NOAA Current Watches-WA

* WHAT...Poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. * WHERE...Portions of central, north central, and northeast Oregon and central, south central, and southeast Washington. * WHEN...Until 4 AM PST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2025-01-30T02:08:00-08:00 2025-01-30T02:08:00-08:00 2025-01-30T02:08:00-08:00 2025-01-31T04:00:00-08:00 Actual Update Met Expected Moderate Likely Eastern Columbia River Gorge of Oregon; Lower Columbia Basin of Oregon; Foothills of the Northern Blue Mountains of Oregon; Foothills of the Southern Blue Mountains of Oregon; North Central Oregon; Central Oregon; Eastern Columbia River Gorge of Washington; Kittitas Valley; Yakima Valley; Lower Columbia Basin of Washington; Foothills of the Blue Mountains of Washington; Simcoe Highlands SAME 041021 SAME 041055 SAME 041065 SAME 041049 SAME 041059 SAME 041069 SAME 041013 SAME 041017 SAME 041031 SAME 053039 SAME 053037 SAME 053077 SAME 053005 SAME 053021 SAME 053071 SAME 053013 UGC ORZ041 UGC ORZ044 UGC ORZ507 UGC ORZ508 UGC ORZ510 UGC ORZ511 UGC WAZ024 UGC WAZ026 UGC WAZ027 UGC WAZ028 UGC WAZ029 UGC WAZ521 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 301008 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.AS.Y.0001.000000T0000Z-250131T1200Z/ eventEndingTime 2025-01-31T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.606bd0663139ae7e5093eb78c362a9719aef40c4.001.1,2025-01-27T11:44:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.20c23340b4c3b024ab0219e8c7acbcd8c947ad54.001.1,2025-01-26T03:26:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.da2eb7c0f0254091e37bbff5ed6e156f136a46ec.001.1,2025-01-25T09:20:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.648d111a3f29875a620e959ebbaa3b0921efe94c.001.1,2025-01-25T01:29:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.783f0e03e626823220cf9202526962a4aabd28c8.001.1,2025-01-24T17:31:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.26ab22eb6727ea40d2f0283460fe545f3624c230.001.1,2025-01-24T09:59:00-08:00

* WHAT...Heavy snow possible. Total snow accumulations between 6 and 12 inches possible. Winds could gust as high as 40 mph. * WHERE...Northern Blue Mountains of Oregon and Washington above 4000 feet. * WHEN...From late tonight through Saturday afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions. * 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 Storm Watch 2025-01-30T02:07:00-08:00 2025-01-30T02:07:00-08:00 2025-01-31T04:00:00-08:00 2025-01-30T15:30:00-08:00 Actual Alert Met Future Severe Possible 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 301007 NWSheadline WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH SATURDAY AFTERNOON BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.EXB.KPDT.WS.A.0001.250131T1200Z-250202T0000Z/ eventEndingTime 2025-02-02T00:00:00+00:00

* WHAT...Heavy snow possible. Total snow accumulations of 8 to 18 inches possible, heaviest above 3000 feet. Winds could gust as high as 40 mph. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From this evening through Saturday afternoon. * IMPACTS...Heavy snowfall and very low visibility will create dangerous driving conditions. * ADDITIONAL DETAILS...Snow levels will start around 2500 to 3500 feet Thursday night before rising to 4000 feet Friday afternoon. Snow levels will then lower to 1500 to 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 Friday night. Winter Storm Watch 2025-01-30T02:07:00-08:00 2025-01-30T02:07:00-08:00 2025-01-30T22:00:00-08:00 2025-01-30T15:30:00-08:00 Actual Update Met Future Severe Possible Upper Slopes of the Eastern Washington Cascades Crest SAME 053037 SAME 053077 UGC WAZ522 AWIPSidentifier WSWPDT WMOidentifier WWUS46 KPDT 301007 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.KPDT.WS.A.0001.250131T0600Z-250202T0000Z/ eventEndingTime 2025-02-02T00:00:00+00:00

* WHAT...Heavy snow possible. Total snow accumulations of 8 to 18 inches possible, heaviest above 3000 feet. Winds could gust as high as 40 mph. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From Thursday evening through Saturday afternoon. * IMPACTS...Heavy snowfall and very low visibility will create extremely dangerous driving conditions. * ADDITIONAL DETAILS...Snow levels will start around 2500-3500 feet Thursday night before rising to 4000-4500 feet Friday afternoon. Snow levels will then lower to 1500-2000 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 Friday night. Winter Storm Watch 2025-01-29T13:52:00-08:00 2025-01-29T13:52:00-08:00 2025-01-30T22:00:00-08:00 2025-01-30T07:30:00-08:00 Actual Alert Met Future Severe Possible Upper Slopes of the Eastern Washington Cascades Crest SAME 053037 SAME 053077 UGC WAZ522 AWIPSidentifier WSWPDT WMOidentifier WWUS46 KPDT 292152 NWSheadline WINTER STORM WATCH IN EFFECT FROM THURSDAY EVENING THROUGH SATURDAY AFTERNOON BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.NEW.KPDT.WS.A.0001.250131T0600Z-250202T0000Z/ eventEndingTime 2025-02-02T00:00:00+00:00

* WHAT...Heavy snow possible. Total snow accumulations between 18 and 30 inches possible. * WHERE...Stevens Pass. * WHEN...From Thursday 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. * ADDITIONAL DETAILS...This will be the heaviest snowfall for Stevens Pass in a couple of weeks. Winter Storm Watch 2025-01-29T13:39:00-08:00 2025-01-29T13:39:00-08:00 2025-01-30T22:00:00-08:00 2025-01-30T06:00:00-08:00 Actual Alert Met Future Severe Possible Western Chelan County SAME 053007 UGC WAZ048 AWIPSidentifier WSWOTX WMOidentifier WWUS46 KOTX 292139 NWSheadline WINTER STORM WATCH IN EFFECT FROM THURSDAY EVENING THROUGH SATURDAY AFTERNOON BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.NEW.KOTX.WS.A.0001.250131T0600Z-250202T0000Z/ eventEndingTime 2025-02-02T00:00:00+00:00

* WHAT...Heavy snow possible. Total snow accumulations between 3 to 8 inches in the valleys and 1 to 2 feet in the mountains. * WHERE...Priest River, Northport, Ione, Clark Fork, Deer Park, Eastport, Flowery Trail Road, Fruitland, Tiger, Newport, Schweitzer Mountain Road, Athol, Metaline, Orin-Rice Road, Metaline Falls, Bonners Ferry, Sandpoint, Springdale-Hunters Road, Kettle Falls, Colville, and Chewelah. * WHEN...From late Thursday night through Saturday afternoon. * IMPACTS...This will likely be the first widespread snow event in a couple of weeks for north Idaho and northeast Washington. * 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. Winter Storm Watch 2025-01-29T13:39:00-08:00 2025-01-29T13:39:00-08:00 2025-01-31T01:00:00-08:00 2025-01-30T06:00:00-08:00 Actual Alert 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 292139 NWSheadline WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH SATURDAY AFTERNOON BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.NEW.KOTX.WS.A.0001.250131T0900Z-250202T0000Z/ eventEndingTime 2025-02-02T00:00:00+00:00

* WHAT...Heavy snow possible at or above elevations greater than 3000 ft. Total snow accumulations between 12 and 30 inches possible. * WHERE...West Slopes North Cascades and Passes, West Slopes North Central Cascades and Passes, and West Slopes South Central Cascades and Passes. * WHEN...From Thursday evening through Saturday afternoon. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Snow levels will start around 2500-3500 feet Thursday night 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 Watch 2025-01-29T13:26:00-08:00 2025-01-29T13:26:00-08:00 2025-01-30T19:00:00-08:00 2025-01-30T04:00:00-08:00 Actual Alert Met Future Severe Possible 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 292126 NWSheadline WINTER STORM WATCH IN EFFECT FROM THURSDAY EVENING THROUGH SATURDAY AFTERNOON AT OR ABOVE ELEVATIONS GREATER THAN 3000 FT BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.NEW.KSEW.WS.A.0001.250131T0300Z-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 Thursday evening through Saturday afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Snow levels will start around 4000-5000 ft Thursday evening into Friday, before lowering to 3000-3500 ft Friday night. Winter Storm Watch 2025-01-29T12:57:00-08:00 2025-01-29T12:57:00-08:00 2025-01-30T22:00:00-08:00 2025-01-30T04:00:00-08:00 Actual Alert Met Future Severe Possible 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 292057 NWSheadline WINTER STORM WATCH IN EFFECT FROM THURSDAY EVENING THROUGH SATURDAY AFTERNOON ABOVE 3000 FEET BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.NEW.KPQR.WS.A.0001.250131T0600Z-250202T0000Z/ eventEndingTime 2025-02-02T00:00:00+00:00

* WHAT...Stagnant conditions will have potential to trap pollutants near the ground with deteriorated air quality. * WHERE...Clarkston, Lewiston, Peck, Kamiah, Winchester, Alpowa Summit, Soldiers Meadow Road, Nezperce, Pomeroy, Gifford, Craigmont, Lapwai, Lewiston Grade, and Culdesac. * WHEN...Until 4 AM PST Friday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface. Air Stagnation Advisory 2025-01-29T10:46:00-08:00 2025-01-29T10:46:00-08:00 2025-01-29T10:46:00-08:00 2025-01-30T11:45:00-08:00 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 291846 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.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...Stagnant air conditions will have potential to trap pollutants near the ground. * WHERE...Portions of North Idaho and Central, North Central, and Northeast Washington including Spokane, Coeur d'Alene, Kellogg, Bonners Ferry, Sandpoint, Metaline, Deer Park, Colville, Republic, Omak, Winchester, Lake Chelan, Wenatchee, Leavenworth, and Waterville. * WHEN...Until 4 AM PST Friday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface. Air Stagnation Advisory 2025-01-29T10:46:00-08:00 2025-01-29T10:46:00-08:00 2025-01-29T10:46:00-08:00 2025-01-30T11:45:00-08:00 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 291846 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:2.49.0.1.840.0.32526241fb4f6c7bbdec02cccfae2224a2999d9d.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...Very cold temperatures as low as 24. * WHERE...Central and Southern Willamette Valley, Tualatin Valley, and North Clark County Lowlands. * WHEN...Until 10 AM PST this morning. * IMPACTS...Hypothermia can occur with prolonged exposure to these temperatures. Cold Weather Advisory 2025-01-29T03:24:00-08:00 2025-01-29T03:24:00-08:00 2025-01-29T03:24:00-08:00 2025-01-29T10:00:00-08:00 Actual Update Met Expected Moderate Likely Tualatin Valley; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; North Clark County Lowlands SAME 041067 SAME 041051 SAME 041005 SAME 041071 SAME 041053 SAME 041047 SAME 041003 SAME 041043 SAME 041039 SAME 053011 UGC ORZ109 UGC ORZ114 UGC ORZ115 UGC ORZ116 UGC ORZ117 UGC ORZ118 UGC WAZ205 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 291124 NWSheadline COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.CW.Y.0008.000000T0000Z-250129T1800Z/ eventEndingTime 2025-01-29T18:00:00+00:00

* WHAT...Cold temperatures as low as 25 expected. * WHERE...Central and Southern Willamette Valley, Tualatin Valley, and North Clark County Lowlands. * WHEN...From 10 PM this evening to 10 AM PST Wednesday. * IMPACTS...Hypothermia can occur with prolonged exposure to these temperatures. Cold Weather Advisory 2025-01-28T13:01:00-08:00 2025-01-28T13:01:00-08:00 2025-01-28T22:00:00-08:00 2025-01-29T05:15:00-08:00 Actual Alert Met Expected Moderate Likely Tualatin Valley; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; North Clark County Lowlands SAME 041067 SAME 041051 SAME 041005 SAME 041071 SAME 041053 SAME 041047 SAME 041003 SAME 041043 SAME 041039 SAME 053011 UGC ORZ109 UGC ORZ114 UGC ORZ115 UGC ORZ116 UGC ORZ117 UGC ORZ118 UGC WAZ205 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 282101 NWSheadline COLD WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST WEDNESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KPQR.CW.Y.0008.250129T0600Z-250129T1800Z/ eventEndingTime 2025-01-29T18:00:00+00:00

* WHAT...Poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. * WHERE...Portions of central, north central, and northeast Oregon and central, south central, and southeast Washington. * WHEN...Until 4 AM PST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2025-01-28T12:56:00-08:00 2025-01-28T12:56:00-08:00 2025-01-28T12:56:00-08:00 2025-01-30T07:00:00-08:00 Actual Update Met Expected Moderate Likely Eastern Columbia River Gorge of Oregon; Lower Columbia Basin of Oregon; Foothills of the Northern Blue Mountains of Oregon; Foothills of the Southern Blue Mountains of Oregon; North Central Oregon; Central Oregon; Eastern Columbia River Gorge of Washington; Kittitas Valley; Yakima Valley; Lower Columbia Basin of Washington; Foothills of the Blue Mountains of Washington; Simcoe Highlands SAME 041021 SAME 041055 SAME 041065 SAME 041049 SAME 041059 SAME 041069 SAME 041013 SAME 041017 SAME 041031 SAME 053039 SAME 053037 SAME 053077 SAME 053005 SAME 053021 SAME 053071 SAME 053013 UGC ORZ041 UGC ORZ044 UGC ORZ507 UGC ORZ508 UGC ORZ510 UGC ORZ511 UGC WAZ024 UGC WAZ026 UGC WAZ027 UGC WAZ028 UGC WAZ029 UGC WAZ521 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 282056 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.AS.Y.0001.000000T0000Z-250131T1200Z/ eventEndingTime 2025-01-31T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.20c23340b4c3b024ab0219e8c7acbcd8c947ad54.001.1,2025-01-26T03:26:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.da2eb7c0f0254091e37bbff5ed6e156f136a46ec.001.1,2025-01-25T09:20:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.648d111a3f29875a620e959ebbaa3b0921efe94c.001.1,2025-01-25T01:29:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.783f0e03e626823220cf9202526962a4aabd28c8.001.1,2025-01-24T17:31:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.26ab22eb6727ea40d2f0283460fe545f3624c230.001.1,2025-01-24T09:59:00-08:00

* WHAT...Stagnant conditions will have potential to trap pollutants near the ground with deteriorated air quality. * WHERE...Pomeroy, Kamiah, Culdesac, Soldiers Meadow Road, Lewiston, Peck, Lewiston Grade, Lapwai, Gifford, Nezperce, Alpowa Summit, Clarkston, Craigmont, and Winchester. * WHEN...Until 4 AM PST Friday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface. Air Stagnation Advisory 2025-01-28T10:32:00-08:00 2025-01-28T10:32:00-08:00 2025-01-28T10:32:00-08:00 2025-01-29T11:45:00-08:00 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 281832 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:2.49.0.1.840.0.24a37496fc9e7fa3f155003f2fdbcd687188b2e5.002.1,2025-01-26T15:14:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7634b806209ecd765093e1f4c438a6e2fc49b2db.001.1,2025-01-25T13:55:00-08:00

* WHAT...Stagnant air conditions will have potential to trap pollutants near the ground. * WHERE...Portions of North Idaho and Central, North Central, and Northeast Washington including Spokane, Coeur d'Alene, Kellogg, Bonners Ferry, Sandpoint, Metaline, Deer Park, Colville, Republic, Omak, Winchester, Lake Chelan, Wenatchee, Leavenworth, and Waterville. * WHEN...Until 4 AM PST Friday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface. Air Stagnation Advisory 2025-01-28T10:32:00-08:00 2025-01-28T10:32:00-08:00 2025-01-28T10:32:00-08:00 2025-01-29T11:45:00-08:00 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 281832 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.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

Temperatures have risen above 25 degrees across the area. Cold Weather Advisory 2025-01-28T09:48:00-08:00 2025-01-28T09:48:00-08:00 2025-01-28T09:48:00-08:00 2025-01-28T11:00:00-08:00 Actual Update Met Expected Moderate Likely Lower Columbia River; Tualatin Valley; West Hills and Chehalem Mountains; Inner Portland Metro; East Portland Metro; Outer Southeast Portland Metro; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; Cowlitz County Lowlands; North Clark County Lowlands; Inner Vancouver Metro; East Clark County Lowlands; South Washington Cascade Foothills SAME 041009 SAME 041067 SAME 041051 SAME 041005 SAME 041071 SAME 041053 SAME 041047 SAME 041003 SAME 041043 SAME 041039 SAME 053015 SAME 053011 SAME 053059 UGC ORZ108 UGC ORZ109 UGC ORZ110 UGC ORZ111 UGC ORZ112 UGC ORZ113 UGC ORZ114 UGC ORZ115 UGC ORZ116 UGC ORZ117 UGC ORZ118 UGC WAZ204 UGC WAZ205 UGC WAZ206 UGC WAZ207 UGC WAZ208 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 281748 NWSheadline COLD WEATHER ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXP.KPQR.CW.Y.0007.000000T0000Z-250128T1800Z/ eventEndingTime 2025-01-28T18:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.a44b82f22282cb2e5ee469a490f1128078555356.001.1,2025-01-27T12:44:00-08:00

* WHAT...Apparent (feels-like) temperatures as low as 25 expected. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, Lower Columbia River and Cowlitz River Valleys, and South Washington Cascade Foothills. * WHEN...Until 10 AM PST this morning. * IMPACTS...Hypothermia can occur with prolonged exposure to these temperatures. * ADDITIONAL DETAILS...Easterly winds through the Columbia River Gorge with gusts to 25-30 mph in the far eastern Portland/Vancouver Metro area will lead to warmer temperatures, but the apparent temperatures will be close to 25 degrees. Cold Weather Advisory 2025-01-28T02:50:00-08:00 2025-01-28T02:50:00-08:00 2025-01-28T02:50:00-08:00 2025-01-28T10:00:00-08:00 Actual Update Met Expected Moderate Likely Lower Columbia River; Tualatin Valley; West Hills and Chehalem Mountains; Inner Portland Metro; East Portland Metro; Outer Southeast Portland Metro; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; Cowlitz County Lowlands; North Clark County Lowlands; Inner Vancouver Metro; East Clark County Lowlands; South Washington Cascade Foothills SAME 041009 SAME 041067 SAME 041051 SAME 041005 SAME 041071 SAME 041053 SAME 041047 SAME 041003 SAME 041043 SAME 041039 SAME 053015 SAME 053011 SAME 053059 UGC ORZ108 UGC ORZ109 UGC ORZ110 UGC ORZ111 UGC ORZ112 UGC ORZ113 UGC ORZ114 UGC ORZ115 UGC ORZ116 UGC ORZ117 UGC ORZ118 UGC WAZ204 UGC WAZ205 UGC WAZ206 UGC WAZ207 UGC WAZ208 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 281050 NWSheadline COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPQR.CW.Y.0007.000000T0000Z-250128T1800Z/ eventEndingTime 2025-01-28T18:00:00+00:00

* WHAT...Apparent (feels-like) temperatures as low as 25 expected. * WHERE...Greater Portland/Vancouver Metro, Central and Southern Willamette Valley, Lower Columbia River and Cowlitz River Valleys, and South Washington Cascade Foothills. * WHEN...From 10 PM this evening to 10 AM PST Tuesday. * IMPACTS...Hypothermia can occur with prolonged exposure to these temperatures. * ADDITIONAL DETAILS...Easterly winds through the Columbia River Gorge with gusts to 25-30 mph in the far eastern Portland/Vancouver Metro area will lead to warmer temperatures, but the wind chill will be close to 25 degrees. Cold Weather Advisory 2025-01-27T12:44:00-08:00 2025-01-27T12:44:00-08:00 2025-01-27T22:00:00-08:00 2025-01-28T05:00:00-08:00 Actual Alert Met Expected Moderate Likely Lower Columbia River; Tualatin Valley; West Hills and Chehalem Mountains; Inner Portland Metro; East Portland Metro; Outer Southeast Portland Metro; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; Cowlitz County Lowlands; North Clark County Lowlands; Inner Vancouver Metro; East Clark County Lowlands; South Washington Cascade Foothills SAME 041009 SAME 041067 SAME 041051 SAME 041005 SAME 041071 SAME 041053 SAME 041047 SAME 041003 SAME 041043 SAME 041039 SAME 053015 SAME 053011 SAME 053059 UGC ORZ108 UGC ORZ109 UGC ORZ110 UGC ORZ111 UGC ORZ112 UGC ORZ113 UGC ORZ114 UGC ORZ115 UGC ORZ116 UGC ORZ117 UGC ORZ118 UGC WAZ204 UGC WAZ205 UGC WAZ206 UGC WAZ207 UGC WAZ208 AWIPSidentifier NPWPQR WMOidentifier WWUS76 KPQR 272044 NWSheadline COLD WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST TUESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KPQR.CW.Y.0007.250128T0600Z-250128T1800Z/ eventEndingTime 2025-01-28T18:00:00+00:00

* WHAT...Poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. * WHERE...Portions of central, north central, and northeast Oregon and central, south central, and southeast Washington. * WHEN...Until 4 AM PST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2025-01-27T11:44:00-08:00 2025-01-27T11:44:00-08:00 2025-01-27T11:44:00-08:00 2025-01-28T16:00:00-08:00 Actual Update Met Expected Moderate Likely Eastern Columbia River Gorge of Oregon; Lower Columbia Basin of Oregon; Foothills of the Northern Blue Mountains of Oregon; Foothills of the Southern Blue Mountains of Oregon; North Central Oregon; Central Oregon; Eastern Columbia River Gorge of Washington; Kittitas Valley; Yakima Valley; Lower Columbia Basin of Washington; Foothills of the Blue Mountains of Washington; Simcoe Highlands SAME 041021 SAME 041055 SAME 041065 SAME 041049 SAME 041059 SAME 041069 SAME 041013 SAME 041017 SAME 041031 SAME 053039 SAME 053037 SAME 053077 SAME 053005 SAME 053021 SAME 053071 SAME 053013 UGC ORZ041 UGC ORZ044 UGC ORZ507 UGC ORZ508 UGC ORZ510 UGC ORZ511 UGC WAZ024 UGC WAZ026 UGC WAZ027 UGC WAZ028 UGC WAZ029 UGC WAZ521 AWIPSidentifier NPWPDT WMOidentifier WWUS76 KPDT 271944 NWSheadline AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 4 AM PST FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXT.KPDT.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.da2eb7c0f0254091e37bbff5ed6e156f136a46ec.001.1,2025-01-25T09:20:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.648d111a3f29875a620e959ebbaa3b0921efe94c.001.1,2025-01-25T01:29:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.783f0e03e626823220cf9202526962a4aabd28c8.001.1,2025-01-24T17:31:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.26ab22eb6727ea40d2f0283460fe545f3624c230.001.1,2025-01-24T09:59:00-08:00

* WHAT...Stagnant conditions will have potential to trap pollutants near the ground with deteriorated air quality. * WHERE...Kamiah, Craigmont, Lapwai, Gifford, Culdesac, Peck, Clarkston, Winchester, Nezperce, Pomeroy, and Lewiston. * WHEN...Until 4 AM PST Friday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface. Air Stagnation Advisory 2025-01-27T11:36:00-08:00 2025-01-27T11:36:00-08:00 2025-01-27T11:36:00-08:00 2025-01-28T12:00:00-08:00 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 271936 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:2.49.0.1.840.0.7634b806209ecd765093e1f4c438a6e2fc49b2db.001.1,2025-01-25T13:55:00-08:00