Winter Weather Advisory

Locations Affected

Snowking Mountain, WA ∙ Deming, WA ∙ Wenatchee National Forest, WA ∙ Hamilton, WA ∙ Mount Shuksan, WA ∙ Mount Buckindy, WA ∙ Lyman Hill, WA ∙ Mount Baker-Snoqualmie National Forest, WA ∙ Mount Challenger, WA ∙ Sumas Mountain, WA

Full Alert Message

URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 1149 AM PST Tue Nov 4 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM WEDNESDAY TO 10 AM PST FRIDAY... * WHAT...Snow is likely. 4 to 8 inches of snow are expected along the Cascade crest and highest points of Highway 20. * WHERE...Cascades of Whatcom and Skagit Counties and higher elevations of Highway 20. * WHEN...From 4 PM Wednesday to 10 AM PST Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact travelers along Highway 20 from Wednesday evening through Thursday morning. * ADDITIONAL DETAILS...Higher snowfall amounts are likely in and around Mount Baker between 8 to 10 inches through Thursday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Prepare for possible power outages.

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