Winter Weather Advisory

Locations Affected

Heney Glacier, AK ∙ Schwan Glacier, AK ∙ Woodworth Glacier, AK

Full Alert Message

URGENT - WINTER WEATHER MESSAGE National Weather Service Anchorage AK 248 AM AKDT Tue Oct 20 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM AKDT WEDNESDAY... * WHAT...Snow expected. Additional snow accumulations between 10 and 16 inches, mainly near the top of the pass. * WHERE...Thompson Pass. * WHEN...Until 4 AM AKDT Wednesday. * IMPACTS...Travel could be difficult. Be prepared for slippery roads. * ADDITIONAL DETAILS...A long duration snowfall event will continue through tonight. Temperatures at of slightly above freezing will allow snow to change to rain at times for lower elevations of the pass. At the top of the pass, snow will be more prolonged but may also briefly mix with rain at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest road conditions call 5 1 1 or visit 511.alaska.gov.

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