During the late afternoon and evening of June 24th, a bow echo raced across northern Illinois causing widespread wind damage and spawning at least one tornado.

Thunderstorm Wind in GRUNDY, ILLINOIS
From 24-JUN-13 16:32:00 to 24-JUN-13 16:32:00 (CST-6)
Location: MAZON
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A large tree was snapped at the base.

Thunderstorm Wind in WILL, ILLINOIS
From 24-JUN-13 16:40:00 to 24-JUN-13 16:41:00 (CST-6)
Location: PLAINFIELD CLOW ARPT
Magnitude: 65.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large exit sign was blown over near I-355 and I-55.  Several trees were blown down including approximately 6 trees that were around a foot in diameter.  Shingles were peeled off the roofs of houses.  A sun room collapsed in one house.  A fence was blown down about a mile west of the intersection of Weber Road and Boughton Road.  A two foot tree was blown down near Pinecrest Road and Briarcliff Road.

Thunderstorm Wind in COOK, ILLINOIS
From 24-JUN-13 16:55:00 to 24-JUN-13 16:55:00 (CST-6)
Location: OAK FOREST
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A 6 inch diameter tree was snapped.

Thunderstorm Wind in WILL, ILLINOIS
From 24-JUN-13 17:04:00 to 24-JUN-13 17:04:00 (CST-6)
Location: PARK FOREST SOUTH
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in WILL, ILLINOIS
From 24-JUN-13 16:59:00 to 24-JUN-13 16:59:00 (CST-6)
Location: FRANKLIN SQUARE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A large tree approximately 8 to 10 inches in diameter was blown down near South Harlem Avenue and Prestwick Drive.

Thunderstorm Wind in KANKAKEE, ILLINOIS
From 24-JUN-13 17:07:00 to 24-JUN-13 17:07:00 (CST-6)
Location: BOURBONNAIS
Magnitude: 52.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Trained Spotter

A 4.5 inch diameter tree limb fell onto a fence.

Thunderstorm Wind in WILL, ILLINOIS
From 24-JUN-13 16:52:00 to 24-JUN-13 16:52:00 (CST-6)
Location: CHERRY HILL
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in WILL, ILLINOIS
From 24-JUN-13 16:40:00 to 24-JUN-13 16:45:00 (CST-6)
Location: CRYSTAL LAWNS
Magnitude: 55.00 EG
Property damage: 800.00K
Crop damage: 0.00K
Reported by: County Official

Hundreds of trees were blown down across Joliet, including some that fell onto structures.  Nineteen power lines were blown down.  There were 56 road closures across town due to debris.

Thunderstorm Wind in WILL, ILLINOIS
From 24-JUN-13 17:08:00 to 24-JUN-13 17:08:00 (CST-6)
Location: CRETE
Magnitude: 66.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Winds gusting to 76 mph were measured by a handheld anemometer on top of a two story building.  A two foot diameter tree snapped off about 15 feet from the base of the tree.  A large tree fell onto a powerline on the 1400 block of Douglas Lane.  The tree caught on fire.

Thunderstorm Wind in KANKAKEE, ILLINOIS
From 24-JUN-13 17:14:00 to 24-JUN-13 17:14:00 (CST-6)
Location: BOURBONNAIS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large tree limbs fell onto power lines at Route 113 and Tower Road.  The downed lines caused a small grass fire.

Thunderstorm Wind in FORD, ILLINOIS
From 24-JUN-13 17:40:00 to 24-JUN-13 17:40:00 (CST-6)
Location: GIBSON CITY
Magnitude: 60.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A row of power lines were blown down into a field south of Route 9 along County Road 300E.  A Large tree was uprooted across Route 54.

Thunderstorm Wind in KANKAKEE, ILLINOIS
From 24-JUN-13 17:25:00 to 24-JUN-13 17:25:00 (CST-6)
Location: MOMENCE
Magnitude: 60.00 MG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous large trees were uprooted with a small limb falling onto a car near Wilbur Street and Chatfield Street.  A pine tree fell on and damaged a front porch near 2nd Street and Pine Street.

Thunderstorm Wind in FORD, ILLINOIS
From 24-JUN-13 17:46:00 to 24-JUN-13 17:46:00 (CST-6)
Location: ELLIOTT
Magnitude: 55.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Power lines were blown down and a power pole was broken near the intersection of 1000E and 100N.

Lightning in WILL, ILLINOIS
From 24-JUN-13 17:00:00 to 24-JUN-13 17:00:00 (CST-6)
Location: JOLIET
Property damage: 150.00K
Crop damage: 0.00K
Reported by: County Official

A natural gas transmission facility was struck by lightning resulting in the building catching on fire.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 24-JUN-13 16:53:00 to 24-JUN-13 16:53:00 (CST-6)
Location: BURR RIDGE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Large trees were blown down near Route 83 and Interstate 55.  A 14 inch diameter tree was blown down between Midway Drive and 79th Street just north of Interstate 55.

Tornado in LEE, ILLINOIS
From 24-JUN-13 15:32:00 to 24-JUN-13 15:36:00 (CST-6)
Location: HARMON
Tornado F-scale: EF0
Property damage: 10.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado mainly traveled over farm fields but did take down numerous utility poles, including a few that were bent sharply to the south, opposite of the storm motion which was to the northeast.  A weakly constructed barn was destroyed near the end of the path.

Thunderstorm Wind in LEE, ILLINOIS
From 24-JUN-13 15:29:00 to 24-JUN-13 15:42:00 (CST-6)
Location: HARMON
Magnitude: 87.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Winds were estimated in excess of 80 mph and upwards of 100 mph for a 13 mile swath.  A large outbuilding bolted to its foundation was destroyed.  One part of the barn wall was lifted taking a portion of the foundation with it. Numerous large trees were snapped or uprooted, including one that fell onto the front portion of a house.  In Walton, four large grain storage bins were destroyed.  Also in Walton, a metal outbuilding was destroyed with debris thrown over 200 yards.  Shingle damage was also noted on a few homes.

Thunderstorm Wind in LEE, ILLINOIS
From 24-JUN-13 15:40:00 to 24-JUN-13 15:40:00 (CST-6)
Location: SUBLETTE
Magnitude: 65.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Up to 18 inch diameter trees were blown down as well as numerous power lines.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 24-JUN-13 15:44:00 to 24-JUN-13 15:44:00 (CST-6)
Location: MENDOTA
Magnitude: 74.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

Numerous large trees and branches were blown down across town.  A free standing light pole was blown down at the high school.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 24-JUN-13 15:50:00 to 24-JUN-13 15:50:00 (CST-6)
Location: TROY GROVE
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees were blown down near Troy Grove and Triumph.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 24-JUN-13 16:00:00 to 24-JUN-13 16:05:00 (CST-6)
Location: TONICA
Magnitude: 65.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Public

A semi was overturned on Interstate 39.  Widespread tree damage occurred in Tonica.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 24-JUN-13 16:00:00 to 24-JUN-13 16:10:00 (CST-6)
Location: OTTAWA
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Winds were measured to 62 mph at a mesonet site approximately a mile south-southwest of Ottawa.  Large trees were uprooted on the south side of Ottawa.

Thunderstorm Wind in DE KALB, ILLINOIS
From 24-JUN-13 16:11:00 to 24-JUN-13 16:11:00 (CST-6)
Location: SANDWICH
Magnitude: 65.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Sandwich Police reported numerous trees and power lines blown down.  One tree fell on a vehicle, but the occupant was not harmed.

Thunderstorm Wind in LA SALLE, ILLINOIS
From 24-JUN-13 15:55:00 to 24-JUN-13 15:55:00 (CST-6)
Location: PERU
Magnitude: 60.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A semi truck was flipped over by winds on Interstate 80 near mile marker 75.

Thunderstorm Wind in DE KALB, ILLINOIS
From 24-JUN-13 16:15:00 to 24-JUN-13 16:20:00 (CST-6)
Location: WILKINSON
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winds were estimated to 60 mph near Bethany Road and 1st Street.  Small newly planted trees were blown down.  Powerlines were also blown down in the city of DeKalb.

Thunderstorm Wind in GRUNDY, ILLINOIS
From 24-JUN-13 16:30:00 to 24-JUN-13 16:30:00 (CST-6)
Location: MINOOKA
Magnitude: 65.00 EG
Property damage: 60.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Two semi trucks were blown over on Interstate 80 near Ridge Road.  A tree was blown onto a house in Minooka.

Thunderstorm Wind in KANE, ILLINOIS
From 24-JUN-13 16:30:00 to 24-JUN-13 16:30:00 (CST-6)
Location: LOVEDALE
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

An 18 to 24 inch diameter tree snapped near the base and was leaning against a house.  Numerous smaller branches were blown down on the west side of Aurora.

Thunderstorm Wind in KENDALL, ILLINOIS
From 24-JUN-13 16:33:00 to 24-JUN-13 16:33:00 (CST-6)
Location: OSWEGO
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A large tree was uprooted on Fox Bend Golf Course off of Ogden Avenue.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 24-JUN-13 16:40:00 to 24-JUN-13 16:40:00 (CST-6)
Location: BOLINGBROOK
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A roof was damaged near 104th Street and Plainfield Road.  A Street was blocked by 6-inch branches near Charles Street and Chicago Avenue.

Thunderstorm Wind in KANE, ILLINOIS
From 24-JUN-13 16:37:00 to 24-JUN-13 16:37:00 (CST-6)
Location: ELGIN ARPT
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Heavy tree damage was reported near Cooper Avenue including power lines down.

Thunderstorm Wind in WILL, ILLINOIS
From 24-JUN-13 16:40:00 to 24-JUN-13 16:40:00 (CST-6)
Location: WOLFS
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in WILL, ILLINOIS
From 24-JUN-13 16:40:00 to 24-JUN-13 16:41:00 (CST-6)
Location: BARBERS CORNERS
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous tree limbs up to six inches in diameter were snapped on Grand Canyon Drive near Arrowhead Lane.

Thunderstorm Wind in WILL, ILLINOIS
From 24-JUN-13 16:41:00 to 24-JUN-13 16:41:00 (CST-6)
Location: LOCKPORT LEWIS ARPT
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Thunderstorm Wind in WILL, ILLINOIS
From 24-JUN-13 16:43:00 to 24-JUN-13 16:43:00 (CST-6)
Location: PRESTWICK
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winds to 58 mph were measured near Wolf Road and Highway 30.

Thunderstorm Wind in WILL, ILLINOIS
From 24-JUN-13 16:41:00 to 24-JUN-13 16:41:00 (CST-6)
Location: NORMANTOWN
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Six inch diameter trees were snapped at the base near 135th Street and Van Dyke Road.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 24-JUN-13 16:49:00 to 24-JUN-13 16:49:00 (CST-6)
Location: DOWNERS GROVE
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A gust to 59 mph was measured at Whittier School.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 24-JUN-13 16:50:00 to 24-JUN-13 16:50:00 (CST-6)
Location: WESTMONT
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A 12 inch diameter tree snapped at the base.

Thunderstorm Wind in WILL, ILLINOIS
From 24-JUN-13 16:52:00 to 24-JUN-13 16:52:00 (CST-6)
Location: NEW LENOX
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A 6 inch diameter tree branch was blown down.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 24-JUN-13 16:53:00 to 24-JUN-13 16:53:00 (CST-6)
Location: HINSDALE
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A gust to 61 mph was measured at Hinsdale Middle School.

Thunderstorm Wind in COOK, ILLINOIS
From 24-JUN-13 17:00:00 to 24-JUN-13 17:00:00 (CST-6)
Location: PARK RIDGE
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A six inch tree was blown down and was blocking the road near Oakton Street and Algonquin Road.  A four foot diameter tree was snapped at the base near Golf Road and Washington Road.

Thunderstorm Wind in COOK, ILLINOIS
From 24-JUN-13 16:55:00 to 24-JUN-13 16:55:00 (CST-6)
Location: OAK LAWN
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tree branches were reported down across Oak Lawn.  Winds were estimated to 60 mph.

Thunderstorm Wind in COOK, ILLINOIS
From 24-JUN-13 16:55:00 to 24-JUN-13 16:55:00 (CST-6)
Location: BRIDGEVIEW
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Thunderstorm Wind in WILL, ILLINOIS
From 24-JUN-13 17:00:00 to 24-JUN-13 17:00:00 (CST-6)
Location: PEOTONE
Magnitude: 65.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A semi was lifted upwards of 10 feet into the air and blown over on Interstate 57 near the northbound rest area.

Thunderstorm Wind in COOK, ILLINOIS
From 24-JUN-13 17:00:00 to 24-JUN-13 17:03:00 (CST-6)
Location: WESTERN SPGS
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winds were estimated to near 70 mph caused extensive tree damage in the communities of Western Springs, La Grange, and Riverside.  Extensive tree damage was reported along the railroad.  A six inch diameter tree was blown down at 55th Street and La Grange Road.  A six inch diameter tree limb was blown down on the 2300 block of 1st Avenue.  Multiple lanes were blocked.

Thunderstorm Wind in COOK, ILLINOIS
From 24-JUN-13 17:00:00 to 24-JUN-13 17:00:00 (CST-6)
Location: (MDW)MIDWAY ARPT CHI
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in COOK, ILLINOIS
From 24-JUN-13 17:00:00 to 24-JUN-13 17:03:00 (CST-6)
Location: EAST HAZEL CREST
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nearly continuous winds estimated to 70 mph were reported.  A 6 inch tree limb was blown down onto a deck.  Numerous tree limbs were blown down across Homewood.