A cold front draped from the upper James River Valley down into south central South Dakota triggered a severe thunderstorm during the early afternoon across north central South Dakota, and then a more significant and widespread bowing line of thunderstorms from central into northeastern South Dakota during the evening. The environment featured hot temperatures in the 80s and 90s and muggy conditions. The main thunderstorm complex produced straight-line winds of 60 to 85 mph, including a measured gust of 85 mph three miles south of Bunker, 82 mph ten miles southwest of the Chantler Creek Rec area, 80 mph eighteen miles south of Seneca, and 79 mph at the Pierre Regional Airport. There were several reports of property damage including numerous uprooted or damaged trees.

Thunderstorm Wind in STANLEY, SOUTH DAKOTA
From 20-JUN-22 16:52:00 to 20-JUN-22 16:52:00 (MST-7)
Location: BUNKER
Magnitude: 74.00 MG
Reported by: Public

A personal weather station recorded a peak wind gust of 85 mph.

Thunderstorm Wind in STANLEY, SOUTH DAKOTA
From 20-JUN-22 17:25:00 to 20-JUN-22 17:25:00 (MST-7)
Location: LACY
Magnitude: 71.00 MG
Reported by: Mesonet

Thunderstorm Wind in DEWEY, SOUTH DAKOTA
From 20-JUN-22 10:30:00 to 20-JUN-22 10:30:00 (MST-7)
Location: LANTRY
Magnitude: 52.00 EG
Reported by: Trained Spotter

Nickel hail was observed in addition to the severe wind.

Thunderstorm Wind in DEWEY, SOUTH DAKOTA
From 20-JUN-22 10:34:00 to 20-JUN-22 10:34:00 (MST-7)
Location: LANTRY
Magnitude: 52.00 EG
Reported by: Public

This report came from mPING, and indicated that one inch tree limbs were broken and/or shingles were blown off.

Thunderstorm Wind in DAY, SOUTH DAKOTA
From 20-JUN-22 20:46:00 to 20-JUN-22 20:46:00 (CST-6)
Location: LILY
Magnitude: 54.00 MG
Reported by: Public

The wind was recorded by a personal weather station.

Thunderstorm Wind in CLARK, SOUTH DAKOTA
From 20-JUN-22 20:50:00 to 20-JUN-22 20:50:00 (CST-6)
Location: VIENNA
Magnitude: 52.00 EG
Reported by: Trained Spotter

Wind gusts were estimated to be 60 mph.

Hail in DAY, SOUTH DAKOTA
From 20-JUN-22 21:00:00 to 20-JUN-22 21:00:00 (CST-6)
Location: WEBSTER MUNI ARPT
Magnitude: 1.00 
Reported by: Trained Spotter

Thunderstorm Wind in HUGHES, SOUTH DAKOTA
From 20-JUN-22 19:01:00 to 20-JUN-22 19:01:00 (CST-6)
Location: HARROLD ARPT
Magnitude: 53.00 MG
Reported by: Mesonet

Thunderstorm Wind in DEUEL, SOUTH DAKOTA
From 20-JUN-22 19:30:00 to 20-JUN-22 19:30:00 (CST-6)
Location: TORONTO
Magnitude: 52.00 EG
Reported by: Emergency Manager

Several 2 to 4 inch tree branches were downed in town. The time of the wind was estimated based on radar.

Hail in HAND, SOUTH DAKOTA
From 20-JUN-22 19:40:00 to 20-JUN-22 19:40:00 (CST-6)
Location: VAYLAND
Magnitude: 1.75 
Reported by: Trained Spotter

Thunderstorm Wind in FAULK, SOUTH DAKOTA
From 20-JUN-22 20:00:00 to 20-JUN-22 20:00:00 (CST-6)
Location: NORBECK
Magnitude: 58.00 EG
Reported by: Public

The wind was recorded by a personal weather station.

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 20-JUN-22 20:31:00 to 20-JUN-22 20:31:00 (CST-6)
Location: (ABR)ABERDEEN RGNL A
Magnitude: 58.00 MG
Reported by: ASOS

Thunderstorm Wind in CLARK, SOUTH DAKOTA
From 20-JUN-22 20:53:00 to 20-JUN-22 20:53:00 (CST-6)
Location: ELROD
Magnitude: 56.00 MG
Reported by: Mesonet

Thunderstorm Wind in ROBERTS, SOUTH DAKOTA
From 20-JUN-22 21:27:00 to 20-JUN-22 21:27:00 (CST-6)
Location: PEEVER
Magnitude: 56.00 MG
Reported by: Mesonet

Thunderstorm Wind in HUGHES, SOUTH DAKOTA
From 20-JUN-22 18:49:00 to 20-JUN-22 18:49:00 (CST-6)
Location: BLUNT
Magnitude: 63.00 MG
Reported by: Mesonet

Thunderstorm Wind in HYDE, SOUTH DAKOTA
From 20-JUN-22 19:08:00 to 20-JUN-22 19:08:00 (CST-6)
Location: STEPHAN
Magnitude: 51.00 MG
Reported by: Mesonet

Thunderstorm Wind in HYDE, SOUTH DAKOTA
From 20-JUN-22 19:25:00 to 20-JUN-22 19:25:00 (CST-6)
Location: HOLABIRD
Magnitude: 70.00 EG
Reported by: Public

The public report was relayed by emergency management.

Thunderstorm Wind in STANLEY, SOUTH DAKOTA
From 20-JUN-22 17:32:00 to 20-JUN-22 17:32:00 (MST-7)
Location: FT PIERRE
Magnitude: 63.00 MG
Reported by: Mesonet

Thunderstorm Wind in HUGHES, SOUTH DAKOTA
From 20-JUN-22 18:27:00 to 20-JUN-22 18:27:00 (CST-6)
Location: (PIR)PIERRE ARPT
Magnitude: 69.00 MG
Reported by: ASOS

Thunderstorm Wind in HUGHES, SOUTH DAKOTA
From 20-JUN-22 18:33:00 to 20-JUN-22 18:33:00 (CST-6)
Location: PIERRE
Magnitude: 53.00 MG
Reported by: Mesonet

Thunderstorm Wind in ROBERTS, SOUTH DAKOTA
From 20-JUN-22 21:27:00 to 20-JUN-22 21:27:00 (CST-6)
Location: SISSETON ARPT
Magnitude: 50.00 MG
Reported by: ASOS

Thunderstorm Wind in GRANT, SOUTH DAKOTA
From 20-JUN-22 21:35:00 to 20-JUN-22 21:35:00 (CST-6)
Location: MILBANK
Magnitude: 78.00 EG
Reported by: Emergency Manager

Significant straight-line wind snapped and uprooted many trees at the cemetery northeast of Milbank. It also destroyed a two-stall shed and another outbuilding had roof damage.

Thunderstorm Wind in CAMPBELL, SOUTH DAKOTA
From 20-JUN-22 13:28:00 to 20-JUN-22 13:28:00 (CST-6)
Location: POLLOCK
Magnitude: 61.00 EG
Reported by: COOP Observer

A tree was blown down onto a deck, a grain auger was tipped over, and some shingles blew off of multiple roofs.

Thunderstorm Wind in STANLEY, SOUTH DAKOTA
From 20-JUN-22 17:21:00 to 20-JUN-22 17:21:00 (MST-7)
Location: LACY
Magnitude: 62.00 MG
Reported by: Mesonet

Thunderstorm Wind in DEWEY, SOUTH DAKOTA
From 20-JUN-22 17:30:00 to 20-JUN-22 17:30:00 (MST-7)
Location: TIMBER LAKE ARPT
Magnitude: 50.00 MG
Reported by: Mesonet

Thunderstorm Wind in HYDE, SOUTH DAKOTA
From 20-JUN-22 19:30:00 to 20-JUN-22 19:30:00 (CST-6)
Location: HIGHMORE ARPT
Magnitude: 69.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in LYMAN, SOUTH DAKOTA
From 20-JUN-22 18:45:00 to 20-JUN-22 18:45:00 (CST-6)
Location: KENNEBEC
Magnitude: 50.00 MG
Reported by: Mesonet

Thunderstorm Wind in BROWN, SOUTH DAKOTA
From 20-JUN-22 20:33:00 to 20-JUN-22 20:33:00 (CST-6)
Location: RICHMOND
Magnitude: 61.00 MG
Reported by: Mesonet

Thunderstorm Wind in EDMUNDS, SOUTH DAKOTA
From 20-JUN-22 20:00:00 to 20-JUN-22 20:00:00 (CST-6)
Location: LOYALTON
Magnitude: 55.00 MG
Reported by: Mesonet

Thunderstorm Wind in CODINGTON, SOUTH DAKOTA
From 20-JUN-22 21:12:00 to 20-JUN-22 21:12:00 (CST-6)
Location: HENRY
Magnitude: 52.00 EG
Reported by: Public

One inch tree branches were downed by the wind.

Thunderstorm Wind in CODINGTON, SOUTH DAKOTA
From 20-JUN-22 21:12:00 to 20-JUN-22 21:12:00 (CST-6)
Location: (ATY)WATERTOWN ARPT
Magnitude: 58.00 MG
Reported by: ASOS

Thunderstorm Wind in DEUEL, SOUTH DAKOTA
From 20-JUN-22 21:24:00 to 20-JUN-22 21:24:00 (CST-6)
Location: TUNERVILLE
Magnitude: 52.00 MG
Reported by: Mesonet