Snow Day Probability
☀️ Chance of school cancellation tomorrow
Data provided by Open-Meteo
The Great Falls area school districts in Montana together serve thousands of students across many public, charter, and private campuses. The Great Falls area averages approximately 54 inches of snowfall per year, with the heaviest snowfall typically occurring between October and April.
School districts in Great Falls generally post closure decisions to district websites and notify parents through automated alerts and local broadcasters, typically before sunrise on storm days, after coordinating with bus contractors and transportation supervisors. Two-hour delays and remote-learning days are sometimes used in Great Falls as alternatives to a full closure when conditions are borderline.
Great Falls's geography plays a meaningful role in its winter weather: a continental mountain and Plains climate with extreme cold, ground blizzards, and heavy mountain snowfall. These factors directly influence how often Great Falls schools end up closed during a given winter. Geographically, Great Falls sits near 47.51°N, 111.27°W, which shapes how regional storm systems and Arctic air masses interact with the area.
Notable historic snow events in or near Great Falls include major Northern Rockies storms with sub-zero wind chills, which produced widespread closures across the region. Historically, schools in the Great Falls area close an average of approximately 4 days per winter season due to snow, ice, or extreme cold. Use our Snow Day Calculator above to check tomorrow's real-time school closure probability for Great Falls based on live weather forecast data from Open-Meteo.
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Our calculator pulls live weather forecast data for Great Falls from the Open-Meteo API and analyzes snowfall accumulation, temperature, wind chill, and 24-hour precipitation totals to generate a school closure probability percentage.
Check between 9 PM and midnight the evening before a potential storm. Weather models are most reliable within a 12–18 hour forecast window, giving you the most accurate prediction for the following morning.
Yes. Public schools close more readily than private schools, which close more readily than colleges and universities. Select your school type for the most accurate Great Falls prediction.