Winter Storm Warning South Wilmington, Illinois

Winter alerts in South Wilmington, newest first, in effect or ended
Alert	State	Severity	Places
Extreme Cold WarningEnded Dangerously cold wind chills between 30 and 40 below expected. Issued January 22 Ended January 23, 2026	Illinois	Severe	465 places South Wilmington Chicago Aurora Joliet Naperville Rockford Elgin Waukegan Cicero Schaumburg and 455 more