Snow Day Probability
☀️ Chance of school cancellation tomorrow
Data provided by Open-Meteo
The the public, charter, and private school districts serving the greater Houston area together serve thousands of students across many public, charter, and private campuses. The Houston area averages approximately 0 inches of snowfall per year, with the heaviest snowfall typically occurring between December and February.
School districts in Houston generally communicate closures via district websites, robocalls, social media, and local news, with most calls made between 4:30 and 6:00 AM after consultation with road crews and the National Weather Service. Two-hour delays and remote-learning days are sometimes used in Houston as alternatives to a full closure when conditions are borderline.
Houston's geography plays a meaningful role in its winter weather: a humid subtropical to semi-arid climate where rare cold-air outbreaks can shut down districts statewide. These factors directly influence how often Houston schools end up closed during a given winter. Geographically, Houston sits near 29.76°N, 95.36°W, which shapes how regional storm systems and Arctic air masses interact with the area.
Notable historic snow events in or near Houston include the February 2021 winter storm Uri that paralyzed the state for nearly two weeks, which produced widespread closures across the region. Historically, schools in the Houston area close an average of approximately 2 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 Houston based on live weather forecast data from Open-Meteo.
Houston and the Gulf Coast rarely see snow, but ice storms hit more often than you'd expect. Even a thin layer of ice can shut down Houston ISD and surrounding districts, as the city lacks equipment to handle winter weather.
Browse all Texas snow day predictions.
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Our calculator pulls live weather forecast data for Houston 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 Houston prediction.