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Snow Day Calculator
Snow Day Calculator predicts school closures based on weather forecasts. Enter your ZIP code for real-time snowfall data, 7-day forecasts, and historical snow patterns.
Snow Day Calculator
Snow Day Calculator predicts school closures based on weather forecasts. Enter your ZIP code for real-time snowfall data, 7-day forecasts, and historical snow patterns.
Created byAJ Sheff
Updated Oct 7, 2025
Snow Day Calculator
Check if school might be closed due to snow. Enter your ZIP code to see the forecast.
Johnstown, CO 80534
Coordinates: 40.3355, -104.9236
School Closure Prediction
No Closure
Expected snowfall: 0.0“ (No Snow)
43°F
Current Temp
35°F
Low
72°F
High
0.0"
Total Snow
Last updated: 9:30:00 PM
Snowfall Guide
0"
No Snow
>0-2"
Light
2-4"
Moderate
4-8"
Heavy
8-12"
Very Heavy
12-24"
Extreme
24"+
Blizzard
Closure likelihood varies by region. Southern states may close with less snow than northern states.
7-Day Forecast
Today
0.0“
33°F - 63°F
No Snow
Tomorrow
0.0“
35°F - 72°F
No Snow
3/3
0.0“
36°F - 45°F
No Snow
3/4
0.0“
35°F - 61°F
No Snow
3/5
0.0“
41°F - 61°F
No Snow
3/6
0.2“
32°F - 44°F
Light
3/7
0.0“
28°F - 47°F
No Snow
Historical Snowfall by Month
Based on 10 years of historical data (2000-2009). Shows typical snowfall patterns for your area.
Jan
3“
max
75 days
Feb
2“
max
97 days
Mar
14“
max
88 days
Apr
7“
max
54 days
May
3“
max
12 days
Jun
0“
max
0 days
Jul
0“
max
0 days
Aug
0“
max
0 days
Sep
2“
max
3 days
Oct
4“
max
36 days
Nov
4“
max
68 days
Dec
7“
max
88 days