Idaho Snow Day Calculator
Will Your School Close Due to Snow?
Instant snow day predictions for schools across Idaho
Idaho School Closure Prediction Tool
Enter Idaho city or ZIP code
Idaho Snow Day Forecast Results
Idaho ZIP Code Coverage
Eastern Idaho
South Central Idaho
North Central Idaho
Southwestern Idaho and Boise Valley
Northern Idaho Panhandle
For accurate Idaho Snow Day Calculator predictions, please enter a ZIP code from your specific region as snowfall varies dramatically with elevation and location
Idaho Snow Statistics & Information
Geographic Features
- •Sawtooth Mountains
- •Snake River Plain
- •Bitterroot Range
- •Craters of the Moon
- •Salmon River Mountains
Snow Statistics
Annual Average Snowfall
180 inches
Snow Days per Year
89 days
School Information
Average Snow Days
5 days/year
School Districts
115
Idaho Historical Snow Events
Treasure Valley Snowstorm
2017-01-04Snowfall: 15 inches
Longest stretch of snow cover in Boise history, schools closed for multiple days
Record-Breaking December Storm
2008-12-29Snowfall: 61 inches
McCall area schools closed for a week, record snowfall in multiple locations
Sun Valley Record Storm
1969-01-31Snowfall: 48.5 inches
Record-breaking month for snow accumulation, entire region paralyzed
Idaho Snow Facts
Sun Valley, Idaho was America's first destination ski resort, opening in 1936
The Idaho Panhandle can receive over 300 inches of snow annually due to Pacific moisture and mountainous terrain
Boise's unique valley location can create temperature inversions that trap cold air and snow for weeks
Idaho's varied elevation means you can experience a 50-degree temperature difference within 100 miles
The Schweitzer Mountain Resort near Sandpoint averages 300 inches of snow annually
Idaho's school districts were among the first to implement remote learning plans specifically for snow days