NOAA Current Watches-WA

* WHAT...Heavy snow possible. Total snow accumulations between 2 and 7 inches possible. * WHERE...San Juan County and Western Whatcom County. * WHEN...From Saturday evening through Monday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Snow showers are likely at times Saturday night through Monday morning, with localized heavier snowfall amounts possible. The potential for refreezing exists Monday morning. Winter Storm Watch 2025-01-30T13:33:00-08:00 2025-01-30T13:33:00-08:00 2025-02-01T22:00:00-08:00 2025-01-31T04:30:00-08:00 Actual Alert Met Future Severe Possible San Juan County; Western Whatcom County SAME 053055 SAME 053073 UGC WAZ001 UGC WAZ503 AWIPSidentifier WSWSEW WMOidentifier WWUS46 KSEW 302133 NWSheadline WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.NEW.KSEW.WS.A.0002.250202T0600Z-250203T1800Z/ eventEndingTime 2025-02-03T18:00:00+00:00

* WHAT...Heavy snow possible. Total snow accumulations between 2 and 7 inches possible. * WHERE...East Puget Sound Lowlands. * WHEN...From Saturday evening through Monday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Snow showers will be likely at times during this period. The heaviest snowfall amounts are expected in the higher elevations near the Cascades. The potential for refreezing exists Monday morning. Winter Storm Watch 2025-01-30T13:33:00-08:00 2025-01-30T13:33:00-08:00 2025-02-01T22:00:00-08:00 2025-01-31T04:30:00-08:00 Actual Alert Met Future Severe Possible East Puget Sound Lowlands SAME 053033 SAME 053053 SAME 053061 UGC WAZ555 AWIPSidentifier WSWSEW WMOidentifier WWUS46 KSEW 302133 NWSheadline WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.NEW.KSEW.WS.A.0002.250202T0600Z-250203T1800Z/ eventEndingTime 2025-02-03T18:00:00+00:00

* WHAT...Heavy snow possible. Total snow accumulations between 3 and 12 inches possible. The highest snowfall amounts will be away from the water. Locally higher snowfall amounts are possible in the higher elevations. * WHERE...North Coast and Western Strait of Juan De Fuca. * WHEN...From Friday evening through Monday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...Rain will transition to a rain and snow mix Friday night into Saturday morning. The highest potential for accumulating snowfall will be Saturday night through Monday. The potential for refreezing exists Monday morning. Winter Storm Watch 2025-01-30T13:33:00-08:00 2025-01-30T13:33:00-08:00 2025-01-31T22:00:00-08:00 2025-01-31T04:30:00-08:00 Actual Alert Met Future Severe Possible Western Strait of Juan De Fuca; North Coast SAME 053009 SAME 053031 UGC WAZ515 UGC WAZ516 AWIPSidentifier WSWSEW WMOidentifier WWUS46 KSEW 302133 NWSheadline WINTER STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH MONDAY MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.NEW.KSEW.WS.A.0002.250201T0600Z-250203T1800Z/ eventEndingTime 2025-02-03T18:00:00+00:00

* WHAT...Heavy snow possible. Total snow accumulations between 2 and 9 inches possible. * WHERE...Central Coast and Lower Chehalis Valley Area. * WHEN...From Saturday evening through Monday morning. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute. * ADDITIONAL DETAILS...The heaviest snowfall amounts will be away from the water, especially along the southwest slopes of the Olympics. Snow may mix in with rain at times, primarily along the water on Sunday. The potential for refreezing exists Monday morning. Winter Storm Watch 2025-01-30T13:33:00-08:00 2025-01-30T13:33:00-08:00 2025-02-01T22:00:00-08:00 2025-01-31T04:30:00-08:00 Actual Alert Met Future Severe Possible Lower Chehalis Valley Area; Central Coast SAME 053027 SAME 053045 UGC WAZ512 UGC WAZ517 AWIPSidentifier WSWSEW WMOidentifier WWUS46 KSEW 302133 NWSheadline WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.NEW.KSEW.WS.A.0002.250202T0600Z-250203T1800Z/ eventEndingTime 2025-02-03T18:00:00+00:00

* WHAT...Heavy snow possible. Total snow accumulations of 2 to 4 inches possible. * WHERE...In Oregon, North Oregon Coast Range. In Washington, Willapa Hills. * WHEN...From Friday evening through Saturday afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Snow levels will start around 3000-4000 ft on Saturday morning, before lowering towards 500-1000 ft by late Saturday morning. Winter Storm Watch 2025-01-30T12:42:00-08:00 2025-01-30T12:42:00-08:00 2025-01-31T22:00:00-08:00 2025-01-31T04:00:00-08:00 Actual Update Met Future Severe Possible North Oregon Coast Range; Willapa Hills SAME 041057 SAME 041007 SAME 041009 SAME 041067 SAME 041071 SAME 053049 SAME 053069 SAME 053015 UGC ORZ106 UGC WAZ203 AWIPSidentifier WSWPQR WMOidentifier WWUS46 KPQR 302042 NWSheadline WINTER STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY AFTERNOON BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.CON.KPQR.WS.A.0002.250201T0600Z-250202T0000Z/ eventEndingTime 2025-02-02T00:00:00+00:00

* WHAT...Heavy snow possible above 3000 feet. Total snow accumulations between 6 and 12 inches, and up to 15 inches above 5000 ft. Winds could gust as high as 40 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...From 4 AM Friday to 4 PM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Snow levels will start around 4000-5000 ft on Friday, before lowering towards 3000-3500 ft by Friday night. Heavier precipitation to start late Friday morning with a slow decrease in intensity through Saturday morning. Winter Storm Warning 2025-01-30T12:42:00-08:00 2025-01-30T12:42:00-08:00 2025-01-31T04:00:00-08:00 2025-01-31T04:00:00-08:00 Actual Update Met Expected Severe Likely North Oregon Cascades; Cascades of Marion and Linn Counties; Cascades of Lane County; South Washington Cascades SAME 041005 SAME 041027 SAME 041051 SAME 041047 SAME 041043 SAME 041039 SAME 053059 SAME 053015 SAME 053011 UGC ORZ126 UGC ORZ127 UGC ORZ128 UGC WAZ211 AWIPSidentifier WSWPQR WMOidentifier WWUS46 KPQR 302042 NWSheadline WINTER STORM WARNING IN EFFECT FROM 4 AM FRIDAY TO 4 PM PST SATURDAY ABOVE 3000 FEET BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.CON.KPQR.WS.W.0001.250131T1200Z-250202T0000Z/ eventEndingTime 2025-02-02T00:00:00+00:00

...SNOW AND AREAS OF FREEZING RAIN TONIGHT THROUGH SATURDAY... .A significant change in the weather pattern begins tonight as winter storm system arrives from the Pacific and brings moderate to heavy snow to the Cascades and Blue Mountains. There will be rain and areas of light freezing rain across the Columbia Basin and the Kittitas and Yakima Valleys. * WHAT...Mixed precipitation expected. Light freezing rain will create ice accumulations of a glaze to one tenth of an inch. Little to no snow accumulation. * WHERE...Lower Columbia Basin of Oregon and Washington, Kittitas Valley, and Yakima Valley. * WHEN...From 10 PM this evening to 10 AM PST Friday. * IMPACTS...The hazardous conditions could impact the Friday morning commute. * ADDITIONAL DETAILS...Although the air temperature will be in the lower 30s for most areas, the road temperatures will be below freezing that will create light ice accumulations. Winter Weather Advisory 2025-01-30T12:36:00-08:00 2025-01-30T12:36:00-08:00 2025-01-30T22:00:00-08:00 2025-01-31T04:00:00-08:00 Actual Alert Met Expected Moderate Likely Lower Columbia Basin of Oregon; Kittitas Valley; Yakima Valley; Lower Columbia Basin of Washington SAME 041049 SAME 041059 SAME 053037 SAME 053077 SAME 053005 SAME 053021 SAME 053039 SAME 053071 UGC ORZ044 UGC WAZ026 UGC WAZ027 UGC WAZ028 AWIPSidentifier WSWPDT WMOidentifier WWUS46 KPDT 302036 NWSheadline WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KPDT.WW.Y.0004.250131T0600Z-250131T1800Z/ eventEndingTime 2025-01-31T18:00:00+00:00

...SNOW AND AREAS OF FREEZING RAIN TONIGHT THROUGH SATURDAY... .A significant change in the weather pattern begins tonight as winter storm system arrives from the Pacific and brings moderate to heavy snow to the Cascades and Blue Mountains. There will be rain and areas of light freezing rain across the Columbia Basin and the Kittitas and Yakima Valleys. * WHAT...Heavy snow expected above 3000 feet. Total snow accumulations between 8 and 18 inches. Winds gusting as high as 50 mph along exposed ridgetops. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From 10 PM this evening to 4 PM PST Saturday. * IMPACTS...Heavy snowfall and very low visibility will create extremely dangerous driving conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Precipitation will begin as snow for Snoqualmie Pass, before transitioning to rain Friday afternoon. Rain will then transition to snow again at Snoqualmie Pass Friday night. Winter Storm Warning 2025-01-30T12:36:00-08:00 2025-01-30T12:36:00-08:00 2025-01-30T22:00:00-08:00 2025-01-31T04:00:00-08:00 Actual Alert Met Expected Severe Likely Upper Slopes of the Eastern Washington Cascades Crest SAME 053037 SAME 053077 UGC WAZ522 AWIPSidentifier WSWPDT WMOidentifier WWUS46 KPDT 302036 NWSheadline WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST SATURDAY ABOVE 3000 FEET BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.NEW.KPDT.WS.W.0001.250131T0600Z-250202T0000Z/ eventEndingTime 2025-02-02T00:00:00+00:00

...SNOW AND AREAS OF FREEZING RAIN TONIGHT THROUGH SATURDAY... .A significant change in the weather pattern begins tonight as winter storm system arrives from the Pacific and brings moderate to heavy snow to the Cascades and Blue Mountains. There will be rain and areas of light freezing rain across the Columbia Basin and the Kittitas and Yakima Valleys. * WHAT...Snow expected above 4000 feet. Total snow accumulations between 6 and 12 inches. Local winds gusting as high as 35 mph will cause blowing and drifting of snow. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...From 4 AM Friday to 4 PM PST Saturday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Total snowfall accumulations for I-84 along the Blue Mountains, including Meacham, are only expected to be around 3 to 5 inches. Winter Weather Advisory 2025-01-30T12:36:00-08:00 2025-01-30T12:36:00-08:00 2025-01-31T04:00:00-08:00 2025-01-31T04:00:00-08:00 Actual Alert Met Expected Moderate Likely Northern Blue Mountains of Oregon; Northwest Blue Mountains SAME 041059 SAME 041061 SAME 041063 SAME 053013 SAME 053071 UGC ORZ502 UGC WAZ030 AWIPSidentifier WSWPDT WMOidentifier WWUS46 KPDT 302036 NWSheadline WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM FRIDAY TO 4 PM PST SATURDAY ABOVE 4000 FEET BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KPDT.WW.Y.0004.250131T1200Z-250202T0000Z/ eventEndingTime 2025-02-02T00:00:00+00:00

* WHAT...Mixed precipitation expected. Total snow accumulations up to two inches and ice accumulations around a light glaze to 0.10 inches. * WHERE...Ritzville, Odessa, Creston, Harrington, Wilbur, Grand Coulee, Quincy, Ephrata, Coulee City, Moses Lake, and Othello. * WHEN...From 10 PM this evening to 10 AM PST Friday. * IMPACTS...Plan on slippery road conditions. The conditions could impact the Friday morning commute. * ADDITIONAL DETAILS...The greatest chance for freezing rain is along I-90 from Vantage to Moses Lake. Winter Weather Advisory 2025-01-30T12:28:00-08:00 2025-01-30T12:28:00-08:00 2025-01-30T22:00:00-08:00 2025-01-31T06:00:00-08:00 Actual Alert Met Expected Moderate Likely Moses Lake Area; Upper Columbia Basin SAME 053001 SAME 053025 SAME 053017 SAME 053043 SAME 053047 UGC WAZ034 UGC WAZ035 AWIPSidentifier WSWOTX WMOidentifier WWUS46 KOTX 302028 NWSheadline WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KOTX.WW.Y.0005.250131T0600Z-250131T1800Z/ eventEndingTime 2025-01-31T18:00:00+00:00

* WHAT...Snow expected. Total snow accumulations up to two inches. * WHERE...Potlatch, Spokane Valley, Rosalia, Oakesdale, Rockford, Worley, La Crosse, Colfax, Pullman, Tekoa, Downtown Spokane, Uniontown, Moscow, Airway Heights, Fairfield, Davenport, Genesee, Hayden, Plummer, Post Falls, Cheney, and Coeur d'Alene. * WHEN...From 4 AM to 1 PM PST Friday. * IMPACTS...Plan on slippery road conditions. The conditions could impact the Friday morning commute. Winter Weather Advisory 2025-01-30T12:28:00-08:00 2025-01-30T12:28:00-08:00 2025-01-31T04:00:00-08:00 2025-01-31T06:00:00-08:00 Actual Alert Met Expected Moderate Likely Coeur d'Alene Area; Idaho Palouse; Washington Palouse; Spokane Area SAME 016055 SAME 016009 SAME 016057 SAME 053063 SAME 053075 SAME 053043 UGC IDZ002 UGC IDZ003 UGC WAZ033 UGC WAZ036 AWIPSidentifier WSWOTX WMOidentifier WWUS46 KOTX 302028 NWSheadline WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 1 PM PST FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KOTX.WW.Y.0005.250131T1200Z-250131T2100Z/ eventEndingTime 2025-01-31T21:00:00+00:00

* WHAT...Snow expected. Total snow accumulations between 2 and 7 inches in the valleys and 7 to 15 inches in the mountains. * WHERE...Metaline, Northport, Colville, Metaline Falls, Tiger, Orin-Rice Road, Springdale-Hunters Road, Deer Park, Kettle Falls, Chewelah, Fruitland, Ione, Newport, and Flowery Trail Road. * WHEN...From 10 PM this evening to 10 PM PST Friday. * IMPACTS...Travel could be difficult. The conditions could impact the Friday morning and evening commutes. Winter Weather Advisory 2025-01-30T12:28:00-08:00 2025-01-30T12:28:00-08:00 2025-01-30T22:00:00-08:00 2025-01-31T06:00:00-08:00 Actual Alert Met Expected Moderate Likely Northeast Mountains SAME 053051 SAME 053063 SAME 053065 UGC WAZ037 AWIPSidentifier WSWOTX WMOidentifier WWUS46 KOTX 302028 NWSheadline WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 PM PST FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KOTX.WW.Y.0005.250131T0600Z-250201T0600Z/ eventEndingTime 2025-02-01T06:00:00+00:00

* WHAT...Snow expected. Total snow accumulations between 2 and 7 inches. * WHERE...Boulder Creek Road, Wauconda, Sherman Pass, Republic, Highway 20 Wauconda Summit, Inchelium, and Chesaw Road. * WHEN...From 10 PM this evening to 10 PM PST Friday. * IMPACTS...Travel could be difficult. The conditions could impact the Friday morning and evening commutes. Winter Weather Advisory 2025-01-30T12:28:00-08:00 2025-01-30T12:28:00-08:00 2025-01-30T22:00:00-08:00 2025-01-31T06:00:00-08:00 Actual Alert Met Expected Moderate Likely Okanogan Highlands SAME 053019 SAME 053047 UGC WAZ038 AWIPSidentifier WSWOTX WMOidentifier WWUS46 KOTX 302028 NWSheadline WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 PM PST FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KOTX.WW.Y.0005.250131T0600Z-250201T0600Z/ eventEndingTime 2025-02-01T06:00:00+00:00

* WHAT...Snow expected. Total snow accumulations between 1 and 3 inches. Locally higher amounts around 3 to 6 inches for Plain and Mazama. * WHERE...Bridgeport, Winthrop, Okanogan, Loup Loup Pass, Conconully, Methow, Plain, Nespelem, Mazama, Tonasket, Omak, Oroville, Mansfield, Twisp, Disautel Pass, Brewster, Leavenworth, Badger Mountain Road, and Waterville. * WHEN...From 10 PM this evening to 10 PM PST Friday. * IMPACTS...Travel could be difficult. The conditions could impact the Friday morning and evening commutes. Winter Weather Advisory 2025-01-30T12:28:00-08:00 2025-01-30T12:28:00-08:00 2025-01-30T22:00:00-08:00 2025-01-31T06:00:00-08:00 Actual Alert Met Expected Moderate Likely Okanogan Valley; Waterville Plateau; Central Chelan County; Western Okanogan County SAME 053017 SAME 053047 SAME 053025 SAME 053007 UGC WAZ043 UGC WAZ044 UGC WAZ047 UGC WAZ049 AWIPSidentifier WSWOTX WMOidentifier WWUS46 KOTX 302028 NWSheadline WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 PM PST FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KOTX.WW.Y.0005.250131T0600Z-250201T0600Z/ eventEndingTime 2025-02-01T06:00:00+00:00

* WHAT...Heavy snow expected. Total snow accumulations between 18 and 24 inches, except 6 to 12 inches for Holden Village and Stehekin. Winds gusting as high as 35 mph. * WHERE...Stevens Pass. * WHEN...From 10 PM this evening to 4 PM PST Saturday. * IMPACTS...Travel could be very difficult. The conditions could impact the Friday morning and evening commutes. Winter Storm Warning 2025-01-30T12:28:00-08:00 2025-01-30T12:28:00-08:00 2025-01-30T22:00:00-08:00 2025-01-31T06:00:00-08:00 Actual Alert Met Expected Severe Likely Western Chelan County SAME 053007 UGC WAZ048 AWIPSidentifier WSWOTX WMOidentifier WWUS46 KOTX 302028 NWSheadline WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.NEW.KOTX.WS.W.0001.250131T0600Z-250202T0000Z/ eventEndingTime 2025-02-02T00:00:00+00:00

* WHAT...Heavy snow expected at or above elevations greater than 3000 ft. Total snow accumulations between 10 and 30 inches. Winds gusting as high as 40 mph. * WHERE...West Slopes North Cascades and Passes, West Slopes North Central Cascades and Passes, and West Slopes South Central Cascades and Passes. * WHEN...From 10 PM this evening to 4 PM PST Saturday. * IMPACTS...Travel could be very difficult to impossible. * ADDITIONAL DETAILS...Snow levels will start around 2500-3500 feet tonight before rising to 4000 feet Friday afternoon. Snow levels will then lower to near 2000 feet Friday night. Precipitation will begin as snow for Snoqualmie Pass, before transitioning to rain Friday afternoon. Rain will then transition to snow again at Snoqualmie Pass and increase in intensity Friday night. Winter Storm Warning 2025-01-30T11:53:00-08:00 2025-01-30T11:53:00-08:00 2025-01-30T22:00:00-08:00 2025-01-31T04:00:00-08:00 Actual Alert Met Expected Severe Likely West Slopes North Cascades and Passes; West Slopes North Central Cascades and Passes; West Slopes South Central Cascades and Passes SAME 053057 SAME 053073 SAME 053033 SAME 053061 SAME 053041 SAME 053053 UGC WAZ567 UGC WAZ568 UGC WAZ569 AWIPSidentifier WSWSEW WMOidentifier WWUS46 KSEW 301953 NWSheadline WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST SATURDAY AT OR ABOVE ELEVATIONS GREATER THAN 3000 FT BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.NEW.KSEW.WS.W.0001.250131T0600Z-250202T0000Z/ eventEndingTime 2025-02-02T00:00:00+00:00

* WHAT...Stagnant air conditions will have potential to trap pollutants near the ground. * WHERE...Portions of North Idaho and Central, North Central, and Northeast Washington. * WHEN...Until 4 AM PST Friday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface. Air Stagnation Advisory 2025-01-30T10:21:00-08:00 2025-01-30T10:21:00-08:00 2025-01-30T10:21:00-08:00 2025-01-31T04:00:00-08:00 Actual Update Met Expected Moderate Likely Northern Panhandle; Coeur d'Alene Area; Central Panhandle Mountains; Spokane Area; Northeast Mountains; Okanogan Highlands; Wenatchee Area; Okanogan Valley; Waterville Plateau; Central Chelan County; Western Chelan County; Western Okanogan County SAME 016017 SAME 016021 SAME 016055 SAME 016009 SAME 016057 SAME 016079 SAME 053043 SAME 053063 SAME 053051 SAME 053065 SAME 053019 SAME 053047 SAME 053007 SAME 053017 SAME 053025 UGC IDZ001 UGC IDZ002 UGC IDZ004 UGC WAZ036 UGC WAZ037 UGC WAZ038 UGC WAZ041 UGC WAZ043 UGC WAZ044 UGC WAZ047 UGC WAZ048 UGC WAZ049 AWIPSidentifier NPWOTX WMOidentifier WWUS76 KOTX 301821 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KOTX.AS.Y.0001.000000T0000Z-250131T1200Z/ eventEndingTime 2025-01-31T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ef9cc604822dfe4c608f4cf19e7c655a93c45761.001.1,2025-01-28T10:32:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.32526241fb4f6c7bbdec02cccfae2224a2999d9d.001.1,2025-01-27T11:36:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a6181ca2c6cbaf7bc7a6eb53165276595ba838f7.002.1,2025-01-27T11:13:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.24a37496fc9e7fa3f155003f2fdbcd687188b2e5.001.1,2025-01-26T15:14:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7634b806209ecd765093e1f4c438a6e2fc49b2db.002.1,2025-01-25T13:55:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.62217350104d110d8fa25ddd37a0d1b2ae1d066a.001.1,2025-01-24T18:14:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ffe974738f5d66255e1624fd747b7efa57ae763f.001.1,2025-01-24T10:13:00-08:00

* WHAT...Stagnant conditions will have potential to trap pollutants near the ground with deteriorated air quality. * WHERE...Craigmont, Winchester, Kamiah, Peck, Lapwai, Lewiston, Nezperce, Gifford, Soldiers Meadow Road, Alpowa Summit, Clarkston, Pomeroy, Culdesac, and Lewiston Grade. * WHEN...Until 4 AM PST Friday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface. Air Stagnation Advisory 2025-01-30T10:21:00-08:00 2025-01-30T10:21:00-08:00 2025-01-30T10:21:00-08:00 2025-01-31T04:00:00-08:00 Actual Update Met Expected Moderate Likely Lewiston Area; Lewis and Southern Nez Perce Counties; Lower Garfield and Asotin Counties SAME 016069 SAME 016061 SAME 053003 SAME 053023 UGC IDZ026 UGC IDZ027 UGC WAZ032 AWIPSidentifier NPWOTX WMOidentifier WWUS76 KOTX 301821 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KOTX.AS.Y.0001.000000T0000Z-250131T1200Z/ eventEndingTime 2025-01-31T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ef9cc604822dfe4c608f4cf19e7c655a93c45761.002.1,2025-01-28T10:32:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a6181ca2c6cbaf7bc7a6eb53165276595ba838f7.001.1,2025-01-27T11:13:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.32526241fb4f6c7bbdec02cccfae2224a2999d9d.002.1,2025-01-27T11:36:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.24a37496fc9e7fa3f155003f2fdbcd687188b2e5.002.1,2025-01-26T15:14:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7634b806209ecd765093e1f4c438a6e2fc49b2db.001.1,2025-01-25T13:55:00-08:00

* WHAT...Heavy snow possible. Total snow accumulations between 3 to 8 inches in the valleys and 1 to 2 feet in the mountains. * WHERE...Tiger, Athol, Flowery Trail Road, Bonners Ferry, Metaline Falls, Priest River, Colville, Metaline, Springdale-Hunters Road, Fruitland, Newport, Schweitzer Mountain Road, Northport, Chewelah, Kettle Falls, Ione, Eastport, Sandpoint, Clark Fork, Orin-Rice Road, and Deer Park. * WHEN...From late tonight through Saturday afternoon. * IMPACTS...Be prepared for snowy travel during the Friday morning commute. Snow will increase again Friday afternoon and evening. * ADDITIONAL DETAILS...Lowland snow accumulations have the potential to be widely variable with some locations in southern parts of Stevens and Pend Orielle counties receiving a couple inches of wet snow while lowland spots in the northern parts of the county have the chance for 8 inches or more. Precipitation type could fluctuate Friday afternoon and evening from heavy wet snow to rain and back. High precipitation intensities could create heavy wet snow accumulations near one inch per hour. Winter Storm Watch 2025-01-30T04:51:00-08:00 2025-01-30T04:51:00-08:00 2025-01-31T01:00:00-08:00 2025-01-30T18:00:00-08:00 Actual Update Met Future Severe Possible Northern Panhandle; Northeast Mountains SAME 016017 SAME 016021 SAME 016055 SAME 053051 SAME 053063 SAME 053065 UGC IDZ001 UGC WAZ037 AWIPSidentifier WSWOTX WMOidentifier WWUS46 KOTX 301251 NWSheadline WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.CON.KOTX.WS.A.0001.250131T0900Z-250202T0000Z/ eventEndingTime 2025-02-02T00:00:00+00:00

* WHAT...Heavy snow possible. Total snow accumulations between 18 and 30 inches possible at Stevens Pass. 6 to 12 inches Stehekin and Holden Village. * WHERE...Stevens Pass, Stehekin, and Holden Village. * WHEN...From this evening through Saturday afternoon. * IMPACTS...Motorists should be prepared for winter driving conditions with accumulations up to an inch per hour Friday morning through Friday evening. Winter Storm Watch 2025-01-30T04:51:00-08:00 2025-01-30T04:51:00-08:00 2025-01-30T22:00:00-08:00 2025-01-30T18:00:00-08:00 Actual Update Met Future Severe Possible Western Chelan County SAME 053007 UGC WAZ048 AWIPSidentifier WSWOTX WMOidentifier WWUS46 KOTX 301251 NWSheadline WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH SATURDAY AFTERNOON BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.CON.KOTX.WS.A.0001.250131T0600Z-250202T0000Z/ eventEndingTime 2025-02-02T00:00:00+00:00