Severe storms moved across northern Illinois during the late afternoon and evening hours of October 18th.

Lightning in COOK, ILLINOIS
From 18-OCT-07 18:00:00 to 18-OCT-07 18:00:00 (CST-6)
Location: MC COOK
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A 14 year old boy was struck by lightning while riding his bike in an alley near the 6600 block of Archer Avenue.  The boy only suffered minor injuries, including a welt on his back.  Doctors believe he suffered an indirect lightning strike after the bolt hit something near him.

Hail in WILL, ILLINOIS
From 18-OCT-07 16:45:00 to 18-OCT-07 16:47:00 (CST-6)
Location: FRANKLIN SQUARE
Magnitude: 0.88 
Property damage: 30.00K
Crop damage: 0.00K
Reported by: Public

Several homes had roof and siding damage in Frankfort Square.

Hail in COOK, ILLINOIS
From 18-OCT-07 16:44:00 to 18-OCT-07 16:46:00 (CST-6)
Location: CHICAGO RIDGE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in IROQUOIS, ILLINOIS
From 18-OCT-07 17:14:00 to 18-OCT-07 17:16:00 (CST-6)
Location: DANFORTH
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in COOK, ILLINOIS
From 18-OCT-07 17:19:00 to 18-OCT-07 17:21:00 (CST-6)
Location: BLUE IS
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in COOK, ILLINOIS
From 18-OCT-07 17:46:00 to 18-OCT-07 17:48:00 (CST-6)
Location: CHICAGO RIDGE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorm Wind in WILL, ILLINOIS
From 18-OCT-07 16:40:00 to 18-OCT-07 16:40:00 (CST-6)
Location: WILMINGTON
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Hail in COOK, ILLINOIS
From 18-OCT-07 16:32:00 to 18-OCT-07 16:34:00 (CST-6)
Location: BLUE IS
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel size hail was reported at 115th and Kedzie in Marionette Park.

Thunderstorm Wind in COOK, ILLINOIS
From 18-OCT-07 16:33:00 to 18-OCT-07 16:33:00 (CST-6)
Location: CHICAGO
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A gust to 60 mph was measured at the Lasalle Bank building.

Thunderstorm Wind in COOK, ILLINOIS
From 18-OCT-07 17:14:00 to 18-OCT-07 17:14:00 (CST-6)
Location: MIDLOTHIAN
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A gust to 72 mph was measured at 147th and Cicero.

Hail in COOK, ILLINOIS
From 18-OCT-07 16:35:00 to 18-OCT-07 16:37:00 (CST-6)
Location: CHICAGO
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel size hail was reported at Michigan Avenue and the Chicago River.

Hail in WILL, ILLINOIS
From 18-OCT-07 16:42:00 to 18-OCT-07 16:44:00 (CST-6)
Location: WILMINGTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Penny size hail was reported at Interstate 55 and the Kankakee River.

Hail in WILL, ILLINOIS
From 18-OCT-07 16:44:00 to 18-OCT-07 16:47:00 (CST-6)
Location: JOLIET
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Golfball size hail was reported on the east side of Joliet.

Hail in COOK, ILLINOIS
From 18-OCT-07 17:11:00 to 18-OCT-07 17:13:00 (CST-6)
Location: OAK FOREST
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel size hail was reported at 167th and Cicero.

Hail in COOK, ILLINOIS
From 18-OCT-07 17:13:00 to 18-OCT-07 17:15:00 (CST-6)
Location: MIDLOTHIAN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail was reported at 147th and Cicero.

Hail in COOK, ILLINOIS
From 18-OCT-07 16:21:00 to 18-OCT-07 16:23:00 (CST-6)
Location: ALSIP
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail was reported on Interstate 294.

Hail in GRUNDY, ILLINOIS
From 18-OCT-07 16:30:00 to 18-OCT-07 16:32:00 (CST-6)
Location: COAL CITY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in COOK, ILLINOIS
From 18-OCT-07 16:31:00 to 18-OCT-07 16:33:00 (CST-6)
Location: CHICAGO
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny size hail was reported in the Loop.

Thunderstorm Wind in COOK, ILLINOIS
From 18-OCT-07 16:17:00 to 18-OCT-07 16:17:00 (CST-6)
Location: CHICAGO RIDGE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large tree limbs were blown down at Corn Moody and Birmingham.

Thunderstorm Wind in COOK, ILLINOIS
From 18-OCT-07 16:30:00 to 18-OCT-07 16:30:00 (CST-6)
Location: CHICAGO
Magnitude: 55.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous windows were blown out in a lobby of River Plaza Condominiums in downtown Chicago.  One person was injured by flying glass.

Thunderstorm Wind in KANKAKEE, ILLINOIS
From 18-OCT-07 17:50:00 to 18-OCT-07 17:50:00 (CST-6)
Location: GRANT PARK
Magnitude: 57.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winds were estimated at 66 mph and an eight inch diameter tree limb was blown down.

Thunderstorm Wind in KANKAKEE, ILLINOIS
From 18-OCT-07 17:50:00 to 18-OCT-07 17:50:00 (CST-6)
Location: MOMENCE
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Numerous large trees were blown down.

Hail in WILL, ILLINOIS
From 18-OCT-07 16:39:00 to 18-OCT-07 16:41:00 (CST-6)
Location: WILMINGTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny size hail was reported at Interstate 55 and Lorenzo Road.

Hail in WILL, ILLINOIS
From 18-OCT-07 16:40:00 to 18-OCT-07 16:45:00 (CST-6)
Location: WILMINGTON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement