A line of severe thunderstorms moved from Iowa into northwest Illinois during the mid afternoon hours and then raced east across northern Illinois producing damaging winds as high as 90 mph.  These thunderstorms produced widespread wind and tree damage across northern Illinois. More than half a million customers lost power during the storms.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-JUN-10 14:55:00 to 18-JUN-10 14:55:00 (CST-6)
Location: ADDISON
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-JUN-10 14:51:00 to 18-JUN-10 14:51:00 (CST-6)
Location: WILLOWBROOK
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Numerous trees limbs were blown down near 75th Street and Cass Avenue.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:00:00 to 18-JUN-10 15:00:00 (CST-6)
Location: ELK GROVE VLG
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Four inch diameter tree limbs were blown down.

Thunderstorm Wind in KANE, ILLINOIS
From 18-JUN-10 14:40:00 to 18-JUN-10 14:40:00 (CST-6)
Location: ELGIN
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A one foot diameter tree was snapped off 10 feet above the ground. Three houses were damaged by falling limbs in Elgin.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:10:00 to 18-JUN-10 15:10:00 (CST-6)
Location: OAK LAWN
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tree limbs were blown down near Southwest Highway and 53rd Court with estimated wind gusts to 75 mph.

Thunderstorm Wind in LAKE, ILLINOIS
From 18-JUN-10 15:00:00 to 18-JUN-10 15:00:00 (CST-6)
Location: MUNDELEIN
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

One tree was uprooted and numerous tree limbs were blown down.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:10:00 to 18-JUN-10 15:10:00 (CST-6)
Location: BURBANK
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Widespread tree damage was reported near 90th Street and Ridgeland Avenue.  A flag pole was snapped off.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:15:00 to 18-JUN-10 15:15:00 (CST-6)
Location: HOMEWOOD
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large trees and large tree limbs were blown down with estimated wind gusts to 70 mph.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-JUN-10 14:50:00 to 18-JUN-10 14:50:00 (CST-6)
Location: WOODRIDGE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated to 70 mph near 75th Street and Lemont Road.

Thunderstorm Wind in WILL, ILLINOIS
From 18-JUN-10 14:50:00 to 18-JUN-10 14:50:00 (CST-6)
Location: JOLIET
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated to 60 mph.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-JUN-10 14:42:00 to 18-JUN-10 14:42:00 (CST-6)
Location: NAPERVILLE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Tree limbs were blown down. A man was injured when a tree fell on his car. A woman was injured by a falling tree limb.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 14:50:00 to 18-JUN-10 14:50:00 (CST-6)
Location: BARRINGTON HILLS
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Six inch diameter tree limbs were blown down.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:04:00 to 18-JUN-10 15:04:00 (CST-6)
Location: (ORD)O'HARE INTL ARP
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in LA SALLE, ILLINOIS
From 18-JUN-10 14:18:00 to 18-JUN-10 14:18:00 (CST-6)
Location: LA SALLE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated as high as 70 mph.

Hail in KANE, ILLINOIS
From 18-JUN-10 14:24:00 to 18-JUN-10 14:26:00 (CST-6)
Location: HENPECK
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Quarter size hail was reported near Route 47 and Big Timber Road.

Thunderstorm Wind in DE KALB, ILLINOIS
From 18-JUN-10 14:10:00 to 18-JUN-10 14:10:00 (CST-6)
Location: DE KALB
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in MCHENRY, ILLINOIS
From 18-JUN-10 14:30:00 to 18-JUN-10 14:30:00 (CST-6)
Location: ALDEN
Magnitude: 60.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees and power lines were blown down with trees blocking some roads.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 14:47:00 to 18-JUN-10 14:47:00 (CST-6)
Location: HANOVER PARK
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated to 60 mph near Irving Park Road and Route 59.

Thunderstorm Wind in LIVINGSTON, ILLINOIS
From 18-JUN-10 14:50:00 to 18-JUN-10 14:50:00 (CST-6)
Location: LONG PT
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Tree limbs were blown down.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-JUN-10 14:50:00 to 18-JUN-10 14:50:00 (CST-6)
Location: DOWNERS GROVE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

An 18 inch diameter tree limb was blown down near Lincoln and Fairview Avenues.

Thunderstorm Wind in MCHENRY, ILLINOIS
From 18-JUN-10 14:40:00 to 18-JUN-10 14:40:00 (CST-6)
Location: HEBRON
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees were blown down blocking roads.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-JUN-10 14:45:00 to 18-JUN-10 14:45:00 (CST-6)
Location: (DPA)DUPAGE CO ARPT
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in KENDALL, ILLINOIS
From 18-JUN-10 14:45:00 to 18-JUN-10 14:45:00 (CST-6)
Location: OSWEGO
Magnitude: 66.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in OGLE, ILLINOIS
From 18-JUN-10 14:02:00 to 18-JUN-10 14:02:00 (CST-6)
Location: ROCHELLE
Magnitude: 57.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A wind gust to 66 mph was estimated near Interstate 88 and Interstate 39.

Thunderstorm Wind in WINNEBAGO, ILLINOIS
From 18-JUN-10 14:05:00 to 18-JUN-10 14:05:00 (CST-6)
Location: CHERRY VLY
Magnitude: 60.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Roof damage was reported to a building near Interstate 90 and Route 20.

Hail in LEE, ILLINOIS
From 18-JUN-10 13:37:00 to 18-JUN-10 13:38:00 (CST-6)
Location: DIXON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Thunderstorm Wind in WINNEBAGO, ILLINOIS
From 18-JUN-10 14:00:00 to 18-JUN-10 14:01:00 (CST-6)
Location: NORTH PARK
Magnitude: 65.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind damage was reported in a large area of Rockford.  Two large trees were blown down and a roof was blown off a house on Spring Lake Road.  Four large trees were blown down at Route 2 and Gleasman Road.  Trees were blown down and uprooted near Route 251 and Spring Creek Road.  Numerous 6 to 12 inch tree limbs were blown near SpringBrook and Hickory Roads. ComEd reported 17,700 customers lost power.

Hail in WINNEBAGO, ILLINOIS
From 18-JUN-10 13:53:00 to 18-JUN-10 13:54:00 (CST-6)
Location: DURAND
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel size hail was reported near Lake Summerset.

Thunderstorm Wind in OGLE, ILLINOIS
From 18-JUN-10 14:00:00 to 18-JUN-10 14:00:00 (CST-6)
Location: ROCHELLE MUNI ARPT
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated to 65 mph at Route 251 and Reynolds Road.

Thunderstorm Wind in DE KALB, ILLINOIS
From 18-JUN-10 14:20:00 to 18-JUN-10 14:20:00 (CST-6)
Location: SANDWICH
Magnitude: 52.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust was measured to 60 mph.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 14:50:00 to 18-JUN-10 14:50:00 (CST-6)
Location: BARRINGTON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Five trees were blown down.

Thunderstorm Wind in LEE, ILLINOIS
From 18-JUN-10 13:36:00 to 18-JUN-10 13:36:00 (CST-6)
Location: FRANKLIN GROVE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A one foot diameter tree was snapped.

Thunderstorm Wind in OGLE, ILLINOIS
From 18-JUN-10 13:40:00 to 18-JUN-10 13:40:00 (CST-6)
Location: GRAND DETOUR
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Numerous trees were blown down.

Thunderstorm Wind in LEE, ILLINOIS
From 18-JUN-10 13:33:00 to 18-JUN-10 13:33:00 (CST-6)
Location: AMBOY
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Wind gusts were estimated to 60 mph.

Thunderstorm Wind in WINNEBAGO, ILLINOIS
From 18-JUN-10 13:58:00 to 18-JUN-10 13:58:00 (CST-6)
Location: RCKFRD COTTONWOOD AR
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A wind gust to 72 mph was measured near Meridian Road and Route 20.

Thunderstorm Wind in LEE, ILLINOIS
From 18-JUN-10 13:53:00 to 18-JUN-10 13:53:00 (CST-6)
Location: STEWARD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tree limbs were blown down.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-JUN-10 14:57:00 to 18-JUN-10 14:57:00 (CST-6)
Location: HINSDALE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Thirty six trees were blown down or damaged.

Thunderstorm Wind in KANE, ILLINOIS
From 18-JUN-10 14:40:00 to 18-JUN-10 14:40:00 (CST-6)
Location: ST CHARLES
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large trees and power lines were blown down near Riverside and 3rd Avenues.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:20:00 to 18-JUN-10 15:20:00 (CST-6)
Location: THORNTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated to 60 mph.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:22:00 to 18-JUN-10 15:22:00 (CST-6)
Location: ALPINE
Magnitude: 61.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Wind gusts were measured to 70 mph near Route 394.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-JUN-10 14:58:00 to 18-JUN-10 14:58:00 (CST-6)
Location: ELMHURST
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

One hundred trees were blown down or damaged. A man was injured by a falling tree limb.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 14:58:00 to 18-JUN-10 14:58:00 (CST-6)
Location: PALATINE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

Tree limbs and power lines were blown down. A power line sparked a fire at a resale shop.

Lightning in LAKE, ILLINOIS
From 18-JUN-10 15:15:00 to 18-JUN-10 15:15:00 (CST-6)
Location: DEERFIELD
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

Lightning struck a house causing minor damage.

Lightning in COOK, ILLINOIS
From 18-JUN-10 15:15:00 to 18-JUN-10 15:15:00 (CST-6)
Location: WILMETTE
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Newspaper

Lightning struck a house which started a fire. The house was engulfed in flames.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:05:00 to 18-JUN-10 15:05:00 (CST-6)
Location: OAK LAWN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A large tent was blown down on 15 people at Greek Fest. Three people were injured.

Thunderstorm Wind in KANE, ILLINOIS
From 18-JUN-10 14:27:00 to 18-JUN-10 14:27:00 (CST-6)
Location: HENPECK
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A semi truck was blown over on Interstate 90 north of Hampshire.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:10:00 to 18-JUN-10 15:10:00 (CST-6)
Location: CRESTWOOD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large tree limbs were blown down.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:05:00 to 18-JUN-10 15:05:00 (CST-6)
Location: HOMETOWN
Magnitude: 63.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A wind gust to 72 mph was measured near 87th Street and Pulaski Road.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:10:00 to 18-JUN-10 15:10:00 (CST-6)
Location: (MDW)MIDWAY ARPT CHI
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Thunderstorm Wind in LAKE, ILLINOIS
From 18-JUN-10 14:59:00 to 18-JUN-10 15:00:00 (CST-6)
Location: ANTIOCH
Magnitude: 65.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Industrial buildings and a bowling alley sustained extensive roof damage.  Several trees and utility poles were blown down.  Some of the trees blocked roads and some trees fell onto houses.

Thunderstorm Wind in LEE, ILLINOIS
From 18-JUN-10 13:26:00 to 18-JUN-10 13:27:00 (CST-6)
Location: DIXON
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Numerous trees, tree limbs and power lines were blown down in Dixon.  A truck was blown over on Route 26 in Dixon.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 20:18:00 to 18-JUN-10 20:18:00 (CST-6)
Location: STREAMWOOD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated to 60 mph.

Thunderstorm Wind in WILL, ILLINOIS
From 18-JUN-10 20:29:00 to 18-JUN-10 20:29:00 (CST-6)
Location: NORMANTOWN
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated to 60 mph.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-JUN-10 20:25:00 to 18-JUN-10 20:25:00 (CST-6)
Location: WHEATON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tree was blown down on Manchester Road.

Thunderstorm Wind in KANE, ILLINOIS
From 18-JUN-10 14:27:00 to 18-JUN-10 14:27:00 (CST-6)
Location: ELBURN
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated to 65 mph near Route 47 and Keslinger Road.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-JUN-10 14:35:00 to 18-JUN-10 14:35:00 (CST-6)
Location: FRONTEAC
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-JUN-10 14:35:00 to 18-JUN-10 14:35:00 (CST-6)
Location: WEST CHICAGO
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorm Wind in MCHENRY, ILLINOIS
From 18-JUN-10 14:40:00 to 18-JUN-10 14:40:00 (CST-6)
Location: CRYSTAL LAKE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees were blown down.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-JUN-10 14:48:00 to 18-JUN-10 14:48:00 (CST-6)
Location: WHEATON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tree limbs and power lines were blown down.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:02:00 to 18-JUN-10 15:02:00 (CST-6)
Location: MC COOK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Six inch diameter tree limbs were blown down near 74th Avenue and 58th Place.

Thunderstorm Wind in KANE, ILLINOIS
From 18-JUN-10 14:40:00 to 18-JUN-10 14:40:00 (CST-6)
Location: BATAVIA
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large trees were uprooted in Batavia.  One of the trees fell onto a house.

Thunderstorm Wind in WILL, ILLINOIS
From 18-JUN-10 15:40:00 to 18-JUN-10 15:40:00 (CST-6)
Location: BEECHER
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A one foot diameter tree was blown down.

Thunderstorm Wind in KANKAKEE, ILLINOIS
From 18-JUN-10 15:35:00 to 18-JUN-10 15:35:00 (CST-6)
Location: KANKAKEE
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A tree was blown down on a car near Route 17 and Hobbie Avenue.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-JUN-10 14:58:00 to 18-JUN-10 14:58:00 (CST-6)
Location: WILLOWBROOK
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Numerous large trees were blown down across roads and some on houses.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 14:51:00 to 18-JUN-10 14:51:00 (CST-6)
Location: BARRINGTON HILLS
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A one foot diameter tree was snapped off at its base near Route 14 and Pepper Road.

Thunderstorm Wind in WINNEBAGO, ILLINOIS
From 18-JUN-10 19:10:00 to 18-JUN-10 19:20:00 (CST-6)
Location: ROCKFORD
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts estimated to 60 mph lasted for 10 minutes.

Thunderstorm Wind in LEE, ILLINOIS
From 18-JUN-10 19:20:00 to 18-JUN-10 19:20:00 (CST-6)
Location: AMBOY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tree was blown down.

Thunderstorm Wind in DE KALB, ILLINOIS
From 18-JUN-10 19:50:00 to 18-JUN-10 19:50:00 (CST-6)
Location: SYCAMORE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several eight inch diameter tree limbs were blown down.

Hail in LA SALLE, ILLINOIS
From 18-JUN-10 20:15:00 to 18-JUN-10 20:17:00 (CST-6)
Location: SHERIDAN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 20:19:00 to 18-JUN-10 20:19:00 (CST-6)
Location: HOFFMAN ESTATES
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Wind gusts were estimated to 60 mph on the north side of Hoffman Estates.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:04:00 to 18-JUN-10 15:20:00 (CST-6)
Location: MC COOK
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

A line of thunderstorms moved east across the City of Chicago producing winds in excess of 60 mph. The City of Chicago Department of Streets and Sanitation received thousdands of reports of trees and limbs blown down, and light poles blown down across the city. The worst of the storm of the damage occurred on the south side of the city. A man and a woman were injured by falling tree limbs on the south side of Chicago.  A 21 year old woman was struck by a falling tree limb in the Beverly area.  She was in the hospital for five weeks before succumbing to her injuries on July 23rd.

Thunderstorm Wind in DE KALB, ILLINOIS
From 18-JUN-10 14:14:00 to 18-JUN-10 14:16:00 (CST-6)
Location: DE KALB
Magnitude: 61.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees, tree limbs, and power lines were blown down in many areas of De Kalb, with wind gusts estimated as high as 70 mph.  Gutter damage was reported on a house on the northwest side of De Kalb.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-JUN-10 14:55:00 to 18-JUN-10 14:55:00 (CST-6)
Location: WEST ADDISTON
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Large trees were blown down on a house near Lombard Road and Army Trail Road.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-JUN-10 14:58:00 to 18-JUN-10 14:58:00 (CST-6)
Location: NORTH LAKE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Six inch diameter tree limbs were blown down near Interstate 290 and North Avenue.

Flash Flood in DU PAGE, ILLINOIS
From 18-JUN-10 21:40:00 to 19-JUN-10 00:00:00 (CST-6)
Location: ITASCA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Portions of Irving Park Road were reported flooded and closed.

Thunderstorm Wind in BOONE, ILLINOIS
From 18-JUN-10 19:25:00 to 18-JUN-10 19:25:00 (CST-6)
Location: BELVIDERE
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Public

An aluminum flag pole was blown down and a six inch diameter tree was blown down.

Thunderstorm Wind in LAKE, ILLINOIS
From 18-JUN-10 14:55:00 to 18-JUN-10 14:55:00 (CST-6)
Location: WAUCONDA
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A one foot diameter tree was snapped off at its base near Main Street and Route 176.

Thunderstorm Wind in GRUNDY, ILLINOIS
From 18-JUN-10 14:57:00 to 18-JUN-10 14:57:00 (CST-6)
Location: GARDNER
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A semi truck was blown over near mile marker 227 on Interstate 55.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:00:00 to 18-JUN-10 15:10:00 (CST-6)
Location: MT PROSPECT
Magnitude: 60.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Newspaper

Trees and tree limbs were blown down across west suburban Cook County. Some communities with tree damage included Elmwood Park, River Grove, Westchester, Oak Park, Norwood Park, Maywood, Bellwood, Hillside, Park Ridge, LaGrange, Brookfield, and Riverside. Trees and limbs fell on houses and cars. In Oak Park 60 trees were blown down. Maywood had 15 trees blown down. In LaGrange, part of a roof was blown off a house.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:10:00 to 18-JUN-10 15:10:00 (CST-6)
Location: TINLEY PARK
Magnitude: 52.00 MG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees and power lines were blown down.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:10:00 to 18-JUN-10 15:10:00 (CST-6)
Location: DES PLAINES
Magnitude: 65.00 EG
Property damage: 75.00K
Crop damage: 0.00K
Reported by: Newspaper

Trees and limbs were blown down. A woman lost control of her car due to falling power lines and limbs and crashed into a house. Winds blew down twenty eight 80 foot tall power poles on Touhy Avenue.

Thunderstorm Wind in LAKE, ILLINOIS
From 18-JUN-10 15:00:00 to 18-JUN-10 15:00:00 (CST-6)
Location: VERNON HILLS
Magnitude: 65.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Newspaper

A multi-family residential building suffered roof damage.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-JUN-10 14:51:00 to 18-JUN-10 14:51:00 (CST-6)
Location: WILLOWBROOK
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A one foot diameter tree was blown down near 75th Street and Lyman Avenue.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:04:00 to 18-JUN-10 15:04:00 (CST-6)
Location: ROSEMONT
Magnitude: 65.00 EG
Property damage: 350.00K
Crop damage: 0.00K
Reported by: Newspaper

A building near the Allstate Arena was damaged and a public works garage was damaged by wind.

Thunderstorm Wind in LEE, ILLINOIS
From 18-JUN-10 19:05:00 to 18-JUN-10 19:05:00 (CST-6)
Location: DIXON
Magnitude: 55.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A tree was blown down across a road.  Power lines and a utility pole were also blown down.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:07:00 to 18-JUN-10 15:18:00 (CST-6)
Location: HERMOSA
Magnitude: 65.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A line of thunderstorms moved east across the city of Chicago, producing wind gusts in excess of 60 mph. The department of Streets and Sanitation received thousands of reports of trees and limbs down, and light poles blown down, throughout the city. The worst of the storm hit the central and south parts of the city. In downtown Chicago, windows were blow out of the 25th, 28th and 29th floor of the Willis Tower (formerly Sears Tower). A building in Block 37 at State Street and Randolph had 35 windows damaged. Pieces of concrete were knocked off the Aon Center.

Thunderstorm Wind in COOK, ILLINOIS
From 18-JUN-10 15:06:00 to 18-JUN-10 15:06:00 (CST-6)
Location: FOREST PARK
Magnitude: 65.00 EG
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Newspaper

A large ash tree was blown down onto a house on Marengo Avenue.  The tree caused significant damage to the roof, a bedroom and the porch.

Thunderstorm Wind in DU PAGE, ILLINOIS
From 18-JUN-10 14:58:00 to 18-JUN-10 14:58:00 (CST-6)
Location: OAK BROOK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Tree limbs were blown down blocking Midwest Road south of Interstate 88.

Thunderstorm Wind in OGLE, ILLINOIS
From 18-JUN-10 14:00:00 to 18-JUN-10 14:00:00 (CST-6)
Location: ROCHELLE
Magnitude: 65.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Roof damage was reported at a car dealership and at a country club.