A strong winter storm moved across northern Illinois on February 15th and 16th, producing a widespread area of 4 to 8 inches of snow.  Lake enhanced snow combined to produce a narrow axis of 12 to 18 inches across extreme eastern Lake County, much of Cook County and eastern Will County.  This snow, combined with previous multiple snowfalls, caused multiple roof collapses, many to barns and vacant or compromised structures.  Two people were injured when the awning on the back of a building collapsed in the south side of Chicago.  One of the two injured, a man later died from his injuries.
Some of the highest snow totals in the lake enhanced snow axis included 18.6 inches in Chicago, West Ridge; 18.2 inches one mile north northeast of Oak Park; 18.0 inches in Evanston; 17.7 inches one mile east northeast of Bridgeview; 17.7 inches three miles southwest of Midway Airport; 17.0 inches in Chicago, Lincoln Square; 16.0 inches two miles west northwest of Wilmette; 16.0 inches in Chicago, Albany Park; 15.6 inches in Highwood; 15.0 inches in Harwood Heights; 14.5 inches in Thorton and in Oak Lawn; 13.0 inches in Chicago, Beverly and in Chicago Ridge; 11.0 inches three miles east northeast of Crete and 9.7 inches in Northbrook.  Chicago O'Hare Airport measured 7.5 inches.
Additional snowfall amounts included 9.0 inches in Chatsworth; 8.2 inches in Lombard; 8.0 inches in Dwight; 7.8 inches at the National Weather Service office in Romeoville; 7.4 inches in Peotone; 7.3 inches in St. Anne; 6.5 inches in Paxton; 5.9 inches in Ottawa; 5.5 inches three miles northwest of Carbon Hill; 5.3 inches in St. Charles; 5.0 inches in Naperville; 4.9 inches six miles east of Ashkum; 4.8 inches one mile west southwest of Streator and 4.5 inches one mile southeast of Mendota.

Winter Storm in KANKAKEE, ILLINOIS
From 15-FEB-21 13:00:00 to 16-FEB-21 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in FORD, ILLINOIS
From 15-FEB-21 11:00:00 to 16-FEB-21 05:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in IROQUOIS, ILLINOIS
From 15-FEB-21 11:00:00 to 16-FEB-21 07:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in NORTHERN COOK COUNTY, ILLINOIS
From 15-FEB-21 09:00:00 to 16-FEB-21 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in CENTRAL COOK COUNTY, ILLINOIS
From 15-FEB-21 07:00:00 to 16-FEB-21 07:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in SOUTHERN COOK COUNTY, ILLINOIS
From 15-FEB-21 06:00:00 to 16-FEB-21 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in LAKE, ILLINOIS
From 15-FEB-21 13:00:00 to 16-FEB-21 14:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Weather in KANE, ILLINOIS
From 15-FEB-21 16:00:00 to 16-FEB-21 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in NORTHERN WILL COUNTY, ILLINOIS
From 15-FEB-21 14:00:00 to 16-FEB-21 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in EASTERN WILL COUNTY, ILLINOIS
From 15-FEB-21 05:00:00 to 16-FEB-21 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in SOUTHERN WILL COUNTY, ILLINOIS
From 15-FEB-21 14:00:00 to 16-FEB-21 06:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Weather in LA SALLE, ILLINOIS
From 15-FEB-21 14:00:00 to 16-FEB-21 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Weather in GRUNDY, ILLINOIS
From 15-FEB-21 14:00:00 to 16-FEB-21 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Weather in KENDALL, ILLINOIS
From 15-FEB-21 15:00:00 to 16-FEB-21 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Weather in DE KALB, ILLINOIS
From 15-FEB-21 16:00:00 to 16-FEB-21 05:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in DU PAGE, ILLINOIS
From 15-FEB-21 10:00:00 to 16-FEB-21 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Weather in MCHENRY, ILLINOIS
From 15-FEB-21 18:00:00 to 16-FEB-21 09:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in LIVINGSTON, ILLINOIS
From 15-FEB-21 11:00:00 to 16-FEB-21 04:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Weather in OGLE, ILLINOIS
From 15-FEB-21 17:00:00 to 16-FEB-21 05:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter