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

8320183299

South Central Idaho

8330183399

North Central Idaho

8350183599

Southwestern Idaho and Boise Valley

8360183899

Northern Idaho Panhandle

8380183899

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

2017-01-04

Snowfall: 15 inches

Longest stretch of snow cover in Boise history, schools closed for multiple days

Record-Breaking December Storm

2008-12-29

Snowfall: 61 inches

McCall area schools closed for a week, record snowfall in multiple locations

Sun Valley Record Storm

1969-01-31

Snowfall: 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