A line of severe thunderstorms moved southeast into northern Illinois from Wisconsin during the early morning hours of Tuesday July 15th.  Several trees, large tree limbs and power lines were blown down across northeast Winnebago county.  A woman was trapped in her home near Roscoe from fallen power lines that surrounded her home.  Four 35 foot light posts were blown down and two construction trailers were damaged near Prairie Rose.  A large metal roof was ripped off a building in Roscoe.  Numerous trees were blown down in Belvidere in Boone county.  Large tree limbs were blown down in Crystal Lake in McHenry County and large tree limbs were blown down in Franklin Park in Cook county.  A lightning strike damaged several pieces of equipment at the Batavia Emergency Service Center.  Power lines were blown down in Carpentersville in Kane county.  A gust to 62 mph was reported on the west side of Chicago.  Winds gusted to 70 mph across Joliet and Plainfield in Will county.  Several trees, large tree limbs and power lines were blown down and a construction trailer was demolished near Shorewood.  Hail was reported across many locations of Northern Illinois with the largest hail reported across Will county.  There was also minor flooding reported across parts of Joliet in Will county and along Route 47 near Morris in Grundy county.  Rainfall ranged between one and two inches in less than an hour across parts of Will and Grundy counties.  Lightning struck a wooden storage shed in Naperville in Dupage county.  The shed contained tools, copper tubing and other materials that were quickly consumed by fire.

Thunderstorm Wind in MCHENRY, ILLINOIS
From 15-JUL-03 02:35:00 to 15-JUL-03 02:35:00 (CST)
Location: CRYSTAL LAKE
Magnitude: 50 EG
Reported by: GENERAL PUBLIC

Hail in DU PAGE, ILLINOIS
From 15-JUL-03 03:45:00 to 15-JUL-03 03:50:00 (CST)
Location: WHEATON
Magnitude: 1.00 
Reported by: GENERAL PUBLIC

Thunderstorm Wind in COOK, ILLINOIS
From 15-JUL-03 02:30:00 to 15-JUL-03 02:30:00 (CST)
Location: FRANKLIN PARK
Magnitude: 50 EG
Reported by: GENERAL PUBLIC

Hail in COOK, ILLINOIS
From 15-JUL-03 03:22:00 to 15-JUL-03 03:27:00 (CST)
Location: SCHAUMBURG
Magnitude: 0.75 
Reported by: TRAINED SPOTTER

Reported at Weathersfield Way and Walnut.

Hail in WILL, ILLINOIS
From 15-JUL-03 05:45:00 to 15-JUL-03 05:50:00 (CST)
Location: JOLIET
Magnitude: 1.75 
Reported by: GENERAL PUBLIC

Golf ball size hail was reported at Glenwood Avenue and Springfield Avenue.

Lightning in DU PAGE, ILLINOIS
From 15-JUL-03 03:52:00 to 15-JUL-03 03:52:00 (CST)
Location: NAPERVILLE
Property damage: 9K
Reported by: NEWSPAPER

Thunderstorm Wind in BOONE, ILLINOIS
From 15-JUL-03 02:15:00 to 15-JUL-03 02:15:00 (CST)
Location: BELVIDERE
Magnitude: 55 EG
Property damage: 6K
Reported by: NEWSPAPER

Hail in DU PAGE, ILLINOIS
From 15-JUL-03 03:35:00 to 15-JUL-03 03:40:00 (CST)
Location: ELMHURST
Magnitude: 1.00 
Reported by: GENERAL PUBLIC

Reported at Interstate 290 and Route 83.

Hail in COOK, ILLINOIS
From 15-JUL-03 04:05:00 to 15-JUL-03 04:05:00 (CST)
Location: CHICAGO
Magnitude: 0.75 
Reported by: GENERAL PUBLIC

Thunderstorm Wind in WILL, ILLINOIS
From 15-JUL-03 04:15:00 to 15-JUL-03 04:15:00 (CST)
Location: JOLIET
Magnitude: 60 EG
Reported by: GENERAL PUBLIC

Hail in KANE, ILLINOIS
From 15-JUL-03 03:05:00 to 15-JUL-03 03:10:00 (CST)
Location: CARPENTERSVILLE
Magnitude: 1.00 
Reported by: GENERAL PUBLIC

Thunderstorm Wind in COOK, ILLINOIS
From 15-JUL-03 04:12:00 to 15-JUL-03 04:12:00 (CST)
Location: CHICAGO
Magnitude: 52 EG
Reported by: TRAINED SPOTTER

Thunderstorm Wind in WINNEBAGO, ILLINOIS
From 15-JUL-03 02:00:00 to 15-JUL-03 02:10:00 (CST)
Location: ROCKTON
Magnitude: 55 EG
Reported by: NEWSPAPER

Thunderstorm Wind in KANE, ILLINOIS
From 15-JUL-03 03:05:00 to 15-JUL-03 03:05:00 (CST)
Location: CARPENTERSVILLE
Magnitude: 50 EG
Reported by: GENERAL PUBLIC

Hail in KENDALL, ILLINOIS
From 15-JUL-03 04:15:00 to 15-JUL-03 05:20:00 (CST)
Location: YORKVILLE
Magnitude: 0.75 
Reported by: EMERGENCY MANAGER

Hail in WILL, ILLINOIS
From 15-JUL-03 03:50:00 to 15-JUL-03 03:50:00 (CST)
Location: BOLINGBROOK
Magnitude: 1.75 
Reported by: LAW ENFORCEMENT

Lightning in KANE, ILLINOIS
From 15-JUL-03 03:00:00 to 15-JUL-03 03:00:00 (CST)
Location: BATAVIA
Property damage: 10K
Reported by: NEWSPAPER

Hail in WILL, ILLINOIS
From 15-JUL-03 04:33:00 to 15-JUL-03 04:38:00 (CST)
Location: JOLIET
Magnitude: 1.00 
Reported by: EMERGENCY MANAGER

Hail in DU PAGE, ILLINOIS
From 15-JUL-03 04:15:00 to 15-JUL-03 04:20:00 (CST)
Location: ROSELLE
Magnitude: 0.75 
Reported by: TRAINED SPOTTER

Reported at Central Avenue and Garden Avenue.

Thunderstorm Wind in COOK, ILLINOIS
From 15-JUL-03 04:00:00 to 15-JUL-03 04:00:00 (CST)
Location: CHICAGO
Magnitude: 54 EG
Reported by: GENERAL PUBLIC

Hail in WILL, ILLINOIS
From 15-JUL-03 04:05:00 to 15-JUL-03 04:20:00 (CST)
Location: PLAINFIELD
Magnitude: 2.00 
Reported by: GENERAL PUBLIC

Hail was reported across many locations in Plainfield and Joliet.  The largest hail reported was 2 inch diameter at Bronk Road near Canton Farm Road in Plainfield.  Walnut size hail, 1.5 inch diameter, was reported at Renwick Road and Route 30.  Hail 1.25 inches in diameter was reported at Canton Farm Road and Route 59 and on the west side of Joliet.  Penny, nickel, and quarter size hail was reported across several locations.

Hail in DU PAGE, ILLINOIS
From 15-JUL-03 03:55:00 to 15-JUL-03 04:00:00 (CST)
Location: DARIEN
Magnitude: 1.00 
Reported by: GENERAL PUBLIC

Reported at 75th Street and Cass Avenue.