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Blizzard Warning

Status

Event Continued Expired

Start Time

Wed 12/17/2025 05:00 AM EST

End Time

Wed 12/17/2025 03:00 PM EST

Significance

Warning

Impacts

High impact

Full Alert Message

URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 820 PM PST Tue Dec 16 2025 ...BLIZZARD WARNING REMAINS IN EFFECT FROM 2 AM TO NOON PST WEDNESDAY... * WHAT...Snow expected at or above elevations greater than 2000 ft. Blizzard conditions are possible at times due to winds gusting as high as 45 to 50 mph. * WHERE...Cascades of Snohomish and Northern King Counties, Cascades of Whatcom and Skagit Counties, Cascades of Pierce and Lewis Counties, and Cascades of Southern King County. * WHEN...From 2 AM to noon PST Wednesday. * IMPACTS...Travel and other activities could be very difficult to impossible. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes. Very strong winds could cause extensive tree damage. * ADDITIONAL DETAILS...Total snow accumulations upwards of 10 to 15 inches at Snoqualmie Pass, with 15 to 20 inches at Stevens Pass. Mount Rainier and Mount Baker could see amounts upwards to 2 feet or more. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. Prepare for possible power outages.

Technical Header

WAZ301>304-171300- /O.CON.KSEW.BZ.W.0001.251217T1000Z-251217T2000Z/ Cascades of Whatcom and Skagit Counties-Cascades of Snohomish and Northern King Counties-Cascades of Southern King County-Cascades of Pierce and Lewis Counties- Including Paradise, Mount Baker, Snoqualmie Pass, Longmire, Ashford, Mount Rainier, Crystal Mountain, Stevens Pass, Silverton, and Greenwater 820 PM PST Tue Dec 16 2025