WWUS46 KPDT 100849 WSWPDT URGENT - WINTER WEATHER MESSAGE National Weather Service Pendleton OR 149 AM PDT Tue Mar 10 2026 WAZ522-102315- /O.CON.KPDT.WS.W.0003.260311T0000Z-260313T1200Z/ /O.CON.KPDT.WW.Y.0007.000000T0000Z-260310T1500Z/ Upper Slopes of the Eastern Washington Cascades Crest- Including the cities of Roslyn and Easton 149 AM PDT Tue Mar 10 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING... ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM PDT FRIDAY... * WHAT...For the Winter Weather Advisory, snow. Additional snow accumulations up to one inch. For the Winter Storm Warning, heavy snow expected. Total snow accumulations between 1 and 3 feet. Winds gusting as high as 50 mph between 8 PM Wednesday and 11 AM Thursday * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...For the Winter Weather Advisory, until 8 AM PDT this morning. For the Winter Storm Warning, from 5 PM this afternoon to 5 AM PDT Friday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create difficult driving conditions. * ADDITIONAL DETAILS...A strong winter storm will bring heavy mountain snow tonight through Friday morning. There is a lull expected which will occur late Wednesday morning through early Thursday morning as snow levels rise, bringing a wintery mix or rain before decreasing Thursday and heavy snow returning to the passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded. Do not touch downed lines and report any power outages to your electric company. Travel is highly discouraged due to slick roadways and the possibility of downed trees and power lines. Slow down and use caution while traveling. The latest road conditions can be obtained by visiting the website wsdot.wa.gov/travel. && $$ ORZ509-102315- /O.NEW.KPDT.WW.Y.0008.260310T1800Z-260312T0000Z/ East Slopes of the Oregon Cascades- Including the cities of Sisters, La Pine, Sunriver, and Camp Sherman 149 AM PDT Tue Mar 10 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 5 PM PDT WEDNESDAY ABOVE 4500 FEET... * WHAT...Snow expected Above 4500 feet. Total snow accumulations between 5 and 8 inches. Winds gusting as high as 45 mph. * WHERE...East Slopes of the Oregon Cascades. * WHEN...From 11 AM this morning to 5 PM PDT Wednesday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by visiting tripcheck.com online, or by calling 5 1 1. && $$ WAZ030-102315- /O.NEW.KPDT.WW.Y.0008.260311T0300Z-260312T0300Z/ Northwest Blue Mountains- Including the cities of Ski Bluewood Resort 149 AM PDT Tue Mar 10 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 PM PDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations between 6 and 11 inches. Winds gusting as high as 40 mph. * WHERE...Northwest Blue Mountains. * WHEN...From 8 PM this evening to 8 PM PDT Wednesday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by visiting the website wsdot.wa.gov/travel. && $$ BL