°57′17″W﻿ / ﻿29.0782°N 80.9548°W﻿ / 29.0782; -80.9548﻿ (New Smyrna Beach (August 2, EF0)) | 18:40–18:41 | 0.5 mi (0.80 km) | 25 yd (23 m) | A couple of small trees were knocked down and medium to large-sized tree branches were snapped. The tornado became a waterspout as it moved over the Intracoastal Waterway before dissipating. |
| EF0 | N of Bolivar Peninsula | Galveston | TX | 29°31′23″N 94°34′20″W﻿ / ﻿29.5231°N 94.5721°W﻿ / 29.5231; -94.5721﻿ (Bolivar Peninsula (August 2, EF0)) | 23:35–23:36 | 0.72 mi (1.16 km) | 20 yd (18 m) | A brief waterspout moved onshore, causing no damage. |

### August 7 event

List of confirmed tornadoes – Saturday, August 7, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | NW of Boykins | Southampton | VA | 36°35′31″N 77°13′37″W﻿ / ﻿36.592°N 77.227°W﻿ / 36.592; -77.227﻿ (Boykins (August 7, EF0)) | 17:47–17:49 | 1.39 mi (2.24 km) | 25 yd (23 m) | A weak tornado snapped one tree, downed several small pine trees, and snapped tree limbs. |
| EF3 | SW of Boscobel to NNW of Castle Rock | Grant | WI | 43°07′50″N 90°43′12″W﻿ / ﻿43.1305°N 90.7199°W﻿ / 43.1305; -90.7199﻿ (Boscobel (August 7, EF3)) | 21:29–21:56 | 9.38 mi (15.10 km) | 1,100 yd (1,000 m) | The tornado first moved through the southern fringes of Boscobel, where an RV camper was destroyed, trees and power lines were downed, and a metal warehouse building and a few other structures sustained minor to moderate roof damage. The tornado widened and intensified dramatically as it exited town, damaging or destroying multiple homes east-southeast of Boscobel. Some homes sustained loss of roofs and exterior walls, and the most intense damage was noted at a well-built two story home that had its entire top floor blown away and obliterated, with a large portion of the first floor completely destroyed as well. Damage to this home was classified as high-end EF3. Several barns and outbuildings were destroyed, debris was strewn through fields, and power poles were snapped as well. Numerous trees were snapped, denuded, and stripped of foliage along the path. |
| EF1 | N of Highland | Iowa | WI | 43°04′48″N 90°23′37″W﻿ / ﻿43.0799°N 90.3937°W﻿ / 43.0799; -90.3937﻿ (Highland (August 7, EF1)) | 22:09–22:24 | 7.72 mi (12.42 km) | 50 yd (46 m) | Two barns and some trees were damaged. |

### August 8 event

List of confirmed tornadoes – Sunday, August 8, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF1 | SW of Coloma | Waushara | WI | 43°58′59″N 89°33′16″W﻿ / ﻿43.983°N 89.5544°W﻿ / 43.983; -89.5544﻿ (Coloma (August 8, EF1)) | 20:52–20:58 | 3.48 mi (5.60 km) | 350 yd (320 m) | One house lost its porch roof, one sustained minor shingle damage, and another had broken windows. A barn door was blown in. Trees were uprooted and snapped. |
| EFU | NW of Ocheyedan | Osceola | IA | 43°27′14″N 95°34′59″W﻿ / ﻿43.454°N 95.583°W﻿ / 43.454; -95.583﻿ (Ocheyedan (August 8, EFU)) | 21:36–21:38 | 0.79 mi (1.27 km) | 40 yd (37 m) | This tornado was confirmed based on Sentinel-2 satellite imagery. No damage was found. |
| EF0 | Ocheyedan | Osceola | IA | 43°24′54″N 95°32′46″W﻿ / ﻿43.415°N 95.546°W﻿ / 43.415; -95.546﻿ (Ocheyedan (August 8, EF0)) | 21:47–21:52 | 2.42 mi (3.89 km) | 50 yd (46 m) | A small portion of the roof of a chicken barn was damaged. Some trees were damaged. |
| EF0 | NW of Qulin | Butler | MO | 36°38′24″N 90°18′07″W﻿ / ﻿36.64°N 90.302°W﻿ / 36.64; -90.302﻿ (Qulin (August 8, EF0)) | 00:14–00:15 | 0.11 mi (0.18 km) | 50 yd (46 m) | A brief tornado damaged a residence. A porch roof covering was lifted over the residence, and trees were snapped. |
| EFU | NW of Varina | Buena Vista | IA | 42°41′53″N 94°55′23″W﻿ / ﻿42.698°N 94.923°W﻿ / 42.698; -94.923﻿ (Varina (August 8, EFU)) | 01:12–01:13 | 0.31 mi (0.50 km) | 20 yd (18 m) | This tornado was confirmed based on Sentinel-2 satellite imagery. No damage was found. |
| EFU | ESE of Moorland | Webster | IA | 42°25′45″N 94°16′06″W﻿ / ﻿42.4292°N 94.2684°W﻿ / 42.4292; -94.2684﻿ (Moorland (August 8, EFU)) | 04:00–04:06 | 1.65 mi (2.66 km) | 150 yd (140 m) | This tornado was confirmed based on Sentinel-2 satellite imagery. No damage was found. |
| EFU | SW of Otho | Webster | IA | 42°23′04″N 94°10′46″W﻿ / ﻿42.3844°N 94.1794°W﻿ / 42.3844; -94.1794﻿ (Otho (August 8, EFU)) | 04:19–04:25 | 1.7 mi (2.7 km) | 150 yd (140 m) | This tornado was confirmed based on Sentinel-2 satellite imagery. No damage was found. |
| EFU | NNW of Harcourt | Webster | IA | 42°18′54″N 94°12′15″W﻿ / ﻿42.3149°N 94.2042°W﻿ / 42.3149; -94.2042﻿ (Harcourt #1 (August 8, EFU)) | 04:47–04:54 | 1.86 mi (2.99 km) | 160 yd (150 m) | This tornado was confirmed based on Sentinel-2 satellite imagery. No damage was found. |

### August 9 event

List of confirmed tornadoes – Monday, August 9, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EFU | NE of Harcourt | Webster | IA | 42°17′16″N 94°08′40″W﻿ / ﻿42.2877°N 94.1444°W﻿ / 42.2877; -94.1444﻿ (Harcourt #2 (August 8, EFU)) | 05:02–05:06 | 1.36 mi (2.19 km) | 40 yd (37 m) | This tornado was confirmed based on Sentinel-2 satellite imagery. No damage was found. |
| EFU | ENE of Harcourt | Webster | IA | 42°16′26″N 94°08′03″W﻿ / ﻿42.274°N 94.1342°W﻿ / 42.274; -94.1342﻿ (Harcourt #3 (August 8, EFU)) | 05:06–05:07 | 0.49 mi (0.79 km) | 15 yd (14 m) | This tornado was confirmed based on Sentinel-2 satellite imagery. No damage was found. |
| EF0 | NW of Clinton | Rock | WI | 42°33′28″N 88°54′33″W﻿ / ﻿42.5579°N 88.9093°W﻿ / 42.5579; -88.9093﻿ (Clinton (August 9, EF0)) | 19:52–20:06 | 3.24 mi (5.21 km) | 25 yd (23 m) | A brief tornado caused minor tree damage. |
| EF0 | N of Esmond | DeKalb | IL | 42°03′14″N 88°56′18″W﻿ / ﻿42.0538°N 88.9383°W﻿ / 42.0538; -88.9383﻿ (Esmond (August 9, EF0)) | 21:35–21:36 | 0.1 mi (0.16 km) | 20 yd (18 m) | A brief, weak tornado damaged the roof of an outbuilding. |
| EF1 | S of Kirkland | DeKalb | IL | 42°03′46″N 88°52′27″W﻿ / ﻿42.0628°N 88.8742°W﻿ / 42.0628; -88.8742﻿ (Kirkland (August 9, EF1)) | 21:44–21:47 | 1.8 mi (2.9 km) | 80 yd (73 m) | This brief tornado heavily damaged a barn at a farm and damaged crops. |
| EF1 | Northern McHenry | McHenry | IL | 42°21′44″N 88°16′43″W﻿ / ﻿42.3622°N 88.2786°W﻿ / 42.3622; -88.2786﻿ (McCullom Lake (August 9, EF1)) | 21:45–21:46 | 0.4 mi (0.64 km) | 70 yd (64 m) | This tornado briefly touched down in the northern part of McHenry, where a townhouse complex sustained partial roof loss. A barn and ground marker were damaged at the historic Colby-Petersen Farm, and a few other structures sustained damage to their siding and porches. |
| EF1 | S of Burlington | Kane | IL | 42°02′50″N 88°35′26″W﻿ / ﻿42.0472°N 88.5905°W﻿ / 42.0472; -88.5905﻿ (Burlington (August 9, EF1)) | 22:24–22:39 | 3.8 mi (6.1 km) | 100 yd (91 m) | A house was damaged and had its garage door blown in, trees were downed, crops were damaged, and a large outbuilding was damaged as well. |
| EF0 | NE of Hillcrest to N of Malta | Ogle, DeKalb | IL | 42°00′09″N 89°00′10″W﻿ / ﻿42.0024°N 89.0029°W﻿ / 42.0024; -89.0029﻿ (Creston (August 9, EF0)) | 22:28–22:47 | 6.8 mi (10.9 km) | 50 yd (46 m) | A couple of outbuildings were damaged or destroyed, and vegetation was damaged. |
| EFU | N of Paw Paw | Lee | IL | 41°42′24″N 89°00′18″W﻿ / ﻿41.7068°N 89.0050°W﻿ / 41.7068; -89.0050﻿ (Paw Paw (August 9, EFU)) | 23:03–23:08 | 1.3 mi (2.1 km) | 75 yd (69 m) | This tornado caused crop damage in a corn field. |
| EFU | SE of Van Orin | Bureau | IL | 41°32′N 89°20′W﻿ / ﻿41.53°N 89.34°W﻿ / 41.53; -89.34﻿ (Van Orin (August 9, EFU)) | 23:13–23:14 | 0.01 mi (0.016 km) | 5 yd (4.6 m) | A tornado briefly touched down in a field. No damage was reported. |
| EF1 | SE of Sycamore | DeKalb | IL | 41°57′44″N 88°40′14″W﻿ / ﻿41.9623°N 88.6706°W﻿ / 41.9623; -88.6706﻿ (Sycamore (August 9, EF1)) | 23:13–23:18 | 1.5 mi (2.4 km) | 150 yd (140 m) | This photogenic cone tornado was caught on video by numerous storm chasers. Multiple farms were struck by the tornado, with many outbuildings being damaged or completely destroyed. Numerous trees were snapped, and homes sustained roof damage and shattered windows. |
| EF0 | ESE of Sycamore | DeKalb | IL | 41°57′09″N 88°36′15″W﻿ / ﻿41.9526°N 88.6043°W﻿ / 41.9526; -88.6043﻿ (Sycamore (August 9, EF0)) | 23:26–23:37 | 0.2 mi (0.32 km) | 20 yd (18 m) | A brief tornado caused minor tree damage. |
| EF0 | ESE of Sycamore to S of Virgil | Kane | IL | 41°57′03″N 88°35′46″W﻿ / ﻿41.9507°N 88.5961°W﻿ / 41.9507; -88.5961﻿ (Sycamore (August 9, EF0)) | 23:28–23:37 | 3.9 mi (6.3 km) | 400 yd (370 m) | This tornado impacted several farms, damaging or destroying outbuildings and silos. A house sustained minor roof damage, and a storage trailer was flipped onto its side. Crops and trees were damaged as well. |
| EFU | SE of Virgil | Kane | IL | 41°56′40″N 88°30′21″W﻿ / ﻿41.9444°N 88.5059°W﻿ / 41.9444; -88.5059﻿ (Virgil (August 9, EFU)) | 23:38–23:39 | 0.1 mi (0.16 km) | 10 yd (9.1 m) | This brief tornado caused no damage. |
| EF1 | NE of Zearing to W of Arlington | Bureau | IL | 41°28′N 89°18′W﻿ / ﻿41.47°N 89.3°W﻿ / 41.47; -89.3﻿ (Zearing (August 9, EF1)) | 23:57–00:15 | 3.0 mi (4.8 km) | 525 yd (480 m) | Four farmsteads were damaged by this tornado. Three sheds and a well-built outbuilding were destroyed, trees were snapped, and corn and soybean crops were damaged. |
| EF1 | W of Starkweather | Towner, Ramsey | ND | 48°27′00″N 98°59′24″W﻿ / ﻿48.4500°N 98.9900°W﻿ / 48.4500; -98.9900﻿ (Starkweather (August 9, EF1)) | 00:16–00:23 | 4.97 mi (8.00 km) | 200 yd (180 m) | Several large cottonwood trees were snapped. |
| EFU | NE of Wyanet to NW of Princeton | Bureau | IL | 41°25′N 89°33′W﻿ / ﻿41.41°N 89.55°W﻿ / 41.41; -89.55﻿ (Wyanet (August 9, EFU)) | 00:24–00:26 | 1.11 mi (1.79 km) | 100 yd (91 m) | Corn and soybean crops were damaged. |
| EF0 | E of Binford | Griggs | ND | 47°33′36″N 98°16′48″W﻿ / ﻿47.5600°N 98.2800°W﻿ / 47.5600; -98.2800﻿ (Binford (August 9, EF0)) | 01:34–01:35 | 0.26 mi (0.42 km) | 50 yd (46 m) | A brief tornado was caught on video. No damage occurred as the tornado remained over an open field. |
| EF2 | NNE of Sharon | Steele | ND | 47°40′12″N 97°52′12″W﻿ / ﻿47.6700°N 97.8700°W﻿ / 47.6700; -97.8700﻿ (Sharon (August 9, EF2)) | 02:20–02:28 | 2.88 mi (4.63 km) | 300 yd (270 m) | A barn was completely destroyed at a farmstead, and numerous hardwood trees were snapped or uprooted along the path. |
| EF1 | WNW of Northwood | Grand Forks | ND | 47°45′36″N 97°40′12″W﻿ / ﻿47.7600°N 97.6700°W﻿ / 47.7600; -97.6700﻿ (Northwood (August 9, EF1)) | 02:42–02:43 | 1.09 mi (1.75 km) | 150 yd (140 m) | A few cottonwood trees were snapped or uprooted. |
| EF1 | SE of Davidson | Polk | MN | 47°52′N 96°51′W﻿ / ﻿47.86°N 96.85°W﻿ / 47.86; -96.85﻿ (Davidson (August 9, EF1)) | 03:55–04:01 | 3.65 mi (5.87 km) | 200 yd (180 m) | Two walls and the roof of a pole shed were torn off. Steel siding and roofing of several farm buildings were peeled at a farmstead. Some debris was thrown up to 500 yd (460 m) to the east and southeast. Roof trim, shingles, and siding was damaged at three other farmsteads. Several trees were snapped. |
| EF0 | SE of Key West | Polk | MN | 47°53′N 96°44′W﻿ / ﻿47.89°N 96.73°W﻿ / 47.89; -96.73﻿ (Key West (August 9, EF0)) | 04:05–04:09 | 2.24 mi (3.60 km) | 150 yd (140 m) | The tops of several trees were snapped. A power pole was cracked near its base. |

### August 10 event

List of confirmed tornadoes – Tuesday, August 10, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | SE of Jetmore | Hodgeman | KS | 38°00′53″N 99°45′15″W﻿ / ﻿38.0146°N 99.7541°W﻿ / 38.0146; -99.7541﻿ (Jetmore (August 10, EF0)) | 21:43–21:48 | 0.22 mi (0.35 km) | 50 yd (46 m) | A landspout tornado was observed by law enforcement. No damage was found. |
| EF0 | WNW of Odessa | Pasco | FL | 28°13′N 82°37′W﻿ / ﻿28.21°N 82.62°W﻿ / 28.21; -82.62﻿ (Odessa (August 10, EF0)) | 21:50 | 0.1 mi (0.16 km) | 25 yd (23 m) | Multiple-vortex tornado collapsed a pool enclosure attached to a home. Light roof damage was also observed. |
| EF1 | SE of Leeman to SSW of Nichols | Outagamie | WI | 44°32′18″N 88°31′47″W﻿ / ﻿44.5383°N 88.5296°W﻿ / 44.5383; -88.5296﻿ (Nichols(August 10, EF1)) | 22:58–23:11 | 2.05 mi (3.30 km) | 40 yd (37 m) | A home suffered roof and siding damage, a car was flipped, and a 6,500 lb (2,900 kg) trailer was moved 20 feet (6 m). |
| EFU | NNE of Esmond | DeKalb | IL | 42°02′22″N 88°55′58″W﻿ / ﻿42.0394°N 88.9328°W﻿ / 42.0394; -88.9328﻿ (Esmond (August 10, EFU)) | 23:33–23:34 | 0.6 mi (0.97 km) | 20 yd (18 m) | This tornado was confirmed based on high resolution satellite imagery. No damage was found. |

### August 11 event

List of confirmed tornadoes – Wednesday, August 11, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF1 | Fayette | Fulton | OH | 41°39′59″N 84°19′42″W﻿ / ﻿41.6664°N 84.3284°W﻿ / 41.6664; -84.3284﻿ (Fayette (August 11, EF1)) | 18:40–18:42 | 0.21 mi (0.34 km) | 70 yd (64 m) | Homes in town sustained roof, gutter, and window damage. Pieces of sheet metal were torn from the roof of one home and thrown 200 yd (180 m), damaging the roof of a school. Many trees and tree limbs were snapped, and one tree branch was thrown into a house, causing significant damage to a balcony. A large metal shipping container was shifted 2 ft (0.61 m) as well. |
| EF1 | N of Norwalk | Monroe | WI | 43°51′22″N 90°38′29″W﻿ / ﻿43.8562°N 90.6415°W﻿ / 43.8562; -90.6415﻿ (Norwalk (August 11, EF1)) | 18:45–18:59 | 5.91 mi (9.51 km) | 80 yd (73 m) | A barn was destroyed and hardwood trees were snapped near the start of the path. Much of the path consisted only of sporadic tree and crop damage. |
| EF1 | N of Wilton | Monroe | WI | 43°51′39″N 90°30′40″W﻿ / ﻿43.8608°N 90.5112°W﻿ / 43.8608; -90.5112﻿ (Wilton (August 11, EF1)) | 18:55–19:02 | 2.77 mi (4.46 km) | 75 yd (69 m) | Intermittent crop and tree damage was found using satellite imagery. |
| EFU | WSW of Middle Point | Van Wert | OH | 40°50′26″N 84°30′15″W﻿ / ﻿40.8405°N 84.5042°W﻿ / 40.8405; -84.5042﻿ (Middle Point(August 11, EFU)) | 18:49–18:52 | 1.97 mi (3.17 km) | 30 yd (27 m) | The tornado moved through open fields, with damage limited to crops. |
| EFU | E of Venedocia to ENE of Southworth | Van Wert, Allen | OH | 40°46′30″N 84°24′44″W﻿ / ﻿40.7749°N 84.4121°W﻿ / 40.7749; -84.4121﻿ (Venedocia (August 11, EFU)) | 19:00–19:09 | 4.66 mi (7.50 km) | 50 yd (46 m) | Damage was limited to crops. |
| EF0 | S of Angelica | Shawano | WI | 44°39′34″N 88°18′45″W﻿ / ﻿44.6594°N 88.3125°W﻿ / 44.6594; -88.3125﻿ (Angelica (August 11, EF0)) | 19:08–19:09 | 0.37 mi (0.60 km) | 41 yd (37 m) | A brief tornado was captured in pictures and video. Outbuildings were damaged and trees were downed. |
| EF0 | Pulaski | Brown, Oconto | WI | 44°40′30″N 88°14′42″W﻿ / ﻿44.6749°N 88.245°W﻿ / 44.6749; -88.245﻿ (Pulaski (August 11, EF0)) | 19:14–19:22 | 2.27 mi (3.65 km) | 75 yd (69 m) | This weak tornado downed trees and power lines in Pulaski. |
| EF0 | SSW of Epworth | Dubuque | IA | 42°24′N 90°58′W﻿ / ﻿42.4°N 90.96°W﻿ / 42.4; -90.96﻿ (Epworth (August 11, EF0)) | 22:40–22:43 | 0.6 mi (0.97 km) | 20 yd (18 m) | The tornado moved through cornfields and a section of timber. Tree limbs were damaged and the top of one tree was broken. |
| EF0 | SSW of Linden | Iowa | WI | 42°53′54″N 90°17′25″W﻿ / ﻿42.8982°N 90.2904°W﻿ / 42.8982; -90.2904﻿ (Linden (August 11, EF0)) | 23:08–23:09 | 0.12 mi (0.19 km) | 25 yd (23 m) | Minor crop damage occurred in a field with a clear convergent pattern. |
| EF0 | ENE of Mineral Point | Iowa | WI | 42°52′29″N 90°06′46″W﻿ / ﻿42.8748°N 90.1129°W﻿ / 42.8748; -90.1129﻿ (Mineral Point (August 11, EF0)) | 23:12–23:14 | 1 mi (1.6 km) | 25 yd (23 m) | Minor crop damage occurred in a field with a clear convergent pattern. |
| EF0 | W of Dorr | Allegan | MI | 42°44′15″N 85°48′15″W﻿ / ﻿42.7375°N 85.8041°W﻿ / 42.7375; -85.8041﻿ (Dorr (August 11, EF0)) | 01:01–01:05 | 2.82 mi (4.54 km) | 100 yd (91 m) | An outbuilding was destroyed with metal debris scattered. Other structures sustained minor roof damage. Trees were damaged. |

### August 12 event

List of confirmed tornadoes – Thursday, August 12, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | SW of Cypress | Harris | TX | 29°55′19″N 95°43′41″W﻿ / ﻿29.922°N 95.7281°W﻿ / 29.922; -95.7281﻿ (Cypress (August 12, EF0)) | 21:32–21:34 | 0.25 mi (0.40 km) | 10 yd (9.1 m) | A brief landspout tornado downed five power poles. |

### August 13 event

List of confirmed tornadoes – Friday, August 13, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | SW of Spring Creek | Elko | NV | 40°40′N 115°40′W﻿ / ﻿40.67°N 115.67°W﻿ / 40.67; -115.67﻿ (Spring Creek (August 13, EF0)) | 00:15 | 0.1 mi (0.16 km) | 15 yd (14 m) | A very brief landspout tornado lasted for 10 seconds causing no damage. |

### August 17 event

Events were associated with Tropical Storm Fred.
List of confirmed tornadoes – Tuesday, August 17, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF1 | Americus | Sumter | GA | 32°04′39″N 84°12′31″W﻿ / ﻿32.0775°N 84.2087°W﻿ / 32.0775; -84.2087﻿ (Americus (August 17, EF1)) | 05:25–05:27 | 1.23 mi (1.98 km) | 325 yd (297 m) | Some homes in town lost shingles. Many trees were snapped or uprooted, with some falling onto homes causing damage. |
| EF0 | WSW of Rocky Mount to SW of Lone Oak | Meriwether | GA | 33°09′08″N 84°43′04″W﻿ / ﻿33.1523°N 84.7178°W﻿ / 33.1523; -84.7178﻿ (Rocky Mount (August 17, EF0)) | 08:34–08:39 | 3.36 mi (5.41 km) | 150 yd (140 m) | Trees were downed. |
| EF0 | NE of District Path | Twiggs | GA | 32°36′44″N 83°21′39″W﻿ / ﻿32.6123°N 83.3609°W﻿ / 32.6123; -83.3609﻿ (District Path (August 17, EF0)) | 09:47–09:53 | 2.6 mi (4.2 km) | 150 yd (140 m) | Boats were flipped, a retail building sustained minor roof damage, and the wall of a small pump station collapsed. Trees were downed. |
| EF1 | N of Carey to NNE of Greshamville | Greene | GA | 33°34′57″N 83°15′19″W﻿ / ﻿33.5824°N 83.2554°W﻿ / 33.5824; -83.2554﻿ (Carey (August 17, EF1)) | 10:24–10:32 | 5.6 mi (9.0 km) | 100 yd (91 m) | Many homes sustained minor damage, including one with blown-out windows, and a few suffered significant damage from falling trees. Boathouses, outbuildings, and sheds were destroyed. Numerous trees and tree limbs were downed. |
| EF0 | ENE of Greenberry Crossroads to SW of Coopers | Baldwin, Jones | GA | 32°56′34″N 83°21′08″W﻿ / ﻿32.9429°N 83.3521°W﻿ / 32.9429; -83.3521﻿ (Greenberry Crossroads (August 17, EF0)) | 10:27–10:31 | 1.86 mi (2.99 km) | 150 yd (140 m) | Trees were uprooted and snapped. |
| EF1 | WNW of Danielsville to W of Ila | Madison | GA | 34°08′19″N 83°15′55″W﻿ / ﻿34.1387°N 83.2653°W﻿ / 34.1387; -83.2653﻿ (Danielsville (August 17, EF1)) | 12:20–12:29 | 5.94 mi (9.56 km) | 150 yd (140 m) | Several houses were damaged; one lost part of its roof and another was damaged by a large tree. Two barns were destroyed, a large camper was flipped, and several outbuildings were damaged. Numerous trees were uprooted and snapped. |
| EF1 | E of Homer to SW of Pinefield Crossroads | Banks | GA | 34°19′59″N 83°24′58″W﻿ / ﻿34.333°N 83.4161°W﻿ / 34.333; -83.4161﻿ (Homer (August 17, EF1)) | 14:24–14:31 | 5.69 mi (9.16 km) | 100 yd (91 m) | A small trailer was thrown 30 yd (27 m). Several trees were snapped or uprooted. One home was nearly crushed by a fallen tree. |
| EF1 | S of Scotts to W of Stony Point | Iredell, Alexander | NC | 35°48′14″N 81°01′19″W﻿ / ﻿35.804°N 81.022°W﻿ / 35.804; -81.022﻿ (Stony Point (August 17, EF1)) | 15:15–15:25 | 5.09 mi (8.19 km) | 200 yd (180 m) | Damage was mostly limited to uprooted hardwood and snapped softwood trees. A couple homes sustained very minor damage. |
| EF0 | WSW of Six Mile | Oconee | SC | 34°47′49″N 82°55′41″W﻿ / ﻿34.797°N 82.928°W﻿ / 34.797; -82.928﻿ (Six Mile (August 17, EF0)) | 16:50 | 0.14 mi (0.23 km) | 50 yd (46 m) | A brief tornado uprooted trees, one of which fell on a home. |
| EF0 | SE of Osbornville | Wilkes | NC | 36°04′01″N 80°52′59″W﻿ / ﻿36.0669°N 80.8831°W﻿ / 36.0669; -80.8831﻿ (Osbornville (August 17, EF0)) | 16:54–16:56 | 0.74 mi (1.19 km) | 40 yd (37 m) | One home sustained minor roof and siding damage. Multiple trees were snapped or uprooted. |
| EF0 | NNE of Sandy Springs | Anderson | SC | 34°37′16″N 82°43′30″W﻿ / ﻿34.621°N 82.725°W﻿ / 34.621; -82.725﻿ (Sandy Springs (August 17, EF0)) | 16:59 | 0.15 mi (0.24 km) | 50 yd (46 m) | A brief tornado uprooted trees. |
| EF1 | WNW of Murphy's Estates | Edgefield | SC | 33°37′33″N 82°00′35″W﻿ / ﻿33.6259°N 82.0096°W﻿ / 33.6259; -82.0096﻿ (Murphys Estates (August 17, EF0)) | 17:03–17:07 | 1.51 mi (2.43 km) | 100 yd (91 m) | A small shed was destroyed and trees were uprooted and snapped. |
| EF0 | Clingman | Wilkes | NC | 36°10′21″N 80°55′40″W﻿ / ﻿36.1725°N 80.9278°W﻿ / 36.1725; -80.9278﻿ (Clingman (August 17, EF0)) | 17:11–17:13 | 0.68 mi (1.09 km) | 75 yd (69 m) | An outbuilding collapsed, and a chicken coop and two homes were damaged. Trees were snapped or uprooted. |
| EF0 | E of Mountain City | Rabun | GA | 34°53′53″N 83°16′55″W﻿ / ﻿34.898°N 83.282°W﻿ / 34.898; -83.282﻿ (Mountain City (August 17, EF0)) | 18:34 | 0.02 mi (0.032 km) | 25 yd (23 m) | Trees and tree limbs were downed. The path was likely longer, but it extended into rough terrain and private property that could not be surveyed. |
| EF1 | Mauldin | Greenville | SC | 34°45′54″N 82°18′00″W﻿ / ﻿34.765°N 82.3°W﻿ / 34.765; -82.3﻿ (Mauldin (August 17, EF1)) | 18:53–18:57 | 2.4 mi (3.9 km) | 75 yd (69 m) | Multiple trees were snapped or uprooted in Mauldin, and some minor damage to roofs and siding occurred. |
| EF1 | WNW of Summit to WSW of Chapin | Lexington, Newberry | SC | 33°57′03″N 81°28′11″W﻿ / ﻿33.9508°N 81.4697°W﻿ / 33.9508; -81.4697﻿ (Summit (August 17, EF0)) | 19:31–19:57 | 14.26 mi (22.95 km) | 250 yd (230 m) | The tornado initially produced minor tree damage. It then crossed Lake Murray and uprooted and snapped more trees. Several fell on and damaged homes, a boat house, and two boats. This tornado occurred at the same time as the Leesville tornado to the west. |
| EF0 | N of Leesville | Lexington, Saluda | SC | 33°58′17″N 81°29′50″W﻿ / ﻿33.9713°N 81.4971°W﻿ / 33.9713; -81.4971﻿ (Leesville(August 17, EF0)) | 19:33–19:43 | 4.32 mi (6.95 km) | 50 yd (46 m) | The tornado caused sporadic, mostly minor tree damage. This tornado occurred at the same time as the Summit tornado to the east. |
| EF1 | NNW of Brookdale | Orangeburg | SC | 33°35′24″N 80°52′20″W﻿ / ﻿33.59°N 80.8721°W﻿ / 33.59; -80.8721﻿ (Brookdale (August 17, EF1)) | 21:40–21:43 | 0.90 mi (1.45 km) | 50 yd (46 m) | A church sustained minor roof damage and fences were damaged by tornadic winds and falling tree limbs. Trees were uprooted and snapped and tree limbs were broken. |
| EF0 | SE of Fountain Inn | Laurens | SC | 34°39′25″N 82°10′05″W﻿ / ﻿34.657°N 82.168°W﻿ / 34.657; -82.168﻿ (Fountain Inn #2 (August 17, EF0)) | 22:07 | 0.20 mi (0.32 km) | 30 yd (27 m) | A small tornado touched down and was caught on video. No damage could be found. |
| EF1 | NE of Fountain Inn | Laurens | SC | 34°43′41″N 82°08′38″W﻿ / ﻿34.728°N 82.144°W﻿ / 34.728; -82.144﻿ (Fountain Inn #1 (August 17, EF1)) | 22:18–22:21 | 1.4 mi (2.3 km) | 75 yd (69 m) | A shed was destroyed and a home received minor roof damage. Multiple trees were snapped or uprooted. One tree fell onto a home, damaging it. |
| EF0 | NNW of Batesburg | Saluda | SC | 33°58′40″N 81°34′56″W﻿ / ﻿33.9777°N 81.5821°W﻿ / 33.9777; -81.5821﻿ (Batesburg(August 17, EF0)) | 00:47–00:48 | 0.11 mi (0.18 km) | 25 yd (23 m) | A very weak, brief tornado snapped a couple trees. |

### August 18 event

Event was associated with Tropical Storm Fred.
List of confirmed tornadoes – Wednesday, August 18, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | Valley View | Schuylkill | PA | 40°38′51″N 76°31′59″W﻿ / ﻿40.6474°N 76.5331°W﻿ / 40.6474; -76.5331﻿ (Valley View (August 18, EF0)) | 16:46–16:47 | 0.13 mi (0.21 km) | 10 yd (9.1 m) | A very weak, brief tornado caused minor roof damage to a few homes in town and downed a few apple trees in an orchard. |
| EF0 | N of Hampton | Adams | PA | 39°56′21″N 77°03′43″W﻿ / ﻿39.9391°N 77.0619°W﻿ / 39.9391; -77.0619﻿ (Hampton (August 18, EF0)) | 19:16–19:18 | 0.62 mi (1.00 km) | 75 yd (69 m) | Some trees were downed and large tree branches were snapped. Some corn crops were damaged. |
| EF0 | NE of Middleburg | Snyder | PA | 40°47′53″N 76°59′28″W﻿ / ﻿40.798°N 76.991°W﻿ / 40.798; -76.991﻿ (Middleburg (August 18, EF0)) | 20:35–20:36 | 0.45 mi (0.72 km) | 15 yd (14 m) | An intermittent tornado caused minor roof damage to a house and garage, flipped a horse trailer, and toppled a tree over onto a fence. Some additional trees were damaged and corn was damaged in a convergent pattern. |
| EF1 | SE of Halifax | Dauphin | PA | 40°27′02″N 76°54′27″W﻿ / ﻿40.4506°N 76.9074°W﻿ / 40.4506; -76.9074﻿ (Halifax (August 18, EF1)) | 22:31–22:37 | 5.54 mi (8.92 km) | 150 yd (140 m) | A barn lost a section of its roof, trees were uprooted and snapped, and a small amount of wheat was flattened. |
| EF0 | North Hopewell Township | York | PA | 39°51′22″N 76°37′37″W﻿ / ﻿39.856°N 76.627°W﻿ / 39.856; -76.627﻿ (North Hopewell Twp (August 18, EF0)) | 00:35–00:37 | 0.68 mi (1.09 km) | 125 yd (114 m) | Two homes sustained minor damage and a wooden swing set was damaged. Trees were uprooted, snapped, and had their tops sheared off. |
| EF1 | Tilden Township | Berks | PA | 40°31′30″N 76°00′04″W﻿ / ﻿40.525°N 76.001°W﻿ / 40.525; -76.001﻿ (Tilden Twp (August 18, EF1)) | 01:15–01:18 | 1.10 mi (1.77 km) | 125 yd (114 m) | A house lost its porch roof and had damage to its main roof. Skirting was blown from a mobile home. Numerous trees were uprooted and snapped; some fell on cars. |

### August 19 event

Events in the Northeast were associated with Tropical Storm Fred.
List of confirmed tornadoes – Thursday, August 19, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF1 | Hatfield Township to Hilltown Township | Montgomery, Bucks | PA | 40°17′02″N 75°19′19″W﻿ / ﻿40.284°N 75.322°W﻿ / 40.284; -75.322﻿ (Hatfield Twp (August 19, EF1)) | 04:25–04:30 | 8.76 mi (14.10 km) | 140 yd (130 m) | One business lost part of its roof, a garage lost its metal roof, and several homes suffered roof and siding damage. Trees and tree limbs were downed. |
| EF0 | Rockaway | Morris | NJ | 40°54′07″N 74°31′59″W﻿ / ﻿40.902°N 74.533°W﻿ / 40.902; -74.533﻿ (Rockaway (August 19, EF0)) | 06:38–06:40 | 0.87 mi (1.40 km) | 50 yd (46 m) | Several pine trees, tree branches, and part of a fence were brought down by this weak tornado. |
| EF0 | Thompson, CT to Webster, MA | Windham (CT), Worcester (MA) | CT, MA | 41°59′39″N 71°53′53″W﻿ / ﻿41.9942°N 71.898°W﻿ / 41.9942; -71.898﻿ (Thompson(August 19, EF0)) | 14:15–14:24 | 4.64 mi (7.47 km) | 50 yd (46 m) | An intermittent tornado downed numerous trees and power lines and caused minor property damage. It dissipated as a waterspout on Lake Chaubunagungamaug. |
| EF0 | Clinton | Worcester | MA | 42°24′55″N 71°40′45″W﻿ / ﻿42.4153°N 71.6793°W﻿ / 42.4153; -71.6793﻿ (Clinton (August 19, EF0)) | 17:30–17:31 | 0.54 mi (0.87 km) | 35 yd (32 m) | Trees were downed in Clinton as a result of this weak tornado. |
| EF1 | SE of Holyoke | Phillips | CO | 40°31′N 102°07′W﻿ / ﻿40.52°N 102.11°W﻿ / 40.52; -102.11﻿ (Holyoke #1 (August 19, EF1)) | 23:07–23:12 | 0.01 mi (0.016 km) | 50 yd (46 m) | Two outbuildings were destroyed and a semi trailer was rolled. |
| EF0 | ESE of Holyoke | Phillips | CO | 40°33′N 102°08′W﻿ / ﻿40.55°N 102.13°W﻿ / 40.55; -102.13﻿ (Holyoke #2 (August 19, EF0)) | 23:09–23:10 | 0.01 mi (0.016 km) | 25 yd (23 m) | A brief tornado was observed by a storm chaser. No damage occurred as the tornado remained in an open field. |
| EF0 | SE of Holyoke | Phillips | CO | 40°32′N 102°08′W﻿ / ﻿40.53°N 102.14°W﻿ / 40.53; -102.14﻿ (Holyoke #3 (August 19, EF0)) | 23:20–23:30 | 0.02 mi (0.032 km) | 25 yd (23 m) | A brief tornado was observed by a storm chaser. No damage occurred as the tornado remained in an open field. |

### August 20 event

List of confirmed tornadoes – Friday, August 20, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | S of Sibley | Osceola | IA | 43°20′02″N 95°47′35″W﻿ / ﻿43.334°N 95.793°W﻿ / 43.334; -95.793﻿ (Sibley (August 20, EF0)) | 20:34–20:41 | 3.64 mi (5.86 km) | 20 yd (18 m) | A small shed was overturned, a camper was tossed into another shed, destroying it, and a highway sign was destroyed. Tree limbs were downed. |
| EF0 | E of Erie | Cass | ND | 47°06′25″N 97°18′39″W﻿ / ﻿47.107°N 97.3108°W﻿ / 47.107; -97.3108﻿ (Erie (August 20, EF0)) | 21:18–21:19 | 0.4 mi (0.64 km) | 40 yd (37 m) | Tree branches and corn stalks were seen swirling by storm chasers. |
| EFU | ENE of Sunburg | Kandiyohi | MN | 45°23′37″N 95°05′35″W﻿ / ﻿45.3935°N 95.0931°W﻿ / 45.3935; -95.0931﻿ (Sunburg (August 20, EFU)) | 23:30–23:31 | 0.08 mi (0.13 km) | 10 yd (9.1 m) | A brief tornado was caught on video, causing no damage. |
| EF0 | Belgrade | Stearns | MN | 45°27′02″N 95°00′11″W﻿ / ﻿45.4506°N 95.003°W﻿ / 45.4506; -95.003﻿ (Belgrade (August 20, EF0)) | 23:42–23:48 | 2.12 mi (3.41 km) | 50 yd (46 m) | A few shingles were taken off of the roof of a home. Several trees and tree branches were downed. |
| EFU | SSW of Palmer | Pocahontas | IA | 42°35′33″N 94°37′45″W﻿ / ﻿42.5925°N 94.6291°W﻿ / 42.5925; -94.6291﻿ (Palmer (August 20, EFU)) | 01:03–01:05 | 1.18 mi (1.90 km) | 20 yd (18 m) | This tornado was confirmed by high resolution satellite imagery. No damage was found. |
| EFU | SW of Rutland | Humboldt | IA | 42°44′11″N 94°20′47″W﻿ / ﻿42.7365°N 94.3464°W﻿ / 42.7365; -94.3464﻿ (Rutland (August 20, EFU)) | 01:19–01:22 | 2.16 mi (3.48 km) | 60 yd (55 m) | This tornado was confirmed by high resolution satellite imagery. No damage was found. |
| EF0 | NNE of Goldfield | Wright | IA | 42°45′38″N 93°54′50″W﻿ / ﻿42.7606°N 93.9139°W﻿ / 42.7606; -93.9139﻿ (Goldfield (August 20, EF0)) | 02:05–02:10 | 4.05 mi (6.52 km) | 190 yd (170 m) | This tornado was confirmed by high resolution satellite imagery. Minor tree damage occurred at a farmstead. |

### August 21 event

List of confirmed tornadoes – Saturday, August 21, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF1 | Iuka | Tishomingo | MS | 34°50′40″N 88°12′48″W﻿ / ﻿34.8445°N 88.2132°W﻿ / 34.8445; -88.2132﻿ (Iuka 1 (August 21, EF1)) | 23:09-23:17 | 3.48 mi (5.60 km) | 200 yd (180 m) | This tornado initially caused mainly tree damage, before strengthening as it moved towards the center of Iuka, where several homes suffered roof damage and storage buildings were damaged or destroyed. This tornado formed in an area where no tornado risk had been delineated by the Storm Prediction Center, under an unstable airmass and a weak upper-level disturbance. |
| EF0 | SE of Iuka | Tishomingo | MS | 34°47′27″N 88°09′18″W﻿ / ﻿34.7908°N 88.1551°W﻿ / 34.7908; -88.1551﻿ (Iuka 2 (August 21, EF0)) | 23:22–23:23 | 0.49 mi (0.79 km) | 50 yd (46 m) | Trees were damaged near County Road 247. |

### August 22 event

List of confirmed tornadoes – Sunday, August 22, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | S of Devils Lake | Ramsey | ND | 48°03′36″N 98°51′19″W﻿ / ﻿48.06°N 98.8553°W﻿ / 48.06; -98.8553﻿ (Devils Lake (August 22, EF0)) | 23:02–23:03 | 0.31 mi (0.50 km) | 25 yd (23 m) | A brief waterspout formed and dissipated over Devils Lake. |
| EF0 | SE of Butler | Day | SD | 45°13′N 97°33′W﻿ / ﻿45.22°N 97.55°W﻿ / 45.22; -97.55﻿ (Butler (August 22, EF0)) | 00:55–00:56 | 0.04 mi (0.064 km) | 10 yd (9.1 m) | A brief tornado touched down causing no damage. |

### August 23 event

Event was associated with Hurricane Henri.
List of confirmed tornadoes – Monday, August 23, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | Marlborough | Worcester, Middlesex | MA | 42°18′40″N 71°34′37″E﻿ / ﻿42.311°N 71.577°E﻿ / 42.311; 71.577﻿ (Marlborough (August 23, EF0)) | 15:40–15:42 | 0.75 mi (1.21 km) | 10 yd (9.1 m) | A brief tornado lofted tree branches and toppled a tree onto two cars in Marlborough, damaging them. |
| EF0 | Bolton | Worcester | MA | 42°26′09″N 71°30′00″W﻿ / ﻿42.4357°N 71.5001°W﻿ / 42.4357; -71.5001﻿ (Bolton (August 23, EF0)) | 16:30 | 0.1 mi (0.16 km) | 50 yd (46 m) | A brief tornado touched down in Bolton and knocked one tree over into wires, and tore a large branch from another tree. |
| EF0 | Stow | Middlesex | MA | 42°26′17″N 71°33′54″W﻿ / ﻿42.438°N 71.565°W﻿ / 42.438; -71.565﻿ (Stow (August 23, EF0)) | 17:10 | 0.1 mi (0.16 km) | 50 yd (46 m) | A brief tornado knocked down one tree, and brought down a large tree branch across a road in town. |

### August 25 event

List of confirmed tornadoes – Wednesday, August 25, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EFU | SW of Geneseo | Henry | IL | 41°24′N 90°13′W﻿ / ﻿41.4°N 90.21°W﻿ / 41.4; -90.21﻿ (Geneseo (August 25, EFU)) | 20:39–20:40 | 0.01 mi (0.016 km) | 10 yd (9.1 m) | A landspout tornado damaged crops. |
| EFU | SE of Berwick | Warren | IL | 40°46′N 90°28′W﻿ / ﻿40.77°N 90.47°W﻿ / 40.77; -90.47﻿ (Berwick (August 25, EFU)) | 21:48–21:49 | 0.11 mi (0.18 km) | 30 yd (27 m) | A brief tornado was observed by a trained spotter causing no damage. |

### August 27 event

List of confirmed tornadoes – Friday, August 27, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | SW of Clear Lake | Cerro Gordo | IA | 43°03′50″N 93°24′48″W﻿ / ﻿43.0639°N 93.4134°W﻿ / 43.0639; -93.4134﻿ (Clear Lake (August 27, EF0)) | 22:06–22:12 | 2.14 mi (3.44 km) | 250 yd (230 m) | Crops and trees were damaged. |
| EFU | NW of Dougherty | Cerro Gordo | IA | 42°56′51″N 93°06′55″W﻿ / ﻿42.9474°N 93.1152°W﻿ / 42.9474; -93.1152﻿ (Dougherty #1 (August 27, EFU)) | 22:35–22:41 | 2.04 mi (3.28 km) | 110 yd (100 m) | This tornado was confirmed using high resolution satellite imagery. No damage was found. |
| EF0 | ENE of Dougherty | Floyd | IA | 42°56′11″N 92°59′50″W﻿ / ﻿42.9363°N 92.9972°W﻿ / 42.9363; -92.9972﻿ (Dougherty #2 (August 27, EF0)) | 22:50–22:51 | 1.29 mi (2.08 km) | 140 yd (130 m) | This tornado was confirmed using high resolution satellite imagery. No damage was found. Based on striation patterns in fields hit by this tornado, it was likely an anticyclonic tornado. |
| EF0 | W of Marble Rock | Floyd | IA | 42°58′00″N 92°59′33″W﻿ / ﻿42.9667°N 92.9924°W﻿ / 42.9667; -92.9924﻿ (Marble Rock (August 27, EF0)) | 22:51–22:54 | 2.19 mi (3.52 km) | 90 yd (82 m) | One farm outbuilding had part of its roof torn off. Crops were damaged. |
| EF1 | Marble Rock to NNW of Greene | Floyd | IA | 42°57′49″N 92°53′48″W﻿ / ﻿42.9635°N 92.8968°W﻿ / 42.9635; -92.8968﻿ (Marble Rock (August 27, EF1)) | 22:57–23:11 | 6.38 mi (10.27 km) | 300 yd (270 m) | Several farms and buildings were damaged; one farm had nearly all its outbuildings destroyed. Several large propane tanks were overturned. Trees and crops were damaged. |

### August 28 event

List of confirmed tornadoes – Saturday, August 28, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | S of Albany | Stearns | MN | 45°34′21″N 94°35′58″W﻿ / ﻿45.5726°N 94.5994°W﻿ / 45.5726; -94.5994﻿ (Albany (August 28, EF0)) | 16:26–16:28 | 2.07 mi (3.33 km) | 25 yd (23 m) | About two dozen trees were damaged. |
| EF1 | Lennox | Turner, Lincoln | SD | 43°20′31″N 96°55′59″W﻿ / ﻿43.342°N 96.933°W﻿ / 43.342; -96.933﻿ (Lennox #1 (August 28, EF1)) | 21:22–21:25 | 2.7 mi (4.3 km) | 150 yd (140 m) | An outbuilding was destroyed, structures in town sustained roof damage, and trees were uprooted or snapped. One tree fell on and damaged a barn, and the upturned roots of another tree damaged the porch of a house. A trampoline was thrown into a treetop and mangled. |
| EFU | E of Lennox | Lincoln | SD | 43°21′07″N 96°51′43″W﻿ / ﻿43.352°N 96.862°W﻿ / 43.352; -96.862﻿ (Lennox #2 (August 28, EFU)) | 21:25–21:26 | 0.9 mi (1.4 km) | 20 yd (18 m) | This brief tornado was confirmed based on Sentinel-2 satellite imagery. No damage was found. |
| EFU | N of Worthing | Lincoln | SD | 43°21′43″N 96°46′59″W﻿ / ﻿43.362°N 96.783°W﻿ / 43.362; -96.783﻿ (Worthing #1 (August 28, EFU)) | 21:30–21:32 | 1.6 mi (2.6 km) | 20 yd (18 m) | This brief tornado was confirmed based on Sentinel-2 satellite imagery. No damage was found. |
| EFU | NE of Worthing | Lincoln | SD | 43°21′54″N 96°42′25″W﻿ / ﻿43.365°N 96.707°W﻿ / 43.365; -96.707﻿ (Worthing #2 (August 28, EFU)) | 21:35–21:36 | 1.1 mi (1.8 km) | 30 yd (27 m) | This brief tornado was confirmed based on Sentinel-2 satellite imagery. No damage was found. |
| EFU | WNW of Iona | Murray | MN | 43°56′10″N 95°51′47″W﻿ / ﻿43.936°N 95.863°W﻿ / 43.936; -95.863﻿ (Iona (August 28, EFU)) | 22:29–22:31 | 1.18 mi (1.90 km) | 40 yd (37 m) | This brief tornado was confirmed based on Sentinel-2 satellite imagery. No damage was found. |
| EFU | N of Avoca | Murray | MN | 43°59′31″N 95°37′37″W﻿ / ﻿43.992°N 95.627°W﻿ / 43.992; -95.627﻿ (Avoca (August 28, EFU)) | 22:40–22:43 | 1.91 mi (3.07 km) | 20 yd (18 m) | This brief tornado was confirmed based on Sentinel-2 satellite imagery. No damage was found. |
| EFU | SW of Dovray | Murray | MN | 44°02′38″N 95°33′40″W﻿ / ﻿44.044°N 95.561°W﻿ / 44.044; -95.561﻿ (Dovray #1 (August 28, EFU)) | 22:48–22:49 | 0.64 mi (1.03 km) | 20 yd (18 m) | This brief tornado was confirmed based on Sentinel-2 satellite imagery. No damage was found. |
| EFU | NE of Dovray | Murray | MN | 44°03′43″N 95°28′30″W﻿ / ﻿44.062°N 95.475°W﻿ / 44.062; -95.475﻿ (Dovray #2 (August 28, EFU)) | 22:53–22:56 | 2.21 mi (3.56 km) | 20 yd (18 m) | This brief tornado was confirmed based on Sentinel-2 satellite imagery. No damage was found. |
| EFU | SW of Sanborn | Cottonwood | MN | 44°07′30″N 95°13′12″W﻿ / ﻿44.125°N 95.22°W﻿ / 44.125; -95.22﻿ (Sanborn (August 28, EFU)) | 23:04–23:12 | 3.54 mi (5.70 km) | 20 yd (18 m) | This brief tornado was confirmed based on Sentinel-2 satellite imagery. No damage was found. |
| EF0 | SW of Cobden | Brown | MN | 44°14′39″N 94°51′46″W﻿ / ﻿44.2441°N 94.8627°W﻿ / 44.2441; -94.8627﻿ (Cobden #1 (August 28, EF0)) | 23:29–23:35 | 3.29 mi (5.29 km) | 20 yd (18 m) | This brief tornado was confirmed based on Sentinel-2 satellite imagery. Large tree branches were downed. |
| EF0 | SE of Cobden | Brown | MN | 44°13′34″N 94°48′24″W﻿ / ﻿44.226°N 94.8068°W﻿ / 44.226; -94.8068﻿ (Cobden #2 (August 28, EF0)) | 23:29–23:37 | 4.29 mi (6.90 km) | 25 yd (23 m) | This brief tornado was confirmed based on Sentinel-2 satellite imagery. Large tree branches were downed. |
| EF0 | SW of Essig | Brown | MN | 44°18′14″N 94°38′28″W﻿ / ﻿44.3038°N 94.641°W﻿ / 44.3038; -94.641﻿ (Essig #1 (August 28, EF0)) | 23:47–23:49 | 0.94 mi (1.51 km) | 25 yd (23 m) | This brief tornado was confirmed based on Sentinel-2 satellite imagery. Large tree branches were downed. |
| EFU | N of Essig | Brown | MN | 44°20′50″N 94°35′09″W﻿ / ﻿44.3473°N 94.5857°W﻿ / 44.3473; -94.5857﻿ (Essig #2 (August 28, EFU)) | 23:52–23:53 | 0.63 mi (1.01 km) | 20 yd (18 m) | This brief tornado was confirmed based on Sentinel-2 satellite imagery. No damage was found. |
| EF0 | WSW of New Richland | Waseca | MN | 43°52′32″N 93°32′32″W﻿ / ﻿43.8756°N 93.5422°W﻿ / 43.8756; -93.5422﻿ (New Richland #1 (August 28, EF0)) | 01:12–01:13 | 0.68 mi (1.09 km) | 25 yd (23 m) | Large large tree branches were snapped, plywood was blown into a field, and corn was damaged. |
| EF0 | SW of New Richland | Waseca | MN | 43°52′33″N 93°30′49″W﻿ / ﻿43.8758°N 93.5136°W﻿ / 43.8758; -93.5136﻿ (New Richland #2 (August 28, EF0)) | 01:14–01:15 | 0.44 mi (0.71 km) | 25 yd (23 m) | Large tree branches were snapped at a farmstead. |

### August 29 event

List of confirmed tornadoes – Sunday, August 29, 2021 :
| EF# | Location | County / parish | State | Start coord. | Time (UTC) | Path length | Max. width | Summary |
| EF1 | WSW of Pass Christian to SW of Diamondhead | Harrison, Hancock | MS | 30°18′56″N 89°15′30″W﻿ / ﻿30.3156°N 89.2582°W﻿ / 30.3156; -89.2582﻿ (Pass Christian (August 29, EF1)) | 11:23–11:28 | 3.8 mi (6.1 km) | 150 yd (140 m) | A waterspout moved onshore from the Gulf of Mexico damaging several homes, with one sustaining extensive roof damage. It continued to damage homes as it tracked northwest into the Bay of St. Louis. The tornado tracked near Diamondhead as it moved onshore from the bay. Shingles were removed from the roof of a nursing center as the tornado crossed I-10 before dissipating shortly thereafter. Trees were snapped or uprooted along the path as well. |
| EF0 | Gulfport | Harrison | MS | 30°22′40″N 89°03′53″W﻿ / ﻿30.3777°N 89.0646°W﻿ / 30.3777; -89.0646﻿ (Gulfport (August 29, EF0)) | 22:15–22:19 | 0.74 mi (1.19 km) | 50 yd (46 m) | Numerous trees and tree limbs were downed, including one large tree that was uprooted onto two houses. A house, a strip mall, and another building sustained roof damage as well. |
| EF1 | Eden Isle (1st tornado) | St. Tammany | LA | 30°12′40″N 89°46′22″W﻿ / ﻿30.2112°N 89.7729°W﻿ / 30.2112; -89.7729﻿ (Eden Isle #1 (August 29, EF1)) | 23:33–23:38 | 4.92 mi (7.92 km) | 175 yd (160 m) | Two buildings at a condominium complex had their roofs partially torn off. Numerous houses were damaged and trees were downed. |
| EF0 | SE to NW of Pearlington | Hancock | MS | 30°12′22″N 89°30′27″W﻿ / ﻿30.2061°N 89.5074°W﻿ / 30.2061; -89.5074﻿ (Pearlington (August 29, EF0)) | 23:59–00:09 | 10.55 mi (16.98 km) | 75 yd (69 m) | A waterspout moved onshore, blowing down road signs and posts. Trees and roofs of homes were damaged. |
| EF0 | Eden Isle (2nd tornado) | St. Tammany | LA | 30°13′11″N 89°47′39″W﻿ / ﻿30.2197°N 89.7942°W﻿ / 30.2197; -89.7942﻿ (Eden Isle #2(August 29, EF0)) | 01:56–01:57 | 0.88 mi (1.42 km) | 100 yd (91 m) | A brief tornado damage roofs and fences and uprooted trees. |
| EF0 | ESE of Waveland to Shoreline Park | Hancock | MS | 30°15′59″N 89°23′11″W﻿ / ﻿30.2664°N 89.3864°W﻿ / 30.2664; -89.3864﻿ (Waveland 1 (August 29, EF0)) | 03:11–03:14 | 3.34 mi (5.38 km) | 200 yd (180 m) | A waterspout moved onshore and caused minor damage to the roofs of several homes and an apartment complex. Several trees were also snapped or uprooted. |
| EF0 | NE of Waveland to NE of Shoreline Park | Hancock | MS | 30°17′44″N 89°21′57″W﻿ / ﻿30.2955°N 89.3658°W﻿ / 30.2955; -89.3658﻿ (Waveland 2 (August 29, EF0)) | 03:15–03:18 | 2.88 mi (4.63 km) | 200 yd (180 m) | A waterspout moved onshore, where the roofs of several homes sustained minor damage. Several trees were snapped or uprooted as well. |
| EF0 | Henderson Point | Harrison | MS | 30°18′29″N 89°16′56″W﻿ / ﻿30.3081°N 89.2822°W﻿ / 30.3081; -89.2822﻿ (Henderson Point (August 29, EF0)) | 03:37–03:38 | 0.51 mi (0.82 km) | 75 yd (69 m) | A waterspout formed over the Mississippi Sound and moved inland. Several homes and a detached garage were damaged, trees were snapped or uprooted, and power lines were snapped. |

### August 30 event

List of confirmed tornadoes – Monday, August 30, 2021 :
| EF# | Location | County / parish | State | Start coord. | Time (UTC) | Path length | Max. width | Summary |
| EF0 | Biloxi (1st tornado) | Harrison | MS | 30°23′50″N 88°56′00″W﻿ / ﻿30.3973°N 88.9332°W﻿ / 30.3973; -88.9332﻿ (Biloxi 1 (August 30, EF0)) | 09:18–09:19 | 0.17 mi (0.27 km) | 150 yd (140 m) | A very brief tornado caused minor damage to several homes and several apartment buildings. |
| EF0 | Biloxi (2nd tornado) | Harrison | MS | 30°23′48″N 88°52′44″W﻿ / ﻿30.3966°N 88.8788°W﻿ / 30.3966; -88.8788﻿ (Biloxi 2 (August 30, EF0)) | 10:55–10:56 | 0.53 mi (0.85 km) | 100 yd (91 m) | A brief tornado inflicted minor damage to several homes and a small office complex. Large tree limbs were snapped. |
| EF0 | NW of Mississippi City | Harrison | MS | 30°23′12″N 89°03′23″W﻿ / ﻿30.3868°N 89.0565°W﻿ / 30.3868; -89.0565﻿ (Mississippi City (August 30, EF0)) | 12:44–12:45 | 0.52 mi (0.84 km) | 100 yd (91 m) | A brief tornado damaged the roofs of several homes and snapped numerous trees. |
| EF0 | E of Gulfport to WSW of Biloxi | Harrison | MS | 30°23′28″N 89°00′22″W﻿ / ﻿30.391°N 89.0061°W﻿ / 30.391; -89.0061﻿ (Gulfport (August 30, EF0)) | 12:49–12:51 | 1.04 mi (1.67 km) | 200 yd (180 m) | Trees were snapped and uprooted at a golf club. Several homes sustained damage, and a warehouse lost some of its roof panels. |
| EF0 | Biloxi (3rd tornado) | Harrison | MS | 30°23′50″N 88°59′34″W﻿ / ﻿30.3971°N 88.9928°W﻿ / 30.3971; -88.9928﻿ (Biloxi 3 (August 30, EF0)) | 12:50–12:55 | 3.47 mi (5.58 km) | 125 yd (114 m) | Trees were downed and several houses sustained roof damage. The tornado crossed Big Lake and caused minor damage more homes. |
| EF0 | Biloxi (4th tornado) | Harrison | MS | 30°23′51″N 88°58′25″W﻿ / ﻿30.3974°N 88.9737°W﻿ / 30.3974; -88.9737﻿ (Biloxi 4 (August 30, EF0)) | 12:56–12:58 | 1.05 mi (1.69 km) | 150 yd (140 m) | Several homes sustained minor roof damage. Portions of roofing were torn off at a bank and a restaurant, and trees and fences were damaged along the tornado's path. |
| EF0 | Pascagoula to SE of Helena | Jackson | MS | 30°21′00″N 88°33′30″W﻿ / ﻿30.3499°N 88.5583°W﻿ / 30.3499; -88.5583﻿ (Pascagoula (August 30, EF0)) | 14:37–14:57 | 10.19 mi (16.40 km) | 50 yd (46 m) | A waterspout moved ashore, causing light damage to multiple homes. Tree limbs were damaged. |
| EF1 | Saraland to E of Bucks | Mobile, Baldwin | AL | 30°47′42″N 88°04′23″W﻿ / ﻿30.7951°N 88.0731°W﻿ / 30.7951; -88.0731﻿ (Saraland (August 30, EF1)) | 17:20–17:43 | 16.62 mi (26.75 km) | 175 yd (160 m) | The roof of a motel was partially removed just west of US 43 in Saraland, and several sections of another motel's roof were removed. The roof of an industrial building was partially removed and an 18-wheeler was overturned. Trees were uprooted or snapped along the path, including some that fell onto a home near I-65. Three people were injured. In November 2023, this tornado was reanalyzed and had its path length adjusted from 9.96 mi (16.03 km) to 16.62 mi (26.75 km) due to a narrow swath of uprooted and snapped trees noted on Planet and Worldview satellite imagery. The ending point was also extended further to the northeast into the Mobile River delta. |
| EF1 | E of Malcolm | Clarke, Baldwin | AL | 31°13′N 87°52′W﻿ / ﻿31.21°N 87.86°W﻿ / 31.21; -87.86﻿ (Malcolm (Aug. 30, EF1)) | 18:05–18:10 | 3.53 mi (5.68 km) | 175 yd (160 m) | In November 2023, a new tornado was found along the Alabama River based on a narrow swath of tree damage noted on Planet and Worldview satellite imagery. |
| EF1 | ESE of Rockville to WSW of Alma | Clarke | AL | 31°24′23″N 87°47′32″W﻿ / ﻿31.4064°N 87.7922°W﻿ / 31.4064; -87.7922﻿ (Rockville (August 30, EF1)) | 18:25–18:28 | 3.5 mi (5.6 km) | 150 yd (140 m) | A mobile home was rolled and another home lost much of its roof. Trees were snapped or uprooted as the tornado tracked through a heavily wooded area. |
| EF0 | SE of Troy | Pike | AL | 31°43′36″N 85°54′39″W﻿ / ﻿31.7266°N 85.9109°W﻿ / 31.7266; -85.9109﻿ (Antioch (August 30, EF0)) | 19:02–19:09 | 3.18 mi (5.12 km) | 75 yd (69 m) | A few trees were downed or had limbs snapped off. |
| EF0 | SE of Tuskegee | Macon | AL | 32°23′52″N 85°35′53″W﻿ / ﻿32.3979°N 85.5981°W﻿ / 32.3979; -85.5981﻿ (Red Road (August 30, EF0)) | 20:45–20:46 | 0.48 mi (0.77 km) | 75 yd (69 m) | Trees and tree limbs were blown down, and a home sustained siding damage. |

### August 31 event

List of confirmed tornadoes – Tuesday, August 31, 2021 :
| EF# | Location | County / parish | State | Start coord. | Time (UTC) | Path length | Max. width | Summary |
| EF0 | SW of Peterman to Jones Crossroads | Houston | AL | 31°12′00″N 85°29′22″W﻿ / ﻿31.1999°N 85.4894°W﻿ / 31.1999; -85.4894﻿ (Houston County (August 31, EF0)) | 20:59–21:08 | 0.89 mi (1.43 km) | 20 yd (18 m) | Trees were downed onto a mobile home. Farther along the path, the doors and siding of a warehouse were damaged and the roof of a shed was peeled off. |
| EF1 | SE of Radford | Montgomery | VA | 37°04′51″N 80°31′08″W﻿ / ﻿37.0808°N 80.5188°W﻿ / 37.0808; -80.5188﻿ (Radford (August 31, EF1)) | 22:34–22:38 | 1.9 mi (3.1 km) | 75 yd (69 m) | A barn was damaged and several trees were snapped or uprooted. |
| EF1 | NW of Merrimac | Montgomery | VA | 37°11′51″N 80°26′15″W﻿ / ﻿37.1974°N 80.4376°W﻿ / 37.1974; -80.4376﻿ (Merrimac (August 31, EF1)) | 22:59–23:00 | 0.22 mi (0.35 km) | 75 yd (69 m) | Several trees were uprooted and snapped, and a swing was destroyed. |
| EF0 | Midland City | Dale | AL | 31°19′10″N 85°30′16″W﻿ / ﻿31.3194°N 85.5045°W﻿ / 31.3194; -85.5045﻿ (Midland City (August 31, EF0)) | 23:14–23:17 | 0.65 mi (1.05 km) | 125 yd (114 m) | Bleachers and a dugout at the Dale City High School were damaged. Numerous homes in Midland City sustained minor roof damage, and trampolines were lofted into the air. Several trees were also blown down, some of which fell onto and damaged a home. |
| EF0 | N of Bailey Crossroad | Geneva, Houston | AL | 31°11′18″N 85°36′50″W﻿ / ﻿31.1884°N 85.614°W﻿ / 31.1884; -85.614﻿ (Bailey Crossroad (August 31, EF0)) | 23:34–23:40 | 2.29 mi (3.69 km) | 25 yd (23 m) | This tornado moved through open fields before damaging a barn near the end of its path. |

## September

Confirmed tornadoes by Enhanced Fujita rating :
| EFU | EF0 | EF1 | EF2 | EF3 | EF4 | EF5 | Total |
| 0 | 15 | 9 | 3 | 1 | 0 | 0 | 28 |

### September 1 event

List of confirmed tornadoes – Wednesday, September 1, 2021 :
| EF# | Location | County / parish | State | Start coord. | Time (UTC) | Path length | Max. width | Summary |
| EF2 | Owensville to western Annapolis | Anne Arundel | MD | 38°51′00″N 76°35′46″W﻿ / ﻿38.85°N 76.596°W﻿ / 38.85; -76.596﻿ (Owensville (Sept. 1, EF2)) | 18:01–18:23 | 11.43 mi (18.39 km) | 200 yd (180 m) | This damaging tornado first touched down in Owensville before moving north-northeastward, downing trees and tree branches. As it entered the south side of Edgewater, it strengthened and struck a subdivision, where multiple homes had large sections of their roofs torn off, and one was unroofed entirely. The Center of Applied Technology South and South River High School both sustained roof damage, while the concession stand and football field grandstands were also damaged. Many homes suffered considerable roof, siding, and porch damage as the tornado moved farther north-northeast through residential areas. After crossing the South River, the tornado reached peak strength and struck several neighborhoods in Annapolis. Numerous homes, apartment buildings, businesses, warehouses, and restaurants had their roofs ripped off or sustained significant roof and siding damage, including a warehouse that sustained some collapse of exterior walls. Numerous windows were also shattered, signs were destroyed, and many power lines and trees were downed, some of which landed on homes. The tornado weakened and caused additional tree and roof damage as it approached US 301/US 50 before lifting just after crossing it. |
| EF0 | E of Edgemere | Baltimore | MD | 39°11′49″N 76°26′31″W﻿ / ﻿39.197°N 76.442°W﻿ / 39.197; -76.442﻿ (Edgemere (Sept. 1, EF0)) | 18:48–19:00 | 6.73 mi (10.83 km) | 75 yd (69 m) | A high-end EF0 tornado developed at the confluence of the Patapsco River and Chesapeake Bay and moved north-northeastward, crossing the Shallow Creek, Back River, and Browns Creek. Trees and branches were snapped along the path before it dissipated near the Middle River. |
| EF2 | Eastern Oxford to NE of Russellville | Chester | PA | 39°46′N 75°58′W﻿ / ﻿39.77°N 75.97°W﻿ / 39.77; -75.97﻿ (Oxford (Sept. 1, EF2)) | 20:15–20:22 | 5.92 mi (9.53 km) | 350 yd (320 m) | This low-end EF2 tornado first caused significant damage in the Wiltshire subdivision at the east edge of Oxford. A home lost an exterior wall, another home lost a large part of its roof and much of its siding, and several other homes were damaged to a lesser degree. An outbuilding was damaged and an RV was flipped at a business near the subdivision as well. The tornado weakened as it continued to the north, damaging a metal storage building, turkey pens, outbuildings, power poles, trees, and crops before dissipating. Damage totaled $500,000. |
| EF0 | W of Hurlock | Dorchester | MD | 38°40′N 75°52′W﻿ / ﻿38.67°N 75.86°W﻿ / 38.67; -75.86﻿ (Hurlock (Sept. 1, EF0)) | 20:45–20:58 | 3.82 mi (6.15 km) | 50 yd (46 m) | A 40 ft (12 m) section of roofing was torn off of a metal building. Several large irrigation systems were flipped, and damage to soybean and corn crops also occurred. |
| EF2 | Fort Washington to Horsham | Montgomery | PA | 40°06′25″N 75°14′17″W﻿ / ﻿40.107°N 75.238°W﻿ / 40.107; -75.238﻿ (Fort Washington (Sept. 1, EF2)) | 21:35–21:49 | 8.28 mi (13.33 km) | 400 yd (370 m) | 1 death – This rain-wrapped, strong tornado touched down near the Philadelphia Cricket Club southwest of Whitemarsh, where minor low-end EF1 tree damage occurred. Additional minor damage occurred to homes and trees in and around Fort Washington State Park. The tornado strengthened to high-end EF1 intensity as it moved through Whitemarsh, crossed the Pennsylvania Turnpike, and moved into a more residential area as it entered Fort Washington, where many trees were snapped, and numerous homes sustained minor to moderate roof and siding damage. The tornado then rapidly intensified and reached its peak intensity of high-end EF2 as it crossed PA 309 in Upper Dublin. Numerous homes and apartment buildings sustained partial to total loss of their roofs, and one sustained collapse of some exterior walls. Almost all trees in this area were uprooted or snapped, and cars were flipped or damaged by flying debris. Upper Dublin High School sustained roof damage, a large building adjacent to the school lost a significant portion of its roof, and power poles were snapped. Homes near the school were damaged, and one woman was killed when a large tree fell onto her house on Kenyon Drive. The tornado weakened to high-end EF1 strength as it continued to move to the northeast, flattening a wide swath of trees in a wooded area and causing severe roof damage to buildings on the campus of Temple University Ambler. Homes were damaged in a nearby neighborhood as well, a few of which also had large sections of roofing torn off. Many additional trees were downed, and mostly minor roof damage to homes, commercial buildings, and a veterinary hospital occurred in Maple Glen before the tornado quickly dissipated near the Bucks County line. Damage totaled $5 million and two people were injured. |
| EF1 | S of Doylestown to Buckingham Township | Bucks | PA | 40°16′N 75°07′W﻿ / ﻿40.27°N 75.11°W﻿ / 40.27; -75.11﻿ (Doylestown (Sept. 1, EF1)) | 21:59–22:06 | 4.31 mi (6.94 km) | 300 yd (270 m) | This tornado came from the same storm that produced the previous tornado above. It moved through a forested area, damaging and knocking down trees, some of which blocked roads. |
| EF3 | E of Harrisonville to Mullica Hill to Deptford | Gloucester | NJ | 39°40′37″N 75°15′00″W﻿ / ﻿39.6769°N 75.2500°W﻿ / 39.6769; -75.2500﻿ (Mullica Hill (Sept. 1, EF3)) | 22:10–22:30 | 12.37 mi (19.91 km) | 400 yd (370 m) | See section for this tornado – Two people were injured. |
| EF1 | Upper Makefield Township | Bucks | PA | 40°17′53″N 74°56′17″W﻿ / ﻿40.298°N 74.938°W﻿ / 40.298; -74.938﻿ (Upper Makefield Township (Sept. 1, EF1)) | 22:30–22:35 | 1.6 mi (2.6 km) | 250 yd (230 m) | Some trees were uprooted at the Jericho National Golf Club. Additional tree damage was found along with several flipped soccer goals at Brownsburg Park. The tornado dissipated just before crossing the Delaware River. |
| EF1 | Edgewater Park, NJ to Bristol, PA | Burlington (NJ), Bucks (PA) | NJ, PA | 40°04′N 74°53′W﻿ / ﻿40.06°N 74.89°W﻿ / 40.06; -74.89﻿ (Edgewater Park (Sept. 1, EF1)) | 22:59–23:04 | 2.98 mi (4.80 km) | 200 yd (180 m) | This tornado came from the same storm that produced the Mullica Hill EF3 tornado. Trees and power lines were damaged along the path and a few homes sustained minor damage. Several pictures and videos were taken, particularly as the tornado crossed the Delaware River between Burlington and Bristol. A tornado emergency was issued for this tornado, the first of its kind to be issued in the Northeast. |
| EF0 | Princeton | Mercer | NJ | 40°19′N 74°40′W﻿ / ﻿40.31°N 74.67°W﻿ / 40.31; -74.67﻿ (Princeton (Sept. 1, EF0)) | 23:32–23:35 | 2.61 mi (4.20 km) | 100 yd (91 m) | This tornado was the last produced by the Mullica Hill supercell. Trees and branches were snapped and uprooted in town, but no structural damage occurred. |

### September 2 event

Event in Massachusetts was associated with Hurricane Ida.
List of confirmed tornadoes – Thursday, September 2, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | Dennis | Barnstable | MA | 41°44′29″N 70°12′49″W﻿ / ﻿41.7413°N 70.2135°W﻿ / 41.7413; -70.2135﻿ (Oxford (Sept. 2, EF0)) | 05:30–05:31 | 0.1 mi (0.16 km) | 15 yd (14 m) | A weak tornado caused minor damage to two homes in town, and knocked down three large oak trees. |
| EF1 | NW of North Salt Lake to Woods Cross | Davis | UT | 40°51′27″N 111°55′49″W﻿ / ﻿40.8575°N 111.9304°W﻿ / 40.8575; -111.9304﻿ (North Salt Lake (Sept. 2, EF1)) | 00:28–00:34 | 2.05 mi (3.30 km) | 350 yd (320 m) | Several homes and businesses sustained minor to moderate damage along the path. A power pole was found leaning, while trees were uprooted and tree limbs were snapped. |

### September 7 event

List of confirmed tornadoes – Tuesday, September 7, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF1 | N of Lake Wilson to W of Osseo | Hillsdale | MI | 41°53′54″N 84°41′35″W﻿ / ﻿41.8982°N 84.6931°W﻿ / 41.8982; -84.6931﻿ (Osseo (Sept. 7, EF1)) | 23:45–23:51 | 5.33 mi (8.58 km) | 450 yd (410 m) | Several outbuildings and a silo were destroyed, power poles were snapped, and two 1,000-pound (450 kg) hay bales were tossed. Significant tree damage occurred. |

### September 8 event

Event in Florida was associated with Tropical Storm Mindy.
List of confirmed tornadoes – Wednesday, September 8, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF1 | SE of Middleburg | Snyder | PA | 40°45′31″N 77°00′22″W﻿ / ﻿40.7586°N 77.0062°W﻿ / 40.7586; -77.0062﻿ (Middleburg (Sept. 8, EF1)) | 21:32–21:33 | 0.73 mi (1.17 km) | 30 yd (27 m) | Power lines and more than 100 trees were knocked down. |
| EF0 | ESE of Freeburg | Snyder | PA | 40°45′10″N 76°54′47″W﻿ / ﻿40.7529°N 76.9131°W﻿ / 40.7529; -76.9131﻿ (Freeburg (Sept. 8, EF0)) | 21:35–21:36 | 1.45 mi (2.33 km) | 30 yd (27 m) | A barn roof was damaged, trees were snapped and uprooted, and corn was flattened. |
| EF0 | W of Crawfordville | Wakulla | FL | 30°09′36″N 84°26′59″W﻿ / ﻿30.1599°N 84.4497°W﻿ / 30.1599; -84.4497﻿ (Crawfordville (Sept. 8, EF0)) | 01:08–01:13 | 1.45 mi (2.33 km) | 50 yd (46 m) | Tree damage occurred. |

### September 9 event

List of confirmed tornadoes – Thursday, September 9, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | Coventry | Tolland | CT | 41°45′00″N 72°17′56″W﻿ / ﻿41.750°N 72.299°W﻿ / 41.750; -72.299﻿ (Coventry (Sept. 9, EF0)) | 08:10–08:11 | 0.75 mi (1.21 km) | 75 yd (69 m) | A short-lived, intermittent tornado downed over a dozen trees and damaged many other, some of which had their tops sheared off. Power lines were damaged as well. |
| EF0 | SSE of Lake Los Angeles | Los Angeles | CA | 34°31′13″N 117°45′34″W﻿ / ﻿34.5203°N 117.7595°W﻿ / 34.5203; -117.7595﻿ (Lake Los Angeles (Sept. 9, EF0) | 23:58–00:15 | 1.79 mi (2.88 km) | 9 yd (8.2 m) | A weather spotter reported a weak landspout tornado with no damage. |

### September 13 event

List of confirmed tornadoes – Monday, September 13, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF1 | Conesus to Springwater | Livingston | NY | 42°40′N 77°38′W﻿ / ﻿42.67°N 77.64°W﻿ / 42.67; -77.64﻿ (Coventry (Sept. 13, EF1)) | 04:57–05:00 | 0.8 mi (1.3 km) | 75 yd (69 m) | This tornado caused minor siding damage to a mobile home, and moved a boat and an antique plow. High-end EF1 damage occurred in a wooded area, with numerous trees snapped or uprooted. A shed and above-ground swimming pool were crushed by falling trees as well. |

### September 17 event

List of confirmed tornadoes – Friday, September 17, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | NNW of Le Sueur | Sibley | MN | 44°28′57″N 93°57′07″W﻿ / ﻿44.4824°N 93.952°W﻿ / 44.4824; -93.952﻿ (Le Sueur (Sept. 17, EF0)) | 07:34–07:35 | 1.59 mi (2.56 km) | 50 yd (46 m) | The tornado moved through a corn field and struck a grove of trees, where several large branches were downed. |
| EF0 | W of Savage | Scott | MN | 44°45′03″N 93°22′59″W﻿ / ﻿44.7507°N 93.383°W﻿ / 44.7507; -93.383﻿ (Savage (Sept. 17, EF0)) | 08:00–08:03 | 2.1 mi (3.4 km) | 200 yd (180 m) | Damage mainly consisted of trees falling on homes and vehicles. A public works building sustained roof damage and a light standard was bent. |
| EF0 | N of Apple Valley | Dakota | MN | 44°47′26″N 93°14′36″W﻿ / ﻿44.7906°N 93.2434°W﻿ / 44.7906; -93.2434﻿ (Apple Valley (Sept. 17, EF0)) | 08:08–08:09 | 1.02 mi (1.64 km) | 50 yd (46 m) | Damage mainly consisted of trees falling on homes and vehicles. |
| EF0 | NE of Burnsville | Dakota | MN | 44°44′20″N 93°12′53″W﻿ / ﻿44.7388°N 93.2146°W﻿ / 44.7388; -93.2146﻿ (Burnsville (Sept. 17, EF0)) | 08:08–08:09 | 0.81 mi (1.30 km) | 75 yd (69 m) | Damage mainly consisted of trees falling on homes and vehicles. |

### September 18 event

List of confirmed tornadoes – Saturday, September 18, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | NW of Citra | Alachua | FL | 29°26′N 82°07′W﻿ / ﻿29.43°N 82.12°W﻿ / 29.43; -82.12﻿ (Citra (Sept. 18, EF0)) | 22:24–22:34 | 0.1 mi (0.16 km) | 20 yd (18 m) | A waterspout formed and dissipated over Orange Lake. No damage occurred. |

### September 20 event

List of confirmed tornadoes – Monday, September 20, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | NE of Eyota | Olmsted | MN | 44°01′59″N 92°13′34″W﻿ / ﻿44.0331°N 92.2261°W﻿ / 44.0331; -92.2261﻿ (Eyota (Sept. 20, EF0)) | 21:47–21:56 | 5.66 mi (9.11 km) | 100 yd (91 m) | A short-lived QLCS tornado damaged outbuildings and equipment on two farms. |
| EF1 | N of Independence to SE of Strum | Trempealeau | WI | 44°25′23″N 91°27′03″W﻿ / ﻿44.423°N 91.4507°W﻿ / 44.423; -91.4507﻿ (Russell (Sept. 20, EF1)) | 22:56–23:11 | 8.49 mi (13.66 km) | 100 yd (91 m) | Nine structures were damaged or destroyed by this tornado, and a semi truck was rolled, injuring the driver. Sporadic tree and crop damage occurred. |

### September 22 event

List of confirmed tornadoes – Wednesday, September 22, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF1 | N of Stoneboro | Mercer | PA | 41°21′45″N 80°06′54″W﻿ / ﻿41.3625°N 80.1151°W﻿ / 41.3625; -80.1151﻿ (Stoneboro (Sept. 21, EF1)) | 22:20–22:21 | 0.26 mi (0.42 km) | 90 yd (82 m) | Trees were uprooted and corn in a field was damaged. Nearby structures sustained damage from straight-line winds. |

### September 27 event

List of confirmed tornadoes – Monday, September 27, 2021 :
| EF# | Location | County / Parish | State | Start Coord. | Time (UTC) | Path length | Max width | Summary |
| EF0 | W of Battle Ground to Lewisville | Clark | WA | 45°46′49″N 122°35′54″W﻿ / ﻿45.7804°N 122.5982°W﻿ / 45.7804; -122.5982﻿ (Battle Ground (Sept. 27, EF0)) | 02:06–02:21 | 3.9 mi (6.3 km) | 240 yd (220 m) | Trees were snapped or uprooted. A tree fell onto an RV, and some falling trees damaged fences. |