Record setting low pressure over Minnesota produced high winds across northern Illinois on October 26, behind a strong cold front which swept across the state during the morning. The high winds caused around 200,000 Commonwealth Edison customers to lose power. Five hundred flights were canceled at O'Hare Airport. The high winds blew down tree limbs and power lines across northern Illinois.
Some peak wind gusts included; 71 mph near Dixon in Lee County, 62 mph at Waukegan Airport in Lake County, and 58 mph at Peru in LaSalle County.
Damage reports included; 448 reports of trees damaged in Chicago as well as many traffic lights, street lights and poles; wind blew a cargo container at Rockford Airport, damaging a fence and two rental cars, tree limbs and power lines were down throughout Winnebago County; a tree limb was down on a road in Mt. Prospect and tree limbs were down on power lines in Des Plaines, both in Cook County; a tree was down on a car in Crystal Lake, a tree was on a house in Cary, and limbs were down in McHenry, all in McHenry County; a shed was blown into power lines in Waukegan in Lake County; 48 power poles were broken or bent over at Sedgewick and Cook Roads in Sandwich in DeKalb County; a tree was blown down on a car in Aurora and trees were down in Elgin, both in Kane County; tree limbs and power lines down in Mendota and a cupola blown off a church in Streator, both in LaSalle County; a large sign was damaged at a grocery store in Lombard in DuPage County.

High Wind in BOONE, ILLINOIS
From 26-OCT-10 06:00:00 to 26-OCT-10 17:00:00 (CST-6)
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Newspaper

High Wind in DE KALB, ILLINOIS
From 26-OCT-10 06:00:00 to 26-OCT-10 17:00:00 (CST-6)
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Newspaper

High Wind in LA SALLE, ILLINOIS
From 26-OCT-10 06:00:00 to 26-OCT-10 17:00:00 (CST-6)
Magnitude: 50.00 MG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: ASOS

High Wind in KENDALL, ILLINOIS
From 26-OCT-10 06:30:00 to 26-OCT-10 17:00:00 (CST-6)
Magnitude: 50.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Newspaper

High Wind in MCHENRY, ILLINOIS
From 26-OCT-10 06:30:00 to 26-OCT-10 17:00:00 (CST-6)
Magnitude: 50.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Newspaper

High Wind in OGLE, ILLINOIS
From 26-OCT-10 05:30:00 to 26-OCT-10 17:00:00 (CST-6)
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Newspaper

High Wind in WINNEBAGO, ILLINOIS
From 26-OCT-10 06:00:00 to 26-OCT-10 17:00:00 (CST-6)
Magnitude: 50.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Newspaper

High Wind in GRUNDY, ILLINOIS
From 26-OCT-10 06:30:00 to 26-OCT-10 17:00:00 (CST-6)
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Newspaper

High Wind in DU PAGE, ILLINOIS
From 26-OCT-10 08:00:00 to 26-OCT-10 17:00:00 (CST-6)
Magnitude: 50.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Newspaper

High Wind in LEE, ILLINOIS
From 26-OCT-10 05:30:00 to 26-OCT-10 17:00:00 (CST-6)
Magnitude: 62.00 MG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Trained Spotter

High Wind in LAKE, ILLINOIS
From 26-OCT-10 07:00:00 to 26-OCT-10 17:00:00 (CST-6)
Magnitude: 53.00 MG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: ASOS

High Wind in COOK, ILLINOIS
From 26-OCT-10 08:00:00 to 26-OCT-10 17:00:00 (CST-6)
Magnitude: 50.00 EG
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Department of Highways

High Wind in WILL, ILLINOIS
From 26-OCT-10 08:00:00 to 26-OCT-10 17:00:00 (CST-6)
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Newspaper

High Wind in KANKAKEE, ILLINOIS
From 26-OCT-10 08:00:00 to 26-OCT-10 17:00:00 (CST-6)
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Newspaper

High Wind in KANE, ILLINOIS
From 26-OCT-10 06:30:00 to 26-OCT-10 17:00:00 (CST-6)
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Newspaper