Snow Day Calculator
Predict Chances of a Snow Day Instantly

Enter your ZIP code and instantly see closure and early dismissal probabilities for the next 5 school days. Our snow day predictor analyzes snowfall, temperature, wind chill, and ice using live NOAA data for your exact location.

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Enter a ZIP code or city name – e.g. "10001" or "Boston, MA"

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5
School Days Predicted
Closure & dismissal probabilities
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NOAA Live Data
Updates daily

Scientific Prediction Model → What We Analyze

Our snow day predictor runs on four key weather signals to calculate school closure probability for your location. Here's what goes into every forecast:

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Temperature Analysis

We analyze rapid temperature drops that signal road freezing and school closure safety protocols.

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Snowfall Accumulation

Overnight and morning snowfall totals compared against historical snowfall amount for each location.

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Wind Chill Index

Dangerous wind chill temperatures are one of the primary drivers of school closures in northern states.

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Ice Accumulation

Even small amounts of ice can make roads dangerous and trigger emergency closures.

Powered by Real Weather Science

Our algorithm uses live NOAA forecasts grounded in statistical snowfall and temperature models for over 40,000 US ZIP codes.

40K+ Locations 5-Day Outlook NOAA Live Data Historical Patterns

How to Use Our Snow Day Calculator

Our snow day predictor is designed to be fast and simple. Here's how to get your forecast in just a few seconds.

1

Enter Your Location

Type your ZIP code or city name into the search bar. Our school closing calculator covers 40,000+ US locations. Just start typing and select your area from the suggestions.

2

Get Your 5-Day Forecast

Our snow day predictor instantly shows closure and early dismissal probabilities for the next five school days, powered by live NOAA weather data.

3

Plan Ahead

Plan your day before the district even decides. Check the detailed breakdown of snow, ice, temperature, and wind chill to understand what's driving the risk.