Our free snow day calculator helps US students and parents check school closure probability by ZIP code. Canadian users can use our snow day predictor with postal code support for all provinces and territories. Get an instant prediction based on real weather data. Enter your ZIP code, postal code, or city name to see your chances!
Our algorithm analyzes multiple weather factors to predict school closures
Type your ZIP code or Canadian postal code to get hyper-local weather data for your area.
Our engine checks temperature, snowfall accumulation, wind speed, humidity and 24-hour forecasts.
Receive a 0–100% snow day probability with detailed weather breakdown and hourly forecast.
Get instant snow day probability for your school based on real-time weather forecasts. Our predictor analyzes temperature, snowfall, wind, and visibility to give you the most accurate estimate of whether school will be canceled tomorrow.
Everything you need to know about our snow day predictions
Our predictor uses real-time weather data from Open-Meteo combined with factors like snowfall, temperature, wind chill, and precipitation probability. While no prediction is 100% accurate, our model has shown strong correlation with actual school closures.
Yes! Snow Day Tracker is completely free. Just enter your ZIP or postal code and get an instant prediction.
For the most accurate forecast, check the night before — typically after 6 PM, when tomorrow's weather data is most reliable.
Yes. We support U.S. ZIP codes and Canadian postal codes (e.g. M5V 2T6) for schools across both countries.
Join students across the US and Canada who use Snow Day Tracker every winter!
Get My Prediction ❄