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Home Return to list Winter Weather Advisory 0023 Issued by the Portland Forecast Office
Action: New Issued At: 2025-12-18 15:58:53 871 WWUS46 KPQR 182158 WSWPQR URGENT - WINTER WEATHER MESSAGE National Weather Service Portland OR 158 PM PST Thu Dec 18 2025 ORZ126-127-WAZ211-191500- /O.NEW.KPQR.WW.Y.0023.251219T1200Z-251220T1800Z/ North Oregon Cascades-Cascades of Marion and Linn Counties-South Washington Cascades- Including the cities of Indian Heaven Wilderness, Larch Mountain, McKenzie Pass, Santiam Pass, Bennett Pass, Government Camp, Santiam Junction, Tombstone Summit, Breitenbush Springs, Mt. St. Helens, Timothy Lake, and Lost Lake 158 PM PST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM FRIDAY TO 10 AM PST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6-12 inches above 3000 feet, except up to 14-16 inches above 2500 feet in the south Washington Cascades. Winds gusting as high as 40 mph. * WHERE...In Oregon, North Oregon Cascades and Cascades of Marion and Linn Counties. In Washington, South Washington Cascades. * WHEN...From 4 AM Friday to 10 AM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map && $$ ORZ128-191500- /O.NEW.KPQR.WW.Y.0023.251219T1200Z-251220T1200Z/ Cascades of Lane County- Including the cities of Willamette Pass and Waldo Lake 158 PM PST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM FRIDAY TO 4 AM PST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6-11 inches, mainly above 4500 feet. Winds gusting as high as 40 mph. * WHERE...Cascades of Lane County. * WHEN...From 4 AM Friday to 4 AM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map && $$ For more information from the National Weather Service visit www.weather.gov/portland 03 Action: New Issued At: 2025-12-18 15:58:53 871 WWUS46 KPQR 182158 WSWPQR URGENT - WINTER WEATHER MESSAGE National Weather Service Portland OR 158 PM PST Thu Dec 18 2025 ORZ126-127-WAZ211-191500- /O.NEW.KPQR.WW.Y.0023.251219T1200Z-251220T1800Z/ North Oregon Cascades-Cascades of Marion and Linn Counties-South Washington Cascades- Including the cities of Indian Heaven Wilderness, Larch Mountain, McKenzie Pass, Santiam Pass, Bennett Pass, Government Camp, Santiam Junction, Tombstone Summit, Breitenbush Springs, Mt. St. Helens, Timothy Lake, and Lost Lake 158 PM PST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM FRIDAY TO 10 AM PST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6-12 inches above 3000 feet, except up to 14-16 inches above 2500 feet in the south Washington Cascades. Winds gusting as high as 40 mph. * WHERE...In Oregon, North Oregon Cascades and Cascades of Marion and Linn Counties. In Washington, South Washington Cascades. * WHEN...From 4 AM Friday to 10 AM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map && $$ ORZ128-191500- /O.NEW.KPQR.WW.Y.0023.251219T1200Z-251220T1200Z/ Cascades of Lane County- Including the cities of Willamette Pass and Waldo Lake 158 PM PST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM FRIDAY TO 4 AM PST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6-11 inches, mainly above 4500 feet. Winds gusting as high as 40 mph. * WHERE...Cascades of Lane County. * WHEN...From 4 AM Friday to 4 AM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map && $$ For more information from the National Weather Service visit www.weather.gov/portland 03 Action: Continued Issued At: 2025-12-19 04:15:19 141 WWUS46 KPQR 191014 WSWPQR URGENT - WINTER WEATHER MESSAGE National Weather Service Portland OR 214 AM PST Fri Dec 19 2025 ORZ126-127-WAZ211-200000- /O.CON.KPQR.WW.Y.0023.251219T1200Z-251220T1800Z/ North Oregon Cascades-Cascades of Marion and Linn Counties-South Washington Cascades- Including the cities of Larch Mountain, Mt. St. Helens, Bennett Pass, Government Camp, Indian Heaven Wilderness, Lost Lake, McKenzie Pass, Santiam Pass, Tombstone Summit, Timothy Lake, Breitenbush Springs, and Santiam Junction 214 AM PST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6-12 inches above 3000 feet, except up to 12-16 inches above 2500 feet in the south Washington Cascades. Winds gusting as high as 40 mph. * WHERE...In Oregon, North Oregon Cascades and Cascades of Marion and Linn Counties. In Washington, South Washington Cascades. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map && $$ ORZ128-200000- /O.CON.KPQR.WW.Y.0023.251219T1200Z-251220T1200Z/ Cascades of Lane County- Including the cities of Waldo Lake and Willamette Pass 214 AM PST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6-11 inches, mainly above 4000 feet. Winds gusting as high as 40 mph. * WHERE...Cascades of Lane County. * WHEN...Until 4 AM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map && $$ For more information from the National Weather Service visit www.weather.gov/portland ts Action: Continued Issued At: 2025-12-19 04:15:19 141 WWUS46 KPQR 191014 WSWPQR URGENT - WINTER WEATHER MESSAGE National Weather Service Portland OR 214 AM PST Fri Dec 19 2025 ORZ126-127-WAZ211-200000- /O.CON.KPQR.WW.Y.0023.251219T1200Z-251220T1800Z/ North Oregon Cascades-Cascades of Marion and Linn Counties-South Washington Cascades- Including the cities of Larch Mountain, Mt. St. Helens, Bennett Pass, Government Camp, Indian Heaven Wilderness, Lost Lake, McKenzie Pass, Santiam Pass, Tombstone Summit, Timothy Lake, Breitenbush Springs, and Santiam Junction 214 AM PST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6-12 inches above 3000 feet, except up to 12-16 inches above 2500 feet in the south Washington Cascades. Winds gusting as high as 40 mph. * WHERE...In Oregon, North Oregon Cascades and Cascades of Marion and Linn Counties. In Washington, South Washington Cascades. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map && $$ ORZ128-200000- /O.CON.KPQR.WW.Y.0023.251219T1200Z-251220T1200Z/ Cascades of Lane County- Including the cities of Waldo Lake and Willamette Pass 214 AM PST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY... * WHAT...Snow expected. Total snow accumulations of 6-11 inches, mainly above 4000 feet. Winds gusting as high as 40 mph. * WHERE...Cascades of Lane County. * WHEN...Until 4 AM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map && $$ For more information from the National Weather Service visit www.weather.gov/portland ts Action: Continued Issued At: 2025-12-19 16:21:56 038 WWUS46 KPQR 192221 WSWPQR URGENT - WINTER WEATHER MESSAGE National Weather Service Portland OR 221 PM PST Fri Dec 19 2025 ORZ126-127-WAZ211-201200- /O.CON.KPQR.WW.Y.0023.000000T0000Z-251220T1800Z/ North Oregon Cascades-Cascades of Marion and Linn Counties-South Washington Cascades- Including the cities of Santiam Pass, Larch Mountain, Tombstone Summit, Breitenbush Springs, Timothy Lake, Santiam Junction, Lost Lake, Mt. St. Helens, Indian Heaven Wilderness, Government Camp, McKenzie Pass, and Bennett Pass 221 PM PST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... * WHAT...Snow. Additional snow accumulations 1 to 3 inches at pass level, and 4 to 8 inches above 5000-5500 feet. Winds gusting as high as 35 mph. * WHERE...In Oregon, North Oregon Cascades and Cascades of Marion and Linn Counties. In Washington, South Washington Cascades. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map && $$ ORZ128-201200- /O.CON.KPQR.WW.Y.0023.000000T0000Z-251220T1200Z/ Cascades of Lane County- Including the cities of Willamette Pass and Waldo Lake 221 PM PST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY... * WHAT...Snow. Additional snow accumulations 1 to 3 inches. * WHERE...Cascades of Lane County. * WHEN...Until 4 AM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map && $$ For more information from the National Weather Service visit www.weather.gov/portland 23 Action: Continued Issued At: 2025-12-19 16:21:56 038 WWUS46 KPQR 192221 WSWPQR URGENT - WINTER WEATHER MESSAGE National Weather Service Portland OR 221 PM PST Fri Dec 19 2025 ORZ126-127-WAZ211-201200- /O.CON.KPQR.WW.Y.0023.000000T0000Z-251220T1800Z/ North Oregon Cascades-Cascades of Marion and Linn Counties-South Washington Cascades- Including the cities of Santiam Pass, Larch Mountain, Tombstone Summit, Breitenbush Springs, Timothy Lake, Santiam Junction, Lost Lake, Mt. St. Helens, Indian Heaven Wilderness, Government Camp, McKenzie Pass, and Bennett Pass 221 PM PST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... * WHAT...Snow. Additional snow accumulations 1 to 3 inches at pass level, and 4 to 8 inches above 5000-5500 feet. Winds gusting as high as 35 mph. * WHERE...In Oregon, North Oregon Cascades and Cascades of Marion and Linn Counties. In Washington, South Washington Cascades. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map && $$ ORZ128-201200- /O.CON.KPQR.WW.Y.0023.000000T0000Z-251220T1200Z/ Cascades of Lane County- Including the cities of Willamette Pass and Waldo Lake 221 PM PST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST SATURDAY... * WHAT...Snow. Additional snow accumulations 1 to 3 inches. * WHERE...Cascades of Lane County. * WHEN...Until 4 AM PST Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map && $$ For more information from the National Weather Service visit www.weather.gov/portland 23 Action: Expired Issued At: 2025-12-20 05:50:37 303 WWUS46 KPQR 201150 WSWPQR URGENT - WINTER WEATHER MESSAGE National Weather Service Portland OR 350 AM PST Sat Dec 20 2025 ORZ128-201300- /O.EXP.KPQR.WW.Y.0023.000000T0000Z-251220T1200Z/ Cascades of Lane County- Including the cities of Waldo Lake and Willamette Pass 350 AM PST Sat Dec 20 2025 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 4 AM PST EARLY THIS MORNING... Snow showers are on the decrease with up to 1 inch of additional snow accumulation the rest of the day. Thus, the Winter Weather Advisory will be allowed to expire. $$ ORZ126-127-WAZ211-201800- /O.CON.KPQR.WW.Y.0023.000000T0000Z-251220T1800Z/ North Oregon Cascades-Cascades of Marion and Linn Counties-South Washington Cascades- Including the cities of Timothy Lake, Santiam Junction, Tombstone Summit, Bennett Pass, Indian Heaven Wilderness, Mt. St. Helens, Santiam Pass, McKenzie Pass, Larch Mountain, Lost Lake, Breitenbush Springs, and Government Camp 350 AM PST Sat Dec 20 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Snow. Additional snow accumulations up to 1 to 4 inches. Winds gusting as high as 35 mph. * WHERE...In Oregon, North Oregon Cascades and Cascades of Marion and Linn Counties. In Washington, South Washington Cascades. * WHEN...Until 10 AM PST this morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map && $$ For more information from the National Weather Service visit www.weather.gov/portland ts Action: Continued Issued At: 2025-12-20 05:50:37 303 WWUS46 KPQR 201150 WSWPQR URGENT - WINTER WEATHER MESSAGE National Weather Service Portland OR 350 AM PST Sat Dec 20 2025 ORZ128-201300- /O.EXP.KPQR.WW.Y.0023.000000T0000Z-251220T1200Z/ Cascades of Lane County- Including the cities of Waldo Lake and Willamette Pass 350 AM PST Sat Dec 20 2025 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 4 AM PST EARLY THIS MORNING... Snow showers are on the decrease with up to 1 inch of additional snow accumulation the rest of the day. Thus, the Winter Weather Advisory will be allowed to expire. $$ ORZ126-127-WAZ211-201800- /O.CON.KPQR.WW.Y.0023.000000T0000Z-251220T1800Z/ North Oregon Cascades-Cascades of Marion and Linn Counties-South Washington Cascades- Including the cities of Timothy Lake, Santiam Junction, Tombstone Summit, Bennett Pass, Indian Heaven Wilderness, Mt. St. Helens, Santiam Pass, McKenzie Pass, Larch Mountain, Lost Lake, Breitenbush Springs, and Government Camp 350 AM PST Sat Dec 20 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Snow. Additional snow accumulations up to 1 to 4 inches. Winds gusting as high as 35 mph. * WHERE...In Oregon, North Oregon Cascades and Cascades of Marion and Linn Counties. In Washington, South Washington Cascades. * WHEN...Until 10 AM PST this morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map && $$ For more information from the National Weather Service visit www.weather.gov/portland ts Action: Expired Issued At: 2025-12-20 12:09:20 399 WWUS46 KPQR 201809 WSWPQR URGENT - WINTER WEATHER MESSAGE National Weather Service Portland OR 1009 AM PST Sat Dec 20 2025 ORZ126-127-WAZ211-201915- /O.EXP.KPQR.WW.Y.0023.000000T0000Z-251220T1800Z/ North Oregon Cascades-Cascades of Marion and Linn Counties-South Washington Cascades- Including the cities of Timothy Lake, Santiam Pass, Government Camp, Mt. St. Helens, Larch Mountain, Indian Heaven Wilderness, Tombstone Summit, McKenzie Pass, Lost Lake, Santiam Junction, Breitenbush Springs, and Bennett Pass 1009 AM PST Sat Dec 20 2025 ...WINTER WEATHER ADVISORY HAS EXPIRED... Snow accumulation has decreased, reducing the threat. The advisory will be allowed to expire. $$ For more information from the National Weather Service visit www.weather.gov/portland 12 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||