Sierra Avalanche Center

Stay Tuned: Forecasts will begin in November/December!

View the Daily Forecast

Published daily at 7am, stay in the know with the latest conditions.

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Submit Observation

Contribute to the community by submitting your backcountry observation.

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Support Your Local Forecast

Your contribution allows us to provide a free daily avalanche advisory and promote avalanche awareness.

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Upcoming News & Events

November 2, 2025

Braap Bash! - Nov. 8

Tasha Thomas will be hosting a table to answer questions about SAC's FREE motorized avalanche classes. Registration opens in just a few weeks!

November 2, 2025

Avalanche Awareness at Alibi Incline - Nov 12

Join the Sierra Avalanche Center and fellow backcountry enthusiasts at Alibi Incline for an Avalanche Awareness presentation and raffle.

Designed for the Deep x Avy Aware - Nov. 19

Get stoked with Black Diamond & AIARE and join us for an evening of mingling, backcountry tips and tricks from BD athletes and AIARE instructors ...

Understanding the Danger Scale

The North American Avalanche Danger Scale is a tool used by avalanche forecasters to communicate the potential for avalanches to cause harm or injury to backcountry travelers. This video provides an overview of the scale, as well as a quick illustration of how it applies to your daily backcountry risk assessment.

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