NOAA Current Watches-OR

* WHAT...Snow expected. Total snow accumulations 2 to 6 inches with winds gusting as highs as 40 mph. * WHERE...Klamath Basin. This includes Highway 97 north of Chiloquin. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact this evening's commute. Winter Weather Advisory 2025-01-31T12:08:00-08:00 2025-01-31T12:08:00-08:00 2025-01-31T12:08:00-08:00 2025-02-01T05:15:00-08:00 Actual Update Met Expected Moderate Likely Klamath Basin SAME 041035 UGC ORZ029 AWIPSidentifier WSWMFR WMOidentifier WWUS46 KMFR 312008 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KMFR.WW.Y.0002.000000T0000Z-250201T1800Z/ eventEndingTime 2025-02-01T18:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.b3faf66a1df2c827cb208a3a18350187b61b004b.005.1,2025-01-30T12:35:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.552302ec0194ce284ce44805102e637dd8dc02a0.004.1,2025-01-30T01:09:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3a8da0568582bf3a89e21b0548bd87ce777dd42f.005.1,2025-01-30T01:34:00-08:00

* WHAT...For the Winter Weather Advisory, snow and blowing snow expected. Total snow accumulations 2 to 6 inches, with up to 10 inches possible over the higher terrain of Winter Rim and the Warner Mountains. Winds gusting as high as 55 mph. For the Winter Storm Watch, total snow accumulations between 8 and 20 inches possible. * WHERE...Lake County and eastern Klamath County, Modoc County. This includes Highway 97 north of Chiloquin, Highway 140 near Bly Summit, Quartz Mountain and in the Warners east of Lakeview. Also Highway 31 from Valley Falls to Silver Lake and Highways 139, 299, and 395 in Modoc County. * WHEN...For the Winter Weather Advisory, until 10 AM PST Saturday. For the Winter Storm Watch, from Saturday evening through Monday morning. * IMPACTS...For the Winter Weather Advisory, travel could be difficult. The hazardous conditions could impact this evening's commute. For the Winter Storm Watch, visibilities may drop below 1/4 mile due to falling and blowing snow with hazardous snow covered roads. Weight of snow on tree limbs may down power lines and could cause sporadic power outages. Travel could be very difficult. Winter Weather Advisory 2025-01-31T12:08:00-08:00 2025-01-31T12:08:00-08:00 2025-01-31T12:08:00-08:00 2025-02-01T05:15:00-08:00 Actual Update Met Expected Moderate Likely Modoc County; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County SAME 006049 SAME 041035 SAME 041037 UGC CAZ085 UGC ORZ030 UGC ORZ031 AWIPSidentifier WSWMFR WMOidentifier WWUS46 KMFR 312008 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... ...WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY MORNING ABOVE 4500 FEET BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KMFR.WW.Y.0002.000000T0000Z-250201T1800Z/ eventEndingTime 2025-02-01T18:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.b3faf66a1df2c827cb208a3a18350187b61b004b.005.1,2025-01-30T12:35:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.552302ec0194ce284ce44805102e637dd8dc02a0.004.1,2025-01-30T01:09:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3a8da0568582bf3a89e21b0548bd87ce777dd42f.005.1,2025-01-30T01:34:00-08:00

* WHAT...For the Winter Weather Advisory, snow and blowing snow expected. Total snow accumulations 2 to 6 inches, with up to 10 inches possible over the higher terrain of Winter Rim and the Warner Mountains. Winds gusting as high as 55 mph. For the Winter Storm Watch, total snow accumulations between 8 and 20 inches possible. * WHERE...Lake County and eastern Klamath County, Modoc County. This includes Highway 97 north of Chiloquin, Highway 140 near Bly Summit, Quartz Mountain and in the Warners east of Lakeview. Also Highway 31 from Valley Falls to Silver Lake and Highways 139, 299, and 395 in Modoc County. * WHEN...For the Winter Weather Advisory, until 10 AM PST Saturday. For the Winter Storm Watch, from Saturday evening through Monday morning. * IMPACTS...For the Winter Weather Advisory, travel could be difficult. The hazardous conditions could impact this evening's commute. For the Winter Storm Watch, visibilities may drop below 1/4 mile due to falling and blowing snow with hazardous snow covered roads. Weight of snow on tree limbs may down power lines and could cause sporadic power outages. Travel could be very difficult. Winter Storm Watch 2025-01-31T12:08:00-08:00 2025-01-31T12:08:00-08:00 2025-02-01T22:00:00-08:00 2025-02-01T05:15:00-08:00 Actual Alert Met Future Severe Possible Modoc County; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County SAME 006049 SAME 041035 SAME 041037 UGC CAZ085 UGC ORZ030 UGC ORZ031 AWIPSidentifier WSWMFR WMOidentifier WWUS46 KMFR 312008 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... ...WINTER STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY MORNING ABOVE 4500 FEET BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.NEW.KMFR.WS.A.0001.250202T0600Z-250203T1800Z/ eventEndingTime 2025-02-03T18:00:00+00:00

...SNOW THROUGH SATURDAY... .A significant change in the weather pattern has begun as a winter storm system arrives from the Pacific and brings moderate to heavy snow to the Cascades and Blue Mountains. * 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...Until 4 PM PST Saturday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions. Strong winds could cause extensive damage to trees and power lines. * 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 2025-01-31T05:52:00-08:00 2025-01-31T05:52:00-08:00 2025-01-31T05:52:00-08:00 2025-01-31T16:00:00-08:00 Actual Update 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 311352 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY ABOVE 4000 FEET BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.WW.Y.0004.000000T0000Z-250202T0000Z/ eventEndingTime 2025-02-02T00:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.262577a5d78fb7c64d30217b0f6b2081a916f86e.003.2,2025-01-30T12:36:00-08:00

...SNOW THROUGH SATURDAY... .A significant change in the weather pattern has begun as a winter storm system arrives from the Pacific and brings moderate to heavy snow to the Cascades and Blue Mountains. * WHAT...Snow expected. Total snow accumulations between 5 and 10 inches with higher accumulations near the crest. Winds gusting as high as 45 mph along exposed ridgetops. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 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...Snow levels will rise to around 5000 feet this afternoon. Snow levels will then lower to around 3000 feet and lower tonight onward. Winter Weather Advisory 2025-01-31T05:52:00-08:00 2025-01-31T05:52:00-08:00 2025-01-31T05:52:00-08:00 2025-01-31T16:00:00-08:00 Actual Update Met Expected Moderate Likely East Slopes of the Oregon Cascades SAME 041017 SAME 041031 SAME 041065 UGC ORZ509 AWIPSidentifier WSWPDT WMOidentifier WWUS46 KPDT 311352 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.WW.Y.0004.000000T0000Z-250202T0000Z/ eventEndingTime 2025-02-02T00:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.262577a5d78fb7c64d30217b0f6b2081a916f86e.002.2,2025-01-30T12:36:00-08:00

* WHAT...Snow expected. Total snow accumulations between 1 and 4 inches with local amounts up to 6 inches. * WHERE...In Idaho, Upper Weiser River. In Oregon, Baker County and Oregon Lower Treasure Valley. * WHEN...From 8 AM MST /7 AM PST/ this morning to 5 PM MST /4 PM PST/ this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult. The hazardous conditions could impact the morning and evening commutes. Winter Weather Advisory 2025-01-31T04:44:00-07:00 2025-01-31T04:44:00-07:00 2025-01-31T08:00:00-07:00 2025-01-31T15:00:00-07:00 Actual Update Met Expected Moderate Likely Upper Weiser River; Baker County; Oregon Lower Treasure Valley SAME 016003 SAME 016087 SAME 041001 SAME 041045 UGC IDZ033 UGC ORZ062 UGC ORZ064 AWIPSidentifier WSWBOI WMOidentifier WWUS45 KBOI 311144 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 AM MST /7 AM PST/ THIS MORNING TO 5 PM MST /4 PM PST/ THIS AFTERNOON BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.WW.Y.0001.250131T1500Z-250201T0000Z/ eventEndingTime 2025-02-01T00:00:00+00:00

* WHAT...Heavy 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, Highway 140 near Lake of the Woods and Highway 58 at Willamette Pass and the Mt Ashland Ski Road up to the resort. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Visibilities may drop below 1/4 mile due to falling and blowing snow. The strong winds and weight of snow on tree limbs may down power lines and could cause sporadic power outages. * ADDITIONAL DETAILS...Snowfall rates could reach 1 inch per hour at times. Winter Storm Warning 2025-01-31T03:40:00-08:00 2025-01-31T03:40:00-08:00 2025-01-31T03:40:00-08:00 2025-01-31T17:45:00-08:00 Actual Update Met Expected Severe 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 311140 NWSheadline WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.CON.KMFR.WS.W.0001.000000T0000Z-250201T1800Z/ eventEndingTime 2025-02-01T18:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3a8da0568582bf3a89e21b0548bd87ce777dd42f.001.1,2025-01-30T01:34:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.552302ec0194ce284ce44805102e637dd8dc02a0.001.2,2025-01-30T01:09:00-08:00

* WHAT...Snow and blowing snow expected. Total snow accumulations 2 to 6 inches expected, with up to 10 inches possible over the higher terrain of Winter Rim and the Warner Mountains. Winds gusting as high as 55 mph. * WHERE...Lake County and eastern Klamath County, Modoc County, and Klamath Basin. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Friday morning and evening commutes. Gusty winds could bring down tree branches. Winter Weather Advisory 2025-01-31T03:40:00-08:00 2025-01-31T03:40:00-08:00 2025-01-31T04:00:00-08:00 2025-01-31T17:45:00-08:00 Actual Update Met Expected Moderate Likely Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County SAME 006049 SAME 041035 SAME 041037 UGC CAZ085 UGC ORZ029 UGC ORZ030 UGC ORZ031 AWIPSidentifier WSWMFR WMOidentifier WWUS46 KMFR 311140 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KMFR.WW.Y.0002.250131T1200Z-250201T1800Z/ eventEndingTime 2025-02-01T18:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.552302ec0194ce284ce44805102e637dd8dc02a0.004.1,2025-01-30T01:09:00-08:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.3a8da0568582bf3a89e21b0548bd87ce777dd42f.005.1,2025-01-30T01:34:00-08:00

Winds and precipitation will improve mixing and eliminate the inversion and stagnant conditions. Air Stagnation Advisory 2025-01-31T04:36:00-07:00 2025-01-31T04:36:00-07:00 2025-01-31T04:36:00-07:00 2025-01-31T05:45:00-07:00 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 311136 NWSheadline AIR STAGNATION ADVISORY WILL EXPIRE AT 5 AM MST /4 AM PST/ EARLY THIS MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXP.KBOI.AS.Y.0003.000000T0000Z-250131T1200Z/ eventEndingTime 2025-01-31T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.87dba0e9d2bcd2f1f7a6c756591cea29bfff8088.001.1,2025-01-29T13:02:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.54f517aea2028d24d1548b9392205a511c6ce85b.002.1,2025-01-29T07:41:00-07:00 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

...SNOW THROUGH SATURDAY WITH AREAS OF LIGHT FREEZING RAIN THIS MORNING... .A significant change in the weather pattern has begun as a 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 light glaze. Little to no snow accumulation. * WHERE...Lower Columbia Basin of Oregon and Washington, Kittitas Valley, and Yakima Valley. * WHEN...Until 10 AM PST this morning. * IMPACTS...Even light freezing rain amounts can cause dangerous driving conditions. Winter Weather Advisory 2025-01-31T03:09:00-08:00 2025-01-31T03:09:00-08:00 2025-01-31T03:09:00-08:00 2025-01-31T10:00:00-08:00 Actual Update 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 311109 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.WW.Y.0004.000000T0000Z-250131T1800Z/ eventEndingTime 2025-01-31T18:00:00+00:00

...SNOW THROUGH SATURDAY WITH AREAS OF LIGHT FREEZING RAIN THIS MORNING... .A significant change in the weather pattern has begun as a 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. Total snow accumulations between 5 and 10 inches with higher accumulations near the crest. Winds gusting as high as 45 mph along exposed ridgetops. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 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. Winter Weather Advisory 2025-01-31T03:09:00-08:00 2025-01-31T03:09:00-08:00 2025-01-31T03:09:00-08:00 2025-01-31T16:00:00-08:00 Actual Update Met Expected Moderate Likely East Slopes of the Oregon Cascades SAME 041017 SAME 041031 SAME 041065 UGC ORZ509 AWIPSidentifier WSWPDT WMOidentifier WWUS46 KPDT 311109 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.WW.Y.0004.000000T0000Z-250202T0000Z/ eventEndingTime 2025-02-02T00:00:00+00:00

...SNOW THROUGH SATURDAY WITH AREAS OF LIGHT FREEZING RAIN THIS MORNING... .A significant change in the weather pattern has begun as a 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...Until 4 PM PST Saturday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions. Strong winds could cause extensive damage to trees and power lines. * 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 2025-01-31T03:09:00-08:00 2025-01-31T03:09:00-08:00 2025-01-31T04:00:00-08:00 2025-01-31T16:00:00-08:00 Actual Update 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 311109 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY ABOVE 4000 FEET BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.WW.Y.0004.250131T1200Z-250202T0000Z/ eventEndingTime 2025-02-02T00:00:00+00:00

* WHAT...Heavy snow expected. Total snow accumulations up to 4 inches. * WHERE...In Oregon, North Oregon Coast Range. In Washington, Willapa Hills. * WHEN...From 10 PM this evening to 10 PM PST Saturday. * 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 Warning 2025-01-31T02:10:00-08:00 2025-01-31T02:10:00-08:00 2025-01-31T22:00:00-08:00 2025-01-31T14:15:00-08:00 Actual Alert Met Expected Severe Likely 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 311010 NWSheadline WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 10 PM PST SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.EXB.KPQR.WS.W.0001.250201T0600Z-250202T0600Z/ eventEndingTime 2025-02-02T06:00:00+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...Until 10 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 2025-01-31T02:10:00-08:00 2025-01-31T02:10:00-08:00 2025-01-31T04:00:00-08:00 2025-01-31T14:15:00-08:00 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 311010 NWSheadline WINTER STORM WARNING NOW IN EFFECT UNTIL 10 PM PST SATURDAY ABOVE 3000 FEET BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.EXT.KPQR.WS.W.0001.250131T1200Z-250202T0600Z/ eventEndingTime 2025-02-02T06:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.23fbe9884a6297eaf8f4910628d5b1fff8a6ee90.001.2,2025-01-30T12:20:00-08:00

SABPQR * WHAT...A SIGNIFICANT WINTER STORM, A VARIABLE AND WEAK SNOWPACK, AND A BUSY WEEKEND COULD COMBINE FOR UNIQUELY DANGEROUS AVALANCHE CONDITIONS. AVALANCHES MAY TRIGGER EASILY AND COULD BREAK WIDELY. * WHERE...THE WASHINGTON CASCADES FROM THE CANADIAN BORDER TO THE COLUMBIA RIVER, MT HOOD, AND THE OLYMPIC MOUNTAINS. * WHEN...IN EFFECT FROM THU 18:00 PST TO SUN 18:00 PST. * IMPACTS...A PROLONGED DRY PERIOD IN JANUARY CREATED A HIGHLY VARIABLE AND POTENTIALLY WEAK SNOWPACK. ACTIVE WEATHER INCLUDING SIGNIFICANT SNOWFALL AND WINDS COULD MAKE THESE LAYERS UNSTABLE. HUMANS MAY EASILY TRIGGER AVALANCHES LARGE ENOUGH TO BURY OR INJURE A PERSON. Avalanche Advisory 2025-01-30T18:18:00-08:00 2025-01-30T18:18:00-08:00 2025-01-30T18:18:00-08:00 2025-02-02T18:00:00-08:00 Actual Alert Met Unknown Unknown Unknown North Oregon Cascades SAME 041005 SAME 041027 SAME 041051 UGC ORZ126 AWIPSidentifier SABPQR WMOidentifier WWUS86 KPQR 310218 NWSheadline THE NORTHWEST AVALANCHE CENTER HAS ISSUED A SPECIAL AVALANCHE BULLETIN BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS

* WHAT...Snow expected. Total snow accumulations 1 to 4 inches. * WHERE...In Idaho, Upper Weiser River. In Oregon, Baker County and Oregon Lower Treasure Valley. * WHEN...From 8 AM MST /7 AM PST/ to 5 PM MST /4 PM PST/ Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be difficult. The hazardous conditions could impact Friday's commutes. Winter Weather Advisory 2025-01-30T14:48:00-07:00 2025-01-30T14:48:00-07:00 2025-01-31T08:00:00-07:00 2025-01-31T07:00:00-07:00 Actual Alert Met Expected Moderate Likely Upper Weiser River; Baker County; Oregon Lower Treasure Valley SAME 016003 SAME 016087 SAME 041001 SAME 041045 UGC IDZ033 UGC ORZ062 UGC ORZ064 AWIPSidentifier WSWBOI WMOidentifier WWUS45 KBOI 302148 NWSheadline WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM MST /7 AM PST/ TO 5 PM MST /4 PM PST/ FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXB.KBOI.WW.Y.0001.250131T1500Z-250201T0000Z/ eventEndingTime 2025-02-01T00:00:00+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 2025-01-30T14:33:00-07:00 2025-01-30T14:33:00-07:00 2025-01-30T14:33:00-07:00 2025-01-31T05:00:00-07:00 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 302133 NWSheadline AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ FRIDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KBOI.AS.Y.0003.000000T0000Z-250131T1200Z/ eventEndingTime 2025-01-31T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.54f517aea2028d24d1548b9392205a511c6ce85b.002.1,2025-01-29T07:41:00-07:00 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...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