Last updated: October 15, 2026
Not an official closure source
Snow Day Calculator gives forecast-based estimates of the chance that school will be closed or delayed. It does not announce closures. Only your school or district can close schools, delay a start or switch to remote learning. Always confirm with your school or district.
Not affiliated
This website is independent. It is not affiliated with, endorsed by or sponsored by any school district (including NYC Public Schools, Denver Public Schools or any Michigan district), any state education department, or the National Weather Service / NOAA. District and agency names are used only to describe their public policies.
Forecast data
Forecast data comes from the National Weather Service API and may be delayed, incomplete or revised. Use of NWS data does not imply NWS endorsement.
Information in our guides
We research district rules and state laws carefully, but policies change. Dates, phone numbers and procedures should be checked against the official source before you rely on them.
External links
We link to official and third-party sites for your convenience and are not responsible for their content.