# SnowDayCalculator.io

> Live winter-weather calculators for school, travel, and home decisions in the United States and Canada.

SnowDayCalculator.io estimates snow-day odds, delays, ice risk, road conditions, and related winter impacts from live forecast APIs (OpenWeather with Open-Meteo fallback). Results are informational planning estimates. They are not official school, NWS, or government notices.

Last editorial review: 2026-08-17

## Primary tools

- [Snow Day Predictor](https://snowdaycalculator.io/snow-day-predictor/): Overnight and morning school-closure odds
- [School Delay Calculator](https://snowdaycalculator.io/school-delay-calculator/): One-hour, two-hour, and late-start likelihood
- [School Closure Calculator](https://snowdaycalculator.io/school-closure-calculator/): Full-day district closure risk
- [Snowfall Predictor](https://snowdaycalculator.io/snowfall-predictor/): 24–72 hour snowfall totals
- [Winter Storm Risk](https://snowdaycalculator.io/winter-storm-risk-calculator/): Combined snow, wind, and ice impact
- [Road Condition Calculator](https://snowdaycalculator.io/road-condition-calculator/): Pavement status from live weather
- [All calculators](https://snowdaycalculator.io/calculators/)

## Guides

- [What is a snow day calculator?](https://snowdaycalculator.io/blog/what-is-a-snow-day-calculator-and-how-does-it-work/)
- [How schools decide closures](https://snowdaycalculator.io/blog/how-schools-decide-whether-to-close-during-snowstorms/)
- [How much snow for a snow day](https://snowdaycalculator.io/blog/how-much-snow-is-needed-for-a-snow-day/)
- [Winter storm safety guide](https://snowdaycalculator.io/blog/winter-storm-safety-guide-2026/)
- [Weather guides hub](https://snowdaycalculator.io/weather-guides/)

## Policy

- [Disclaimer](https://snowdaycalculator.io/disclaimer/)
- [Privacy](https://snowdaycalculator.io/privacy-policy/)
- [About](https://snowdaycalculator.io/about/)
- [Contact](https://snowdaycalculator.io/contact/)