Avalanche Education Calendar
GNFAC classes in Red; Private-sector classes are in Blue
GNFAC Instagram
#GetTheForecast at mtavalanche.com/forecast
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The snowpack in the mountains around Bozeman, Big Sky, West Yellowstone and Cooke City is generally ...
Today (4/11/21) it feels like winter with cold temperatures and a few inches of new snow near Bozeman and Big Sky. The new snow creates some hazards, ...
Today (4/10/21) the snowpack is generally stable aside from small and isolated hazards. A few fresh drifts will grow with increasing west winds. As ...
New snow could avalanche today where it is drifted into deeper slab or where it loses cohesion in the strong spring sun. The Madison Range, Gallatin ...
GNFAC News
Resources
Weather Stations
Weather Stations provide the GNFAC forecasters with information on snowfall, wind and temps from around the region. The Weather Log summarizes this daily.
Avalanche Education
GNFAC partners with groups around the region to provide evening avalanche classes, plus full day and multi-day courses, including some weekend field days. All our class offerings, along with courses from other providers, are on our Education Calendar.
Placenames
Use this map to find the locations of unfamiliar places mentioned in the advisory. Also take a look at our glossary of avalanche terms.
Support
Donate to the Friends of GNFAC; or order DVDs or 'Snow Sense' avalanche safety handbook.