NOAA Current Watches

The Winter Weather Advisory has been replaced. Please see the latest information from NWS Medford OR on this developing situation. Winter Weather Advisory 2025-01-30T01:09:00-08:00 2025-01-30T01:09:00-08:00 2025-01-31T04:00:00-08:00 2025-01-30T01:24:46-08:00 Actual Alert Met Past Moderate Observed South Central Oregon Cascades; Siskiyou Mountains and Southern Oregon Cascades SAME 041019 SAME 041029 SAME 041035 SAME 041033 UGC ORZ027 UGC ORZ028 AWIPSidentifier WSWMFR WMOidentifier WWUS46 KMFR 300909 NWSheadline WINTER STORM WARNING IN EFFECT FROM 1 AM FRIDAY TO 10 AM PST SATURDAY... ...THE WINTER WEATHER ADVISORY HAS BEEN UPGRADED TO A WINTER STORM WARNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.UPG.KMFR.WW.Y.0002.250131T1200Z-250202T0600Z/ eventEndingTime 2025-02-02T06:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.8ceb23feb9a0068974767340754f11c18352f190.002.1,2025-01-29T01:46:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.b65bf81484f4d17466024df855b12a8e6ca41749.001.1,2025-01-28T14:28:00-08:00

* 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 of 6 to 12 inches possible, heaviest above 4000-4500 feet. Winds could gust as high as 40 mph. * WHERE...East Slopes of the Oregon Cascades. * WHEN...From Thursday evening through Saturday afternoon. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions. * ADDITIONAL DETAILS...Snow levels will rise from around 4000 feet Thursday night to around 5000 feet Friday afternoon. Snow levels will then lower to around 3000 feet or less 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 East Slopes of the Oregon Cascades SAME 041017 SAME 041031 SAME 041065 UGC ORZ509 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...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...Lake County and eastern Klamath County, South Central Oregon Coast, Curry County Coast, Central Douglas County, Eastern Curry County and Josephine County, Jackson County, and Klamath Basin. * WHEN...Until noon PST Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2025-01-29T13:45:00-08:00 2025-01-29T13:45:00-08:00 2025-01-29T13:45:00-08:00 2025-01-30T04:00:00-08:00 Actual Alert Met Expected Moderate Likely South Central Oregon Coast; Curry County Coast; Central Douglas County; Eastern Curry County and Josephine County; Jackson County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County SAME 041011 SAME 041015 SAME 041019 SAME 041033 SAME 041029 SAME 041035 SAME 041037 UGC ORZ021 UGC ORZ022 UGC ORZ023 UGC ORZ024 UGC ORZ026 UGC ORZ029 UGC ORZ030 UGC ORZ031 AWIPSidentifier NPWMFR WMOidentifier WWUS76 KMFR 292145 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL NOON PST THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KMFR.AS.Y.0004.000000T0000Z-250130T2000Z/ eventEndingTime 2025-01-30T20:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1bdee8103485ff312e7c5c0529bb9e985096c5ae.003.1,2025-01-29T00:59:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1bdee8103485ff312e7c5c0529bb9e985096c5ae.001.2,2025-01-29T00:59:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.486b5b6b66314ae2a70df5fc0c90a847afce2a87.002.1,2025-01-28T19:41:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.486b5b6b66314ae2a70df5fc0c90a847afce2a87.001.2,2025-01-28T19:41:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.dcc252c811e1c3d08253fcd029ef680b1a847691.004.1,2025-01-28T08:58:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.dcc252c811e1c3d08253fcd029ef680b1a847691.001.3,2025-01-28T08:58:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.dcc252c811e1c3d08253fcd029ef680b1a847691.002.2,2025-01-28T08:58:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ba01ab58c8574ceb325bca62eab85e05954b5d62.004.1,2025-01-28T02:39:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ba01ab58c8574ceb325bca62eab85e05954b5d62.002.1,2025-01-28T02:39:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ba01ab58c8574ceb325bca62eab85e05954b5d62.001.3,2025-01-28T02:39:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c5c207674ca2969072393da6206e1b4d6af3f61b.004.1,2025-01-27T20:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c5c207674ca2969072393da6206e1b4d6af3f61b.002.2,2025-01-27T20:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c5c207674ca2969072393da6206e1b4d6af3f61b.001.2,2025-01-27T20:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c9e7990c2cde3913a5692a5967a596918e7fcc43.002.1,2025-01-27T11:16:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c9e7990c2cde3913a5692a5967a596918e7fcc43.001.2,2025-01-27T11:16:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c421ffcea1ec4728f67a39897a02e9503c9e7bb0.004.1,2025-01-27T01:02:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c421ffcea1ec4728f67a39897a02e9503c9e7bb0.003.1,2025-01-27T01:02:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c421ffcea1ec4728f67a39897a02e9503c9e7bb0.002.1,2025-01-27T01:02:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c421ffcea1ec4728f67a39897a02e9503c9e7bb0.001.1,2025-01-27T01:02:00-08:00

* 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...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...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 5 AM MST /4 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2025-01-29T13:02:00-07:00 2025-01-29T13:02:00-07:00 2025-01-29T13:02:00-07:00 2025-01-30T15:00:00-07:00 Actual Update Met Expected Moderate Likely West Central Mountains; Lower Treasure Valley; Boise Mountains; Upper Treasure Valley; Southwest Highlands; Western Magic Valley; Owyhee Mountains; Southern Twin Falls County; Upper Weiser River; Harney County; Baker County; Malheur County; Oregon Lower Treasure Valley SAME 016003 SAME 016045 SAME 016085 SAME 016087 SAME 016027 SAME 016073 SAME 016075 SAME 016015 SAME 016025 SAME 016039 SAME 016001 SAME 016047 SAME 016053 SAME 016083 SAME 041025 SAME 041001 SAME 041045 UGC IDZ011 UGC IDZ012 UGC IDZ013 UGC IDZ014 UGC IDZ015 UGC IDZ016 UGC IDZ029 UGC IDZ030 UGC IDZ033 UGC ORZ061 UGC ORZ062 UGC ORZ063 UGC ORZ064 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 292002 NWSheadline AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 5 AM MST /4 AM PST/ FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXT.KBOI.AS.Y.0003.000000T0000Z-250131T1200Z/ eventEndingTime 2025-01-31T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.392e408cd017643e5e26f03c50023728e8a49ffa.002.1,2025-01-28T13:58:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6b06a82316801ba889b13e1cb1bb554116f24c2c.002.1,2025-01-27T14:54:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d76ee409b2e176bdcd31c8078cbdaf12e2caa523.002.1,2025-01-27T02:12:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96149a2cc8abcbb25dce96020c092819381c7ac1.002.1,2025-01-26T13:21:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.fa1ba318c2d5a2c0000af5c3ad60b3f3cbeb2d2c.002.1,2025-01-26T01:30:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.b6577e6534aa8a03e29047bbc8d6ee1385621efa.001.1,2025-01-25T10:27:00-07:00

* 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...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2025-01-29T07:41:00-07:00 2025-01-29T07:41:00-07:00 2025-01-29T07:41:00-07:00 2025-01-29T15:45:00-07:00 Actual Update Met Expected Moderate Likely West Central Mountains; Lower Treasure Valley; Boise Mountains; Upper Treasure Valley; Southwest Highlands; Western Magic Valley; Owyhee Mountains; Southern Twin Falls County; Upper Weiser River; Harney County; Baker County; Malheur County; Oregon Lower Treasure Valley SAME 016003 SAME 016045 SAME 016085 SAME 016087 SAME 016027 SAME 016073 SAME 016075 SAME 016015 SAME 016025 SAME 016039 SAME 016001 SAME 016047 SAME 016053 SAME 016083 SAME 041025 SAME 041001 SAME 041045 UGC IDZ011 UGC IDZ012 UGC IDZ013 UGC IDZ014 UGC IDZ015 UGC IDZ016 UGC IDZ029 UGC IDZ030 UGC IDZ033 UGC ORZ061 UGC ORZ062 UGC ORZ063 UGC ORZ064 AWIPSidentifier NPWBOI WMOidentifier WWUS75 KBOI 291441 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST /8 AM PST/ FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.AS.Y.0003.000000T0000Z-250131T1600Z/ eventEndingTime 2025-01-31T16:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6b06a82316801ba889b13e1cb1bb554116f24c2c.002.1,2025-01-27T14:54:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.d76ee409b2e176bdcd31c8078cbdaf12e2caa523.002.1,2025-01-27T02:12:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.96149a2cc8abcbb25dce96020c092819381c7ac1.002.1,2025-01-26T13:21:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.fa1ba318c2d5a2c0000af5c3ad60b3f3cbeb2d2c.002.1,2025-01-26T01:30:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.b6577e6534aa8a03e29047bbc8d6ee1385621efa.001.1,2025-01-25T10:27:00-07:00

* 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...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...Snow expected. Total snow accumulations between 12 and 24 inches above 5000 feet, with up to 30 inches possible over the highest peaks and ridgetops. Winds gusting as high as 50 mph. * WHERE...The southern Oregon Cascades and Siskiyou Mountains. This includes Highways 138 and 230 near Diamond Lake, Highway 62 near Crater Lake, and Highway 58 at Willamette Pass. * WHEN...From 4 AM Friday to 10 PM PST Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday morning and evening commutes as well as weekend travel. Gusty winds could bring down tree branches as well as cause areas of blowing snow and limited visibility. Winter Weather Advisory 2025-01-29T01:46:00-08:00 2025-01-29T01:46:00-08:00 2025-01-31T04:00:00-08:00 2025-01-29T16:15:00-08:00 Actual Update Met Expected Moderate Likely South Central Oregon Cascades; Siskiyou Mountains and Southern Oregon Cascades SAME 041019 SAME 041029 SAME 041035 SAME 041033 UGC ORZ027 UGC ORZ028 AWIPSidentifier WSWMFR WMOidentifier WWUS46 KMFR 290946 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM FRIDAY TO 10 PM PST SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KMFR.WW.Y.0002.250131T1200Z-250202T0600Z/ eventEndingTime 2025-02-02T06:00:00+00:00

* WHAT...For the Air Stagnation Advisory, a strong inversion and stagnant air conditions near the surface will trap pollutants possibly leading to poor air quality. For the Freeze Warning, sub-freezing temperatures as low as 30 expected. * WHERE...For the Air Stagnation Advisory, mainly areas inland from the immediate coast. For the Freeze Warning this morning, mainly the beaches from Port Orford to Reedsport, including North Bend and Coos Bay. * WHEN...For the Air Stagnation Advisory, until noon PST Thursday. For the Freeze Warning, until 9 AM PST this morning. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Freeze Warning 2025-01-29T00:59:00-08:00 2025-01-29T00:59:00-08:00 2025-01-29T02:00:00-08:00 2025-01-29T09:00:00-08:00 Actual Update Met Expected Moderate Likely South Central Oregon Coast SAME 041011 SAME 041015 SAME 041019 UGC ORZ021 AWIPSidentifier NPWMFR WMOidentifier WWUS76 KMFR 290859 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL NOON PST THURSDAY... ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KMFR.FZ.W.0008.250129T1000Z-250129T1700Z/ eventEndingTime 2025-01-29T17:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.dcc252c811e1c3d08253fcd029ef680b1a847691.001.2,2025-01-28T08:58:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ba01ab58c8574ceb325bca62eab85e05954b5d62.001.1,2025-01-28T02:39:00-08:00

* WHAT...A strong inversion and stagnant air conditions near the surface will trap pollutants possibly leading to poor air quality. * WHERE...Valleys of Lake County and eastern Klamath County, Curry County Coast, Central Douglas County, Eastern Curry County and Josephine County, Jackson County, and Klamath Basin. * WHEN...Until noon PST Thursday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Air Stagnation Advisory 2025-01-29T00:59:00-08:00 2025-01-29T00:59:00-08:00 2025-01-29T00:59:00-08:00 2025-01-29T09:00:00-08:00 Actual Update Met Expected Moderate Likely Curry County Coast; Central Douglas County; Eastern Curry County and Josephine County; Jackson County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County SAME 041015 SAME 041011 SAME 041019 SAME 041033 SAME 041029 SAME 041035 SAME 041037 UGC ORZ022 UGC ORZ023 UGC ORZ024 UGC ORZ026 UGC ORZ029 UGC ORZ030 UGC ORZ031 AWIPSidentifier NPWMFR WMOidentifier WWUS76 KMFR 290859 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL NOON PST THURSDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KMFR.AS.Y.0004.000000T0000Z-250130T2000Z/ eventEndingTime 2025-01-30T20:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.dcc252c811e1c3d08253fcd029ef680b1a847691.004.1,2025-01-28T08:58:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.dcc252c811e1c3d08253fcd029ef680b1a847691.002.2,2025-01-28T08:58:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ba01ab58c8574ceb325bca62eab85e05954b5d62.004.1,2025-01-28T02:39:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ba01ab58c8574ceb325bca62eab85e05954b5d62.002.1,2025-01-28T02:39:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c5c207674ca2969072393da6206e1b4d6af3f61b.004.1,2025-01-27T20:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c5c207674ca2969072393da6206e1b4d6af3f61b.002.2,2025-01-27T20:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c9e7990c2cde3913a5692a5967a596918e7fcc43.002.1,2025-01-27T11:16:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c421ffcea1ec4728f67a39897a02e9503c9e7bb0.004.1,2025-01-27T01:02:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c421ffcea1ec4728f67a39897a02e9503c9e7bb0.003.1,2025-01-27T01:02:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c421ffcea1ec4728f67a39897a02e9503c9e7bb0.002.1,2025-01-27T01:02:00-08:00

* WHAT...For the Air Stagnation Advisory, a strong inversion and stagnant air conditions near the surface will trap pollutants possibly leading to poor air quality. For the Freeze Warning, sub-freezing temperatures as low as 30 expected. * WHERE...For the Air Stagnation Advisory, mainly areas inland from the immediate coast. For the Freeze Warning this morning, mainly the beaches from Port Orford to Reedsport, including North Bend and Coos Bay. * WHEN...For the Air Stagnation Advisory, until noon PST Thursday. For the Freeze Warning, until 9 AM PST this morning. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Air Stagnation Advisory 2025-01-29T00:59:00-08:00 2025-01-29T00:59:00-08:00 2025-01-29T00:59:00-08:00 2025-01-29T09:00:00-08:00 Actual Update Met Expected Moderate Likely South Central Oregon Coast SAME 041011 SAME 041015 SAME 041019 UGC ORZ021 AWIPSidentifier NPWMFR WMOidentifier WWUS76 KMFR 290859 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL NOON PST THURSDAY... ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KMFR.AS.Y.0004.000000T0000Z-250130T2000Z/ eventEndingTime 2025-01-30T20:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.dcc252c811e1c3d08253fcd029ef680b1a847691.001.3,2025-01-28T08:58:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ba01ab58c8574ceb325bca62eab85e05954b5d62.001.3,2025-01-28T02:39:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c5c207674ca2969072393da6206e1b4d6af3f61b.001.2,2025-01-27T20:57:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c9e7990c2cde3913a5692a5967a596918e7fcc43.001.2,2025-01-27T11:16:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c421ffcea1ec4728f67a39897a02e9503c9e7bb0.001.1,2025-01-27T01:02:00-08:00

* WHAT...For the Air Stagnation Advisory, poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. For the Freeze Warning, sub-freezing temperatures as low as 29 expected. * WHERE...For the Air Stagnation Advisory, mainly areas inland from the immediate coast. For tonight's Freeze Warning, mainly the beaches from Port Orford to Reedsport, including North Bend and Coos Bay. * WHEN...For the Air Stagnation Advisory, until noon PST Thursday. For the Freeze Warning, from 2 AM to 9 AM PST Wednesday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. Frostbite and hypothermia could occur if unprotected skin is exposed to these cold temperatures. Freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Freeze Warning 2025-01-28T19:41:00-08:00 2025-01-28T19:41:00-08:00 2025-01-29T02:00:00-08:00 2025-01-29T04:00:00-08:00 Actual Update Met Expected Moderate Likely South Central Oregon Coast SAME 041011 SAME 041015 SAME 041019 UGC ORZ021 AWIPSidentifier NPWMFR WMOidentifier WWUS76 KMFR 290341 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL NOON PST THURSDAY... ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM PST WEDNESDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KMFR.FZ.W.0008.250129T1000Z-250129T1700Z/ eventEndingTime 2025-01-29T17:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ba01ab58c8574ceb325bca62eab85e05954b5d62.001.1,2025-01-28T02:39:00-08:00