Winter Storm Warning Grimes, Iowa

Winter alerts in Grimes, newest first, in effect or ended
Alert	State	Severity	Places
Extreme Cold WatchEnded Wind chills as low as 40 below zero. Issued January 20 Ended January 22, 2026	Iowa	Severe	488 places Grimes Des Moines West Des Moines Ankeny Waterloo Ames Urbandale Cedar Falls Marshalltown Mason City and 478 more