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Home Return to list Winter Weather Advisory 0026 Issued by the Seattle Forecast Office
Action: New Issued At: 2025-12-22 01:43:00 838 WWUS46 KSEW 220742 WSWSEW URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 1142 PM PST Sun Dec 21 2025 WAZ301-221545- /O.EXT.KSEW.WS.W.0011.000000T0000Z-251223T0600Z/ Cascades of Whatcom and Skagit Counties- Including Mount Baker 1142 PM PST Sun Dec 21 2025 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 PM PST MONDAY... * WHAT...Heavy snow at times. Additional snow accumulations of 12 to 18 inches. Winds gusting as high as 40 mph. * WHERE...Cascades of Whatcom and Skagit Counties. * WHEN...Until 10 PM PST Monday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Snow levels will vary between 1500 to 2500 feet. Snow will be heaviest Monday afternoon through Monday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Prepare for possible power outages. && $$ WAZ328-221545- /O.NEW.KSEW.WW.Y.0026.251222T1200Z-251223T0600Z/ Olympics- Including Hurricane Ridge 1142 PM PST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 10 PM PST MONDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 12 inches. Winds gusting as high as 40 mph. * WHERE...Olympics. * WHEN...From 4 AM to 10 PM PST Monday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...Snow levels will vary between 2000 to 2500 feet. Snow will be heaviest Monday afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Prepare for possible power outages. && $$ WAZ302>304-221200- /O.CON.KSEW.WW.Y.0025.000000T0000Z-251222T1200Z/ Cascades of Snohomish and Northern King Counties-Cascades of Southern King County-Cascades of Pierce and Lewis Counties- Including Snoqualmie Pass, Crystal Mountain, Greenwater, Stevens Pass, SR18 at Tiger Mountain Summit, White Pass, Longmire, Paradise, Mount Rainier, and Ashford 1142 PM PST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... * WHAT...Snow. Additional snow accumulations up to three inches. * WHERE...Cascades of Snohomish and Northern King Counties, Cascades of Pierce and Lewis Counties, and Cascades of Southern King County. * WHEN...Until 4 AM PST Monday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Prepare for possible power outages. && $$ JD Action: Continued Issued At: 2025-12-22 05:59:38 225 WWUS46 KSEW 221159 WSWSEW URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 359 AM PST Mon Dec 22 2025 WAZ302>304-221300- /O.EXP.KSEW.WW.Y.0025.000000T0000Z-251222T1200Z/ Cascades of Snohomish and Northern King Counties-Cascades of Southern King County-Cascades of Pierce and Lewis Counties- Including Longmire, Crystal Mountain, Mount Rainier, SR18 at Tiger Mountain Summit, Snoqualmie Pass, Stevens Pass, Paradise, Ashford, White Pass, and Greenwater 359 AM PST Mon Dec 22 2025 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 4 AM PST EARLY THIS MORNING... A few snow showers will linger early this morning, but little to no additional accumulation expected. Another round of snow is expected later this afternoon into tonight, resulting in 2 to 5 inches of snow for the Cascade Passes, and higher amounts for Paradise along Mt. Rainier. $$ WAZ301-222315- /O.CON.KSEW.WS.W.0011.000000T0000Z-251223T0600Z/ Cascades of Whatcom and Skagit Counties- Including Mount Baker 359 AM PST Mon Dec 22 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Heavy snow at times. Additional snow accumulations of 10 to 16 inches. Winds gusting as high as 40 mph. * WHERE...Cascades of Whatcom and Skagit Counties. * WHEN...Until 10 PM PST this evening. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Snow levels will vary between 1500 to 2500 feet. Snow will be heaviest this afternoon through this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Prepare for possible power outages. && $$ WAZ328-222315- /O.CON.KSEW.WW.Y.0026.251222T1200Z-251223T0600Z/ Olympics- Including Hurricane Ridge 359 AM PST Mon Dec 22 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Snow expected. Total snow accumulations of 6 to 10 inches. Winds gusting as high as 40 mph. * WHERE...Olympics. * WHEN...Until 10 PM PST this evening. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...Snow levels will vary between 2000 to 2500 feet. Snow will be heaviest this afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Prepare for possible power outages. && $$ JD Action: Continued Issued At: 2025-12-22 16:41:56 041 WWUS46 KSEW 222241 WSWSEW URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 241 PM PST Mon Dec 22 2025 WAZ301-230600- /O.CON.KSEW.WS.W.0011.000000T0000Z-251223T0600Z/ Cascades of Whatcom and Skagit Counties- Including Mount Baker 241 PM PST Mon Dec 22 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Heavy snow at times. Additional snow accumulations up to 6 to 12 inches. Winds gusting as high as 40 mph. * WHERE...Cascades of Whatcom and Skagit Counties. * WHEN...Until 10 PM PST this evening. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Prepare for possible power outages. && $$ WAZ328-230600- /O.CON.KSEW.WW.Y.0026.000000T0000Z-251223T0600Z/ Olympics- Including Hurricane Ridge 241 PM PST Mon Dec 22 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Snow. Additional snow accumulations of 4 to 8 inches. Winds gusting as high as 45 mph. * WHERE...Olympics. * WHEN...Until 10 PM PST this evening. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday evening commute. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Snow levels will vary between 2000 to 2500 feet. Snow will be heaviest this afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Prepare for possible power outages. && $$ 15 Action: Expired Issued At: 2025-12-22 23:46:06 398 WWUS46 KSEW 230545 WSWSEW URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 945 PM PST Mon Dec 22 2025 WAZ301-230645- /O.EXP.KSEW.WS.W.0011.000000T0000Z-251223T0600Z/ Cascades of Whatcom and Skagit Counties- Including Mount Baker 945 PM PST Mon Dec 22 2025 ...WINTER STORM WARNING WILL EXPIRE AT 10 PM PST THIS EVENING... Conditions are below warning criteria. Lingering snow showers will continue tonight with additional light accumulations. $$ WAZ328-230645- /O.EXP.KSEW.WW.Y.0026.000000T0000Z-251223T0600Z/ Olympics- Including Hurricane Ridge 945 PM PST Mon Dec 22 2025 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 PM PST THIS EVENING... Conditions are below advisory criteria. Lingering snow showers will continue tonight with additional light accumulations. $$ 29 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||