Winter Storm Warning Alton, Iowa

Winter alerts in Alton, newest first, in effect or ended
Alert	State	Severity	Places
Extreme Cold WatchEnded Wind chills as low as 35 below zero. Issued January 20 Ended January 22, 2026	Iowa	Severe	104 places Alton Sioux City Spencer Storm Lake Le Mars Sioux Center Orange City Sheldon Spirit Lake Cherokee and 94 more