A winter storm moved across northern Illinois on February 2nd producing heavy snow along and south of a line from Mendota to Aurora to Evanston, where snowfall amounts of 8 to 14 inches occurred.  Snow amounts quickly diminished northwest of this line.  Snowfall rates of 1 to 2 inches per hour were observed in the heaviest snow bands.
The highest storm total snowfall totals included 14.3 inches in Mokena; 13.8 inches two miles northwest of Chicago Heights; 13.0 inches in Paxton, Gibson City and Kankakee; 12.6 inches in Minooka; 12.5 inches in Lansing; 12.0 inches in Pontiac; 11.6 inches in Streator and New Lenox; 11.5 inches in Danforth, Frankfort, Lockport and near Emington; 11.2 inches near Burr Ridge; 11.0 inches in Homewood, Oak Lawn, Oak Forrest, Morris, Bradley, Herscher, Fairbury, Crest Hill, Joliet, Elwood and Braidwood.  Chicago O'Hare Airport measured 5.6 inches and the National Weather Service office in Romeoville measured 10.0 inches.

Winter Storm in CENTRAL COOK COUNTY, ILLINOIS
From 01-FEB-22 22:00:00 to 02-FEB-22 16:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Winter Storm in SOUTHERN COOK COUNTY, ILLINOIS
From 01-FEB-22 22:00:00 to 02-FEB-22 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in LA SALLE, ILLINOIS
From 01-FEB-22 22:00:00 to 02-FEB-22 15:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in KENDALL, ILLINOIS
From 01-FEB-22 22:00:00 to 02-FEB-22 15:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in GRUNDY, ILLINOIS
From 01-FEB-22 22:00:00 to 02-FEB-22 16:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in NORTHERN WILL COUNTY, ILLINOIS
From 01-FEB-22 22:00:00 to 02-FEB-22 15:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Winter Storm in SOUTHERN WILL COUNTY, ILLINOIS
From 01-FEB-22 22:00:00 to 02-FEB-22 16:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in EASTERN WILL COUNTY, ILLINOIS
From 01-FEB-22 22:30:00 to 02-FEB-22 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in LIVINGSTON, ILLINOIS
From 01-FEB-22 20:00:00 to 02-FEB-22 16:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in FORD, ILLINOIS
From 01-FEB-22 23:00:00 to 03-FEB-22 13:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in KANKAKEE, ILLINOIS
From 01-FEB-22 23:00:00 to 02-FEB-22 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in IROQUOIS, ILLINOIS
From 01-FEB-22 23:00:00 to 03-FEB-22 14:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Weather in NORTHERN COOK COUNTY, ILLINOIS
From 02-FEB-22 02:30:00 to 02-FEB-22 15:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Weather in DE KALB, ILLINOIS
From 02-FEB-22 02:00:00 to 02-FEB-22 13:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Weather in LEE, ILLINOIS
From 02-FEB-22 02:00:00 to 02-FEB-22 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in KANE, ILLINOIS
From 02-FEB-22 02:00:00 to 02-FEB-22 14:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Winter Storm in DU PAGE, ILLINOIS
From 02-FEB-22 02:00:00 to 02-FEB-22 15:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter