Iowa Snow Day Calculator

Will Your School Close Due to Snow?

Instant snow day predictions for schools across Iowa

Iowa School Closure Prediction Tool

Enter Iowa city or ZIP code

Iowa Snow Day Forecast Results

Iowa ZIP Code Coverage

Central Iowa - Des Moines Metro

5000150399

Northeast Iowa - Dubuque Area

5200152099

East Central Iowa - Cedar Rapids

5240152499

Northwest Iowa - Sioux City

5100151099

For accurate Iowa Snow Day Calculator predictions, please enter a ZIP code from your specific region as winter conditions can vary significantly across the state

Iowa Snow Statistics & Information

Geographic Features

  • Loess Hills
  • Mississippi River Valley
  • Missouri River Valley
  • Des Moines River Valley
  • Driftless Area

Snow Statistics

Annual Average Snowfall

30 inches

Snow Days per Year

35 days

School Information

Average Snow Days

5 days/year

School Districts

327

Iowa Historical Snow Events

St. Patrick's Day Blizzard

1965-03-17

Snowfall: 24 inches

Record snowfall in Des Moines, statewide emergency declared

December 2009 Blizzard

2009-12-08

Snowfall: 15.5 inches

Widespread school closures, over 400 traffic accidents reported

January 2021 Winter Storm

2021-01-25

Snowfall: 12.9 inches

Multiple days of school closures across central and eastern Iowa

Iowa Snow Facts

Iowa's worst blizzard occurred in 1888, known as the 'Children's Blizzard' due to its impact on rural schoolchildren

The state's record low temperature is -47°F, recorded in Washta on January 12, 1912

Iowa averages about 5 school closure days per year due to winter weather

The state's Department of Transportation maintains over 9,400 miles of primary highways during winter

Iowa was among the first Midwestern states to implement a statewide snow removal program in the 1920s

The state uses approximately 200,000 tons of road salt each winter