Predict the probability of a school snow day based on live weather data. Enter your city and school type for an instant forecast.
What is Snow Day Calculator?
Our Snow Day Calculator uses live weather data from Open-Meteo to predict the probability of school being cancelled due to snow. Enter your city and school type (public, private, rural) and get an instant snow day probability with a detailed breakdown of contributing factors — snowfall, wind speed, temperature, and precipitation. Features animated snowflakes when probability is high, 3-day forecast picker, fun verdict messages, and a share button. Better than any other snow day predictor online.
How to Use
Search for your city using the search box
Select your school type (Public, Private, or Rural)
Pick a forecast day (today or next 2 days)
See your snow day probability with a detailed breakdown
Share your result with friends!
Frequently Asked Questions
How does the snow day calculator work?
It fetches real-time weather forecast data and combines snowfall, wind speed, temperature, and precipitation into a weighted probability score, adjusted by school type.
Is this more accurate than other snow day calculators?
We use live forecast data from Open-Meteo with a multi-factor algorithm. No predictor is perfect, but our breakdown shows exactly why the probability is what it is.
Does it work outside the US?
Yes! Enter any city worldwide. The algorithm adapts to local weather conditions.
Is my data stored?
No. All calculations happen in your browser using public weather APIs.
Related Tools
🌤️ Weather Forecast — Beautiful 7-day weather forecast for any city. Current conditions, hourly temperatures, and daily outlook with
⛈️ Storm Tracker — Track severe weather threats for any city. High wind, heavy rain, extreme temperatures, and snow alerts with s
🌬️ Wind Chill Calculator — Calculate wind chill "feels like" temperature from cold and wind speed. Includes frostbite risk timer and laye
☀️ UV Index Checker — Check the current and forecasted UV index for any city. Includes SPF recommendations and skin burn time estima
🌧️ Rain Probability Checker — Check hourly and daily rain probability for any city. Find out if you need an umbrella today with live weather
🌡️ Heat Index Calculator — Calculate the "feels like" temperature from actual temperature and humidity. Includes danger levels and health
💧 Dew Point Calculator — Calculate dew point and comfort level from temperature and humidity. See if the air feels dry, comfortable, or
🏭 Air Quality Index Checker — Check the Air Quality Index (AQI) for any city with pollutant breakdown, health recommendations, and 24-hour t
Related: snow day calculator, snow day predictor, school closing predictor, snow day forecast, will school be cancelled, snow day probability, school snow day