Real weather data
Uses the latest available official weather forecast.
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SnowDayOdds.com turns the latest official weather forecast into local snow day odds, plus the chances of a delayed start, early dismissal, or normal school day.
The forecast comes from a custom model designed by a professional meteorologist. It looks at the type and timing of winter weather, including snow, ice, temperatures, and other conditions that can affect the school day.
SnowDayOdds.com is not a random number generator. The same weather inputs and model version produce the same odds for the same forecast window.
Schools always make the final decision.
Uses the latest available official weather forecast.
Built around how winter weather can affect the school day.
Real storm outcomes help test and refine future model versions.
Snow day odds estimate the chance of winter weather disrupting a local school day. The four outcomes describe possible school-day impacts, not the chance of snowfall or the percentage of schools that will close.
Timing matters alongside snow, ice and temperature: weather during the morning commute can have different implications from weather arriving near dismissal. Check the next two school days when planning ahead, then check again before leaving as official forecasts develop.
Use the forecast’s Updated and Next check around labels to see its timing. New weather information may change the odds; refreshing the page alone does not. Always confirm any closure or delay with your school.