Calculators · United States
Predict school closures and delays with live weather for any US or Canadian location
Ahrefs Domain Rating set in type 9 Nov 2026, reset 9 Nov 2026.
Free tool that analyzes live weather data to predict school closures, delays, and winter driving conditions across the US and Canada.
Snow Day Calculator is a free web application that predicts school closures and delays using live meteorological data. Users enter a location (city, state, ZIP code, or Canadian postal code) and receive a probability score showing closure likelihood, along with detailed analysis of contributing weather factors like snowfall, temperature, wind, visibility, and ice risk. The tool combines data from OpenWeatherMap with Open-Meteo as a fallback provider and applies a multi-factor model against common school district closure thresholds. The platform includes 50+ specialized winter calculators for related tools like driving safety, ice risk, and road conditions. All tools are completely free with no account or subscription required, and the site emphasizes that predictions are planning estimates, not official announcements—users are always directed to follow official district notifications.
Pricing model: Free
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The calculator pulls live weather data including temperature, snowfall forecasts, wind speed, visibility, and precipitation from OpenWeatherMap with Open-Meteo fallback. A multi-factor model analyzes these variables against common school district closure thresholds to generate a probability score with detailed explanations.
No prediction is guaranteed. School closure decisions depend on district-specific policies, local road conditions, and superintendent judgment. Users should use the calculator as one tool among many and always follow official district announcements.
The calculator supports any location in the United States and Canada. Users can enter a city name, state/province, or ZIP/postal code, and can also use GPS to detect their current location automatically.
Weather data comes from OpenWeatherMap first, with Open-Meteo as a live fallback provider. Data is updated continuously and never hardcoded or randomly generated.
Yes, all calculators and weather tools on SnowDayCalculator.io are completely free to use with no account or subscription required.
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Snow Day Calculator has a free listing. The owner can unlock the full profile with a paid launch for $5:
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