Everything you need to understand the score, the forecast signals behind it and the real-world factors that schools may consider before closing.
Explore the weather, probability and school-closure topics behind the calculator.
See how location, forecast intervals and weather signals become a 0–100 score.
Read guide →Understand low, possible, high and very high snow-day percentages.
Read guide →Learn how snow, temperature, ice, wind, visibility and timing affect disruption.
Read guide →Why schools may close, delay or move classes online during winter weather.
Read guide →When to check, when to recheck, and what official sources to follow.
Read guide →How city search works globally and why local closure practices vary.
Read guide →If you already know your city or ZIP code, you can skip the reading and check the current weather-based prediction first.
Remember: the result is for planning and curiosity, not an official closure announcement.
Check Snow Day →Enter your location and get a quick weather-based snow-day estimate.