Winter Storm Warning Williamsville, Illinois

Winter alerts in Williamsville, newest first, in effect or ended
Alert	State	Severity	Places
Extreme Cold WarningEnded Wind chills as low as 24 below zero, wind chills as low as 18 below zero. Issued January 25 Ended January 26, 2026	Illinois	Severe	89 places Williamsville Springfield Bloomington Normal Jacksonville Chatham Lincoln Sherman Auburn Rochester and 79 more