Snow History

Weather observations aggregated by Synoptic Data

New sites and known problems

Feel free to send us input.

Click on the site name for the current plot, or a month for an archived plot. If data is not up-to-date, refresh the page.

Need the backcountry weather forecast for western MT?  Check out NWS Missoula’s Backcountry Forecast page!

Do you run a weather site that you’d like to see on MesoWest? Join the Citizen Weather Observer Program! Your data will not only be useful to the avalanche community, but also to aviators, weather forecasters, and firefighters! You can find more info on CWOP here

Weather observations aggregated by Synoptic Data