WWUS46 KPQR 100844 WSWPQR URGENT - WINTER WEATHER MESSAGE National Weather Service Portland OR 144 AM PDT Tue Mar 10 2026 WAZ211-110000- /O.CON.KPQR.WS.W.0002.260311T0000Z-260312T0000Z/ /O.CON.KPQR.WW.Y.0005.000000T0000Z-260311T0000Z/ South Washington Cascades- Including the cities of Larch Mountain, Indian Heaven Wilderness, and Mt. St. Helens 144 AM PDT Tue Mar 10 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM PDT WEDNESDAY... * WHAT...For the Winter Weather Advisory, snow above 2000 ft. Additional snow accumulations of 5 to 7 inches. Winds gusting as high as 35 mph. For the Winter Storm Warning, heavy snow expected above 2500 ft. Total snow accumulations of 12 to 20 inches with up to 24 inches along the volcanos. * WHERE...South Washington Cascades. * WHEN...For the Winter Weather Advisory, until 5 PM PDT this afternoon. For the Winter Storm Warning, from 5 PM this afternoon to 5 PM PDT Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Heaviest snowfall rates between 5 AM and 5 PM Wednesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Consider postponing travel until weather conditions improve. If you must travel, be sure to slow down and allow extra time. If your car becomes trapped in deep snow, be sure to keep your car off to stay safe from potential carbon monoxide poisoning. If you are using a generator, be sure to keep it outdoors and away from windows and vents. Be aware that walking surfaces may be slick. Walk with extra care. Backcountry recreation is not advised. Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. 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. 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 && $$ ORZ106-110000- /O.CON.KPQR.WW.Y.0005.000000T0000Z-260311T0000Z/ North Oregon Coast Range- Including the cities of Sunset Summit and Wilson River Summit 144 AM PDT Tue Mar 10 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... * WHAT...Snow. Additional snow accumulations between 2 to 4 inches above 1000 ft. * WHERE...North Oregon Coast Range. * WHEN...Until 5 PM PDT this afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. && $$ ORZ126-110000- /O.CON.KPQR.WW.Y.0005.000000T0000Z-260312T0000Z/ North Oregon Cascades- Including the cities of Lost Lake, Government Camp, Timothy Lake, and Bennett Pass 144 AM PDT Tue Mar 10 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT WEDNESDAY... * WHAT...Snow above 3000 ft. Additional snow accumulations between 1 and 10 inches. Localized higher amounts along the peaks of Mt Hood above 5500 ft. Winds gusting as high as 35 mph. * WHERE...North Oregon Cascades. * WHEN...Until 5 PM PDT Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. 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 && $$ ORZ127-110000- /O.CON.KPQR.WW.Y.0005.000000T0000Z-260312T0000Z/ Cascades of Marion and Linn Counties- Including the cities of McKenzie Pass, Santiam Junction, Breitenbush Springs, Tombstone Summit, and Santiam Pass 144 AM PDT Tue Mar 10 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT WEDNESDAY... * WHAT...Snow above 3000 ft. Additional snow accumulations between 3 to 8 inches. Localized higher amounts along the ridges. Winds gusting as high as 35 mph. * WHERE...Cascades of Marion and Linn Counties. * WHEN...Until 5 PM PDT Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map && $$ For more information from the National Weather Service visit www.weather.gov/portland 27