Winter Storm Warning Seymour, Iowa

Winter alerts in Seymour, newest first, in effect or ended
Alert	State	Severity	Places
Winter Weather AdvisoryEnded 2 to 4 inches of snow. Issued April 6 Ended April 7, 2026	Iowa	Moderate	94 places Seymour Creston Atlantic Osceola Winterset Chariton Greenfield Audubon Lamoni Leon and 84 more
Winter Weather AdvisoryEnded Blowing snow. Issued March 16 Ended March 16, 2026	Iowa	Moderate	488 places Seymour Des Moines West Des Moines Ankeny Waterloo Ames Urbandale Cedar Falls Marshalltown Mason City and 478 more
Cold Weather AdvisoryEnded Very cold wind chills from -15 to -30 expected. Issued January 25 Ended January 26, 2026	Iowa	Moderate	488 places Seymour Des Moines West Des Moines Ankeny Waterloo Ames Urbandale Cedar Falls Marshalltown Mason City and 478 more
Cold Weather AdvisoryEnded Wind chills as low as 40 below zero, wind chills as low as 32 below zero. Issued January 22 Ended January 24, 2026	Iowa	Moderate	488 places Seymour Des Moines West Des Moines Ankeny Waterloo Ames Urbandale Cedar Falls Marshalltown Mason City and 478 more
Extreme Cold WarningEnded Wind chills as low as 40 below zero, wind chills as low as 32 below zero. Issued January 22 Ended January 23, 2026	Iowa	Severe	488 places Seymour Des Moines West Des Moines Ankeny Waterloo Ames Urbandale Cedar Falls Marshalltown Mason City and 478 more
Extreme Cold WatchEnded Wind chills as low as 40 below zero. Issued January 20 Ended January 22, 2026	Iowa	Severe	488 places Seymour Des Moines West Des Moines Ankeny Waterloo Ames Urbandale Cedar Falls Marshalltown Mason City and 478 more
Cold Weather AdvisoryEnded Wind chills as low as 27 below zero. Issued January 17 Ended January 19, 2026	Iowa	Moderate	414 places Seymour Des Moines West Des Moines Ankeny Waterloo Ames Urbandale Cedar Falls Marshalltown Mason City and 404 more
Cold Weather AdvisoryEnded Wind chills as low as 33 below zero. Issued December 12 Ended December 14, 2025	Iowa	Moderate	394 places Seymour Des Moines West Des Moines Ankeny Waterloo Ames Urbandale Cedar Falls Marshalltown Mason City and 384 more
Winter Weather AdvisoryEnded 2 to 4 inches of snow. Issued November 30 Ended December 1, 2025	Iowa	Moderate	89 places Seymour Ottumwa Oskaloosa Pella Knoxville Osceola Centerville Chariton Albia Bloomfield and 79 more
Winter Storm WarningEnded 5 to 8 inches of snow. Issued November 27 Ended November 30, 2025	Iowa	Severe	33 places Seymour Centerville Bloomfield Lamoni Leon Corydon Moravia Moulton Humeston Allerton and 23 more
Winter Storm WatchEnded 3 to 7 inches of snow, around a light glaze possible of ice. Issued November 27 Ended November 28, 2025	Iowa	Severe	57 places Seymour Centerville Bloomfield Lamoni Leon Mount Ayr Corning Corydon Bedford Lenox and 47 more