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Home Return to list Winter Weather Advisory 0019 Issued by the Seattle Forecast Office
Action: New Issued At: 2025-11-04 13:49:21 789 WWUS46 KSEW 041949 WSWSEW URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 1149 AM PST Tue Nov 4 2025 WAZ301-050400- /O.NEW.KSEW.WW.Y.0019.251106T0000Z-251107T1800Z/ Cascades of Whatcom and Skagit Counties- Including Mount Baker 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. && $$ 21 Action: Continued Issued At: 2025-11-04 21:35:03 293 WWUS46 KSEW 050334 WSWSEW URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 734 PM PST Tue Nov 4 2025 WAZ301-051215- /O.CON.KSEW.WW.Y.0019.251106T0000Z-251107T1800Z/ Cascades of Whatcom and Skagit Counties- Including Mount Baker 734 PM PST Tue Nov 4 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM WEDNESDAY TO 10 AM PST FRIDAY... * WHAT...Snow is likely. Total snow accumulations between 6 to 12 inches are expected along the Cascade crest and highest points of Highway 20. * WHERE...Cascades of Whatcom and Skagit Counties. * WHEN...From 4 PM Wednesday to 10 AM PST Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact travelers along Highway 20 from Wednesday evening through Thursday morning, as well as Thursday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Prepare for possible power outages. && $$ JD Action: Continued Issued At: 2025-11-05 04:52:06 838 WWUS46 KSEW 051051 WSWSEW URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 251 AM PST Wed Nov 5 2025 WAZ301-051900- /O.CON.KSEW.WW.Y.0019.251106T0000Z-251107T1800Z/ Cascades of Whatcom and Skagit Counties- Including Mount Baker 251 AM PST Wed Nov 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 AM PST FRIDAY... * WHAT...Snow is likely. Total snow accumulations between 6 to 12 inches are expected along the Cascade crest and highest points of Highway 20. * WHERE...Cascades of Whatcom and Skagit Counties. * WHEN...From 4 PM this afternoon 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, as well as Thursday night. * 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. && $$ 41 Action: Time Extended Issued At: 2025-11-05 07:42:11 115 WWUS46 KSEW 051342 WSWSEW URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 542 AM PST Wed Nov 5 2025 WAZ301-052145- /O.EXT.KSEW.WW.Y.0019.251105T1400Z-251107T1800Z/ Cascades of Whatcom and Skagit Counties- Including Mount Baker 542 AM PST Wed Nov 5 2025 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM PST FRIDAY... * WHAT...Snow is likely. Total snow accumulations between 6 to 12 inches are expected along the Cascade crest and highest points of Highway 20. * WHERE...Cascades of Whatcom and Skagit Counties. * WHEN...Until 10 AM PST Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact travelers along Highway 20 from Wednesday evening through Thursday morning, as well as Thursday night. * ADDITIONAL DETAILS...Higher snowfall amounts are likely in and around Mount Baker between 8 to 10 inches through Thursday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Prepare for possible power outages. && $$ 41 Action: Upgraded Issued At: 2025-11-05 13:53:21 264 WWUS46 KSEW 051952 WSWSEW URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 1152 AM PST Wed Nov 5 2025 WAZ301-060400- /O.UPG.KSEW.WW.Y.0019.000000T0000Z-251107T1800Z/ /O.NEW.KSEW.WS.W.0007.251105T1952Z-251107T1800Z/ Cascades of Whatcom and Skagit Counties- Including Mount Baker 1152 AM PST Wed Nov 5 2025 ...WINTER STORM WARNING IN EFFECT UNTIL 10 AM PST FRIDAY... * WHAT...Heavy snow. Additional snow accumulations up to 8 to 12 inches along Highway 20 west of Washington Pass. Additional snow accumulations of 12 to 24 inches are possible on Mount Baker. * WHERE...Cascades of Whatcom and Skagit Counties. * WHEN...Until 10 AM PST Friday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Wednesday evening and Thursday morning commutes. * ADDITIONAL DETAILS...The highest elevations within the Cascades of Whatcom and Skagit counties could receive nearly 3 feet of snow through Friday morning. 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. && $$ 21 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||