About Us
What this site is
PredictSnowDays.org offers a free Snow Day Calculator that estimates the chance of school closures from live weather forecasts. It is built for students, parents, and teachers in the US, Canada, and the UK.
Who runs it
This site is run by Elizabeth. She maintains the calculator, writes the guides on the blog, and keeps the forecast data and methodology up to date.
How the prediction works
The calculator uses a transparent scoring model that weighs snowfall, overnight timing, cold, ice risk, and wind to produce an estimate between 3% and 97%. Read the full methodology.
A note on accuracy
These predictions are estimates only and are not official closure announcements. Always confirm with your school district, and see our disclaimer for details.
What’s New — Changelog
- Oct 2026 — Manual School Closure Calculator added
- Oct 2026 — Snow Day Chance % badge with “Why this score?” factor breakdown
- Oct 2026 — °C/°F toggle
- Oct 2026 — ?city= shareable links
- Oct 2026 — 20 city predictor pages published
- Oct 2026 — Methodology page and FAQ added