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Backcountry Access Road Closure

Due to recent storm damage, the access road to the northern trailhead is closed until further notice. Please use alternate routes.

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Snoqualmie Pass

This is an archived product. View the most recent forecast or all archived forecasts.
Issued
Tuesday, September 22, 2026 - 6:00PM
Expires
Wednesday, September 23, 2026 - 6:00PM
Author
Rachel Fryan

The Bottom Line

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Avalanche Danger

Wednesday, September 23, 2026

Upper Elevations
6500-5500ft1 - LowLow
Middle Elevations
5500-4000ft1 - LowLow
Lower Elevations
4000-2500ft1 - LowLow

Thursday, September 24, 2026

Upper Elevations
6500-5500ft1 - LowLow
Middle Elevations
5500-4000ft1 - LowLow
Lower Elevations
4000-2500ft1 - LowLow
Elevation Band Descriptions
Avalanche Danger ScaleLearn moreGeneral Info1 - Low2 - Mod3 - Cons4 - High5 - Extr
Low
1 - Low
Moderate
2 - Moderate
Considerable
3 - Considerable
High
4 - High
Extreme
5 - Extreme
Travel AdviceGenerally safe avalanche conditions. Watch for unstable snow on isolated terrain features.Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern.Dangerous avalanche conditions. Careful snowpack evaluation, cautious route-finding and conservative decision-making essential.Very dangerous avalanche conditions. Travel in avalanche terrain not recommended.Extraordinarily dangerous avalanche conditions. Avoid all avalanche terrain.
Likelihood of AvalanchesNatural and human-triggered avalanches unlikely.Natural avalanches unlikely; human-triggered avalanches possible.Natural avalanches possible; human-triggered avalanches likely.Natural avalanches likely; human-triggered avalanches very likely.Natural and human-triggered avalanches certain.
Avalanche Size and DistributionSmall avalanches in isolated areas or extreme terrain.Small avalanches in specific areas; or large avalanches in isolated areas.Small avalanches in many areas; or large avalanches in specific areas; or very large avalanches in isolated areas.Large avalanches in many areas; or very large avalanches in specific areas.Very large avalanches in many areas.

This information is provided by the U.S.D.A. Forest Service and describes general backcountry avalanche hazard and conditions. It does not apply to ski areas and highways where avalanche mitigation is conducted.