Wyoming Snow Day Calculator
Will Your School Close Due to Snow?
Instant snow day predictions for schools across Wyoming
Wyoming School Closure Prediction Tool
Enter Wyoming city or ZIP code
Wyoming Snow Day Forecast Results
Wyoming ZIP Code Coverage
Southeastern Wyoming
Central Wyoming
Northwestern Wyoming
Western and Northeastern Wyoming
For accurate Wyoming Snow Day Calculator predictions, please enter a ZIP code from your region as snowfall and wind conditions can vary dramatically across the state
Wyoming Snow Statistics & Information
Geographic Features
- •Rocky Mountains
- •Yellowstone National Park
- •Grand Teton Range
- •Great Plains
- •Wind River Canyon
Snow Statistics
Annual Average Snowfall
200 inches
Snow Days per Year
90 days
School Information
Average Snow Days
7 days/year
School Districts
48
Wyoming Historical Snow Events
Blizzard of '49
1949-01-02Snowfall: 30 inches
Most severe blizzard in Wyoming history, schools and roads closed for weeks
March 2021 Snowstorm
2021-03-14Snowfall: 30.8 inches
Record-breaking snowfall in Cheyenne, statewide school closures
Easter Sunday Blizzard
1955-04-03Snowfall: 28.5 inches
Widespread closures, thousands stranded across the state
Wyoming Snow Facts
Wyoming's Interstate 80 is one of America's most frequently closed highways due to winter conditions
The town of Mammoth, Wyoming once recorded wind chills of -79°F
Wyoming's high elevation means snow can fall in any month of the year
The term 'ground blizzard' was popularized in Wyoming, referring to high winds blowing existing snow
Wyoming schools often have specific wind speed thresholds for closure, independent of snowfall
Jackson Hole Mountain Resort averages over 500 inches of snow annually, one of the highest in the U.S.