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
Northeast Iowa - Dubuque Area
East Central Iowa - Cedar Rapids
Northwest Iowa - Sioux City
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
1965-03-17Snowfall: 24 inches
Record snowfall in Des Moines, statewide emergency declared
December 2009 Blizzard
2009-12-08Snowfall: 15.5 inches
Widespread school closures, over 400 traffic accidents reported
January 2021 Winter Storm
2021-01-25Snowfall: 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