Very cold air spread across northern Illinois and combined with the winds, produced wind chills 20 below to 30 below zero across all of northern Illinois from the afternoon of February 13th through the afternoon of February 14th.

Extreme Cold/Wind Chill in KANE, ILLINOIS
From 14-FEB-21 06:00:00 to 14-FEB-21 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Cold/Wind Chill in WINNEBAGO, ILLINOIS
From 13-FEB-21 23:00:00 to 14-FEB-21 16:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Cold/Wind Chill in BOONE, ILLINOIS
From 14-FEB-21 00:00:00 to 14-FEB-21 16:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in LEE, ILLINOIS
From 13-FEB-21 22:00:00 to 14-FEB-21 16:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Cold/Wind Chill in OGLE, ILLINOIS
From 13-FEB-21 22:00:00 to 14-FEB-21 16:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Cold/Wind Chill in DE KALB, ILLINOIS
From 14-FEB-21 00:00:00 to 14-FEB-21 16:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Cold/Wind Chill in MCHENRY, ILLINOIS
From 14-FEB-21 00:00:00 to 14-FEB-21 15:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in LAKE, ILLINOIS
From 14-FEB-21 02:00:00 to 14-FEB-21 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Cold/Wind Chill in KANE, ILLINOIS
From 13-FEB-21 20:00:00 to 14-FEB-21 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Cold/Wind Chill in DU PAGE, ILLINOIS
From 13-FEB-21 22:00:00 to 14-FEB-21 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Cold/Wind Chill in NORTHERN COOK COUNTY, ILLINOIS
From 14-FEB-21 00:00:00 to 14-FEB-21 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Cold/Wind Chill in CENTRAL COOK COUNTY, ILLINOIS
From 14-FEB-21 00:00:00 to 14-FEB-21 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Cold/Wind Chill in SOUTHERN COOK COUNTY, ILLINOIS
From 14-FEB-21 00:00:00 to 14-FEB-21 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Cold/Wind Chill in KENDALL, ILLINOIS
From 13-FEB-21 23:00:00 to 14-FEB-21 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in GRUNDY, ILLINOIS
From 13-FEB-21 23:00:00 to 14-FEB-21 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Cold/Wind Chill in LA SALLE, ILLINOIS
From 13-FEB-21 23:00:00 to 14-FEB-21 14:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Cold/Wind Chill in LIVINGSTON, ILLINOIS
From 13-FEB-21 23:00:00 to 14-FEB-21 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Cold/Wind Chill in KANKAKEE, ILLINOIS
From 14-FEB-21 02:00:00 to 14-FEB-21 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Cold/Wind Chill in FORD, ILLINOIS
From 14-FEB-21 01:00:00 to 14-FEB-21 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in IROQUOIS, ILLINOIS
From 14-FEB-21 02:00:00 to 14-FEB-21 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Cold/Wind Chill in NORTHERN WILL COUNTY, ILLINOIS
From 14-FEB-21 00:00:00 to 14-FEB-21 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Cold/Wind Chill in SOUTHERN WILL COUNTY, ILLINOIS
From 14-FEB-21 00:00:00 to 14-FEB-21 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Cold/Wind Chill in EASTERN WILL COUNTY, ILLINOIS
From 14-FEB-21 00:00:00 to 14-FEB-21 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS