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Home Return to list Winter Storm Warning 0009 Issued by the Pendleton Forecast Office
Action: New Issued At: 2025-12-18 17:00:25 557 WWUS46 KPDT 182300 WSWPDT URGENT - WINTER WEATHER MESSAGE National Weather Service Pendleton OR Issued by National Weather Service Spokane WA 300 PM PST Thu Dec 18 2025 WAZ522-191500- /O.CAN.KPDT.WW.Y.0027.000000T0000Z-251219T0000Z/ /O.NEW.KPDT.WS.W.0009.251219T1200Z-251221T0000Z/ Upper Slopes of the Eastern Washington Cascades Crest- Including the cities of Roslyn and Easton 300 PM PST Thu Dec 18 2025 ...WINTER STORM WARNING IN EFFECT FROM 4 AM FRIDAY TO 4 PM PST SATURDAY... ...WINTER WEATHER ADVISORY IS CANCELLED... * WHAT...Heavy snow. Snow accumulations of 10 to 14 inches expected. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From 4 AM Friday to 4 PM PST Saturday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create difficult driving conditions. 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. && $$ ORZ502-WAZ030-523-190000- /O.CAN.KPDT.WW.Y.0027.000000T0000Z-251219T0000Z/ Northern Blue Mountains of Oregon-Northwest Blue Mountains-Lower Slopes of the Eastern Washington Cascades Crest- Including the cities of Meacham, Appleton, Ski Bluewood Resort, Cliffdell, Cle Elum, and Tollgate 300 PM PST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY IS CANCELLED... Snow is turning to rain as a warm front continues to lift north across the region. Therefore will end the winter weather advisory early this afternoon. $$ ORZ509-191500- /O.NEW.KPDT.WS.W.0009.251219T1200Z-251220T1800Z/ East Slopes of the Oregon Cascades- Including the cities of Sisters, Camp Sherman, Sunriver, and La Pine 300 PM PST Thu Dec 18 2025 ...WINTER STORM WARNING IN EFFECT FROM 4 AM FRIDAY TO 10 AM PST SATURDAY... * WHAT...Heavy snow. Snow accumulations between 6 to 10 inches expected. * WHERE...East Slopes of the Oregon Cascades. * WHEN...From 4 AM Friday to 10 AM PST Saturday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create difficult driving conditions. 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. && $$ OTX Action: New Issued At: 2025-12-18 17:00:25 557 WWUS46 KPDT 182300 WSWPDT URGENT - WINTER WEATHER MESSAGE National Weather Service Pendleton OR Issued by National Weather Service Spokane WA 300 PM PST Thu Dec 18 2025 WAZ522-191500- /O.CAN.KPDT.WW.Y.0027.000000T0000Z-251219T0000Z/ /O.NEW.KPDT.WS.W.0009.251219T1200Z-251221T0000Z/ Upper Slopes of the Eastern Washington Cascades Crest- Including the cities of Roslyn and Easton 300 PM PST Thu Dec 18 2025 ...WINTER STORM WARNING IN EFFECT FROM 4 AM FRIDAY TO 4 PM PST SATURDAY... ...WINTER WEATHER ADVISORY IS CANCELLED... * WHAT...Heavy snow. Snow accumulations of 10 to 14 inches expected. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From 4 AM Friday to 4 PM PST Saturday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create difficult driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded. Do not touch downed lines and report any power outages to your electric company. Travel is highly discouraged due to slick roadways and the possibility of downed trees and power lines. && $$ ORZ502-WAZ030-523-190000- /O.CAN.KPDT.WW.Y.0027.000000T0000Z-251219T0000Z/ Northern Blue Mountains of Oregon-Northwest Blue Mountains-Lower Slopes of the Eastern Washington Cascades Crest- Including the cities of Meacham, Appleton, Ski Bluewood Resort, Cliffdell, Cle Elum, and Tollgate 300 PM PST Thu Dec 18 2025 ...WINTER WEATHER ADVISORY IS CANCELLED... Snow is turning to rain as a warm front continues to lift north across the region. Therefore will end the winter weather advisory early this afternoon. $$ ORZ509-191500- /O.NEW.KPDT.WS.W.0009.251219T1200Z-251220T1800Z/ East Slopes of the Oregon Cascades- Including the cities of Sisters, Camp Sherman, Sunriver, and La Pine 300 PM PST Thu Dec 18 2025 ...WINTER STORM WARNING IN EFFECT FROM 4 AM FRIDAY TO 10 AM PST SATURDAY... * WHAT...Heavy snow. Snow accumulations between 6 to 10 inches expected. * WHERE...East Slopes of the Oregon Cascades. * WHEN...From 4 AM Friday to 10 AM PST Saturday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create difficult driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded. Do not touch downed lines and report any power outages to your electric company. Travel is highly discouraged due to slick roadways and the possibility of downed trees and power lines. && $$ OTX Action: Continued Issued At: 2025-12-19 05:16:06 722 WWUS46 KPDT 191115 WSWPDT URGENT - WINTER WEATHER MESSAGE National Weather Service Pendleton OR 315 AM PST Fri Dec 19 2025 ORZ509-192300- /O.CON.KPDT.WS.W.0009.251219T1200Z-251220T1800Z/ East Slopes of the Oregon Cascades- Including the cities of Camp Sherman, Sunriver, Sisters, and La Pine 315 AM PST Fri Dec 19 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... * WHAT...Heavy snow. Snow accumulations between 6 to 12 inches expected. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create difficult driving conditions. 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. && $$ WAZ522-192300- /O.CON.KPDT.WS.W.0009.251219T1200Z-251221T0000Z/ Upper Slopes of the Eastern Washington Cascades Crest- Including the cities of Easton and Roslyn 315 AM PST Fri Dec 19 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY... * WHAT...Heavy snow. Snow accumulations of 10 to 16 inches expected. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 4 PM PST Saturday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create difficult driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded. Do not touch downed lines and report any power outages to your electric company. Travel is highly discouraged due to slick roadways and the possibility of downed trees and power lines. && $$ ORZ502-WAZ030-192300- /O.NEW.KPDT.WW.Y.0028.251219T1200Z-251220T0600Z/ Northern Blue Mountains of Oregon-Northwest Blue Mountains- Including the cities of Meacham, Tollgate, and Ski Bluewood Resort 315 AM PST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 3500 FEET... * WHAT...Snow expected Above 3500 Feet. Total snow accumulations of 6 to 10 inches. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 10 PM PST this evening. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. In Oregon, the latest road conditions can be obtained by visiting tripcheck.com online, or by calling 5 1 1. In Washington, the latest road conditions can be obtained by visiting the website wsdot.wa.gov/travel. && $$ MC Action: Continued Issued At: 2025-12-19 05:16:06 722 WWUS46 KPDT 191115 WSWPDT URGENT - WINTER WEATHER MESSAGE National Weather Service Pendleton OR 315 AM PST Fri Dec 19 2025 ORZ509-192300- /O.CON.KPDT.WS.W.0009.251219T1200Z-251220T1800Z/ East Slopes of the Oregon Cascades- Including the cities of Camp Sherman, Sunriver, Sisters, and La Pine 315 AM PST Fri Dec 19 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... * WHAT...Heavy snow. Snow accumulations between 6 to 12 inches expected. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create difficult driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded. Do not touch downed lines and report any power outages to your electric company. Travel is highly discouraged due to slick roadways and the possibility of downed trees and power lines. && $$ WAZ522-192300- /O.CON.KPDT.WS.W.0009.251219T1200Z-251221T0000Z/ Upper Slopes of the Eastern Washington Cascades Crest- Including the cities of Easton and Roslyn 315 AM PST Fri Dec 19 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY... * WHAT...Heavy snow. Snow accumulations of 10 to 16 inches expected. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 4 PM PST Saturday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create difficult driving conditions. 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. && $$ ORZ502-WAZ030-192300- /O.NEW.KPDT.WW.Y.0028.251219T1200Z-251220T0600Z/ Northern Blue Mountains of Oregon-Northwest Blue Mountains- Including the cities of Meacham, Tollgate, and Ski Bluewood Resort 315 AM PST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 3500 FEET... * WHAT...Snow expected Above 3500 Feet. Total snow accumulations of 6 to 10 inches. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 10 PM PST this evening. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. In Oregon, the latest road conditions can be obtained by visiting tripcheck.com online, or by calling 5 1 1. In Washington, the latest road conditions can be obtained by visiting the website wsdot.wa.gov/travel. && $$ MC Action: Continued Issued At: 2025-12-19 16:16:56 966 WWUS46 KPDT 192216 WSWPDT URGENT - WINTER WEATHER MESSAGE National Weather Service Pendleton OR 216 PM PST Fri Dec 19 2025 ORZ509-200645- /O.CON.KPDT.WS.W.0009.000000T0000Z-251220T1800Z/ East Slopes of the Oregon Cascades- Including the cities of Sisters, Camp Sherman, Sunriver, and La Pine 216 PM PST Fri Dec 19 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... * WHAT...Heavy snow. Additional snow accumulations between 2 and 6 inches. Winds gusting as high as 35 mph. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. 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. && $$ WAZ522-200645- /O.CON.KPDT.WS.W.0009.000000T0000Z-251221T0000Z/ Upper Slopes of the Eastern Washington Cascades Crest- Including the cities of Easton and Roslyn 216 PM PST Fri Dec 19 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY... * WHAT...Heavy snow. Additional snow accumulations between 4 and 10 inches. Winds gusting as high as 35 mph. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 4 PM PST Saturday. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create very difficult driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded. Do not touch downed lines and report any power outages to your electric company. Travel is highly discouraged due to slick roadways and the possibility of downed trees and power lines. && $$ ORZ502-WAZ030-200600- /O.CON.KPDT.WW.Y.0028.000000T0000Z-251220T0600Z/ Northern Blue Mountains of Oregon-Northwest Blue Mountains- Including the cities of Tollgate, Meacham, and Ski Bluewood Resort 216 PM PST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 3500 FEET... * WHAT...Snow Above 3500 Feet. Additional snow accumulations between 2 and 6 inches. Winds gusting as high as 35 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 10 PM PST this evening. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. In Oregon, the latest road conditions can be obtained by visiting tripcheck.com online, or by calling 5 1 1. In Washington, the latest road conditions can be obtained by visiting the website wsdot.wa.gov/travel. && $$ BL Action: Continued Issued At: 2025-12-19 16:16:56 966 WWUS46 KPDT 192216 WSWPDT URGENT - WINTER WEATHER MESSAGE National Weather Service Pendleton OR 216 PM PST Fri Dec 19 2025 ORZ509-200645- /O.CON.KPDT.WS.W.0009.000000T0000Z-251220T1800Z/ East Slopes of the Oregon Cascades- Including the cities of Sisters, Camp Sherman, Sunriver, and La Pine 216 PM PST Fri Dec 19 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... * WHAT...Heavy snow. Additional snow accumulations between 2 and 6 inches. Winds gusting as high as 35 mph. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded. Do not touch downed lines and report any power outages to your electric company. Travel is highly discouraged due to slick roadways and the possibility of downed trees and power lines. && $$ WAZ522-200645- /O.CON.KPDT.WS.W.0009.000000T0000Z-251221T0000Z/ Upper Slopes of the Eastern Washington Cascades Crest- Including the cities of Easton and Roslyn 216 PM PST Fri Dec 19 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY... * WHAT...Heavy snow. Additional snow accumulations between 4 and 10 inches. Winds gusting as high as 35 mph. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * 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. 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. && $$ ORZ502-WAZ030-200600- /O.CON.KPDT.WW.Y.0028.000000T0000Z-251220T0600Z/ Northern Blue Mountains of Oregon-Northwest Blue Mountains- Including the cities of Tollgate, Meacham, and Ski Bluewood Resort 216 PM PST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 3500 FEET... * WHAT...Snow Above 3500 Feet. Additional snow accumulations between 2 and 6 inches. Winds gusting as high as 35 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 10 PM PST this evening. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. In Oregon, the latest road conditions can be obtained by visiting tripcheck.com online, or by calling 5 1 1. In Washington, the latest road conditions can be obtained by visiting the website wsdot.wa.gov/travel. && $$ BL Action: Continued Issued At: 2025-12-19 23:45:07 157 WWUS46 KPDT 200544 WSWPDT URGENT - WINTER WEATHER MESSAGE National Weather Service Pendleton OR 944 PM PST Fri Dec 19 2025 ORZ502-WAZ030-200645- /O.EXP.KPDT.WW.Y.0028.000000T0000Z-251220T0600Z/ Northern Blue Mountains of Oregon-Northwest Blue Mountains- Including the cities of Ski Bluewood Resort, Tollgate, and Meacham 944 PM PST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 PM PST THIS EVENING... The hazard of accumulating snow has diminished. $$ ORZ509-201800- /O.CON.KPDT.WS.W.0009.000000T0000Z-251220T1800Z/ East Slopes of the Oregon Cascades- Including the cities of Sunriver, Sisters, La Pine, and Camp Sherman 944 PM PST Fri Dec 19 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... * WHAT...Heavy snow. Additional snow accumulations up to two inches. Winds gusting as high as 35 mph. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded. Do not touch downed lines and report any power outages to your electric company. Travel is highly discouraged due to slick roadways and the possibility of downed trees and power lines. && $$ WAZ522-201800- /O.CON.KPDT.WS.W.0009.000000T0000Z-251221T0000Z/ Upper Slopes of the Eastern Washington Cascades Crest- Including the cities of Roslyn and Easton 944 PM PST Fri Dec 19 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY... * WHAT...Heavy snow. Additional snow accumulations between 2 and 11 inches. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 4 PM PST Saturday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions. 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. && $$ MR Action: Continued Issued At: 2025-12-19 23:45:07 157 WWUS46 KPDT 200544 WSWPDT URGENT - WINTER WEATHER MESSAGE National Weather Service Pendleton OR 944 PM PST Fri Dec 19 2025 ORZ502-WAZ030-200645- /O.EXP.KPDT.WW.Y.0028.000000T0000Z-251220T0600Z/ Northern Blue Mountains of Oregon-Northwest Blue Mountains- Including the cities of Ski Bluewood Resort, Tollgate, and Meacham 944 PM PST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 PM PST THIS EVENING... The hazard of accumulating snow has diminished. $$ ORZ509-201800- /O.CON.KPDT.WS.W.0009.000000T0000Z-251220T1800Z/ East Slopes of the Oregon Cascades- Including the cities of Sunriver, Sisters, La Pine, and Camp Sherman 944 PM PST Fri Dec 19 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST SATURDAY... * WHAT...Heavy snow. Additional snow accumulations up to two inches. Winds gusting as high as 35 mph. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Plan on slippery road conditions. 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. && $$ WAZ522-201800- /O.CON.KPDT.WS.W.0009.000000T0000Z-251221T0000Z/ Upper Slopes of the Eastern Washington Cascades Crest- Including the cities of Roslyn and Easton 944 PM PST Fri Dec 19 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY... * WHAT...Heavy snow. Additional snow accumulations between 2 and 11 inches. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 4 PM PST Saturday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded. Do not touch downed lines and report any power outages to your electric company. Travel is highly discouraged due to slick roadways and the possibility of downed trees and power lines. && $$ MR Action: Cancelled Issued At: 2025-12-20 11:32:19 534 WWUS46 KPDT 201732 WSWPDT URGENT - WINTER WEATHER MESSAGE National Weather Service Pendleton OR 932 AM PST Sat Dec 20 2025 ORZ509-201845- /O.CAN.KPDT.WS.W.0009.000000T0000Z-251220T1800Z/ East Slopes of the Oregon Cascades- Including the cities of La Pine, Sunriver, Camp Sherman, and Sisters 932 AM PST Sat Dec 20 2025 ...WINTER STORM WARNING IS CANCELLED... The threat has ended. Remaining snow showers will be light through the morning. $$ WAZ522-210000- /O.CON.KPDT.WS.W.0009.000000T0000Z-251221T0000Z/ Upper Slopes of the Eastern Washington Cascades Crest- Including the cities of Roslyn and Easton 932 AM PST Sat Dec 20 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * WHAT...Heavy snow. Additional snow accumulations between 4 and 10 inches. Winds gusting as high as 35 mph. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create difficult driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded. Do not touch downed lines and report any power outages to your electric company. Travel is highly discouraged due to slick roadways and the possibility of downed trees and power lines. && $$ MD Action: Continued Issued At: 2025-12-20 11:32:19 534 WWUS46 KPDT 201732 WSWPDT URGENT - WINTER WEATHER MESSAGE National Weather Service Pendleton OR 932 AM PST Sat Dec 20 2025 ORZ509-201845- /O.CAN.KPDT.WS.W.0009.000000T0000Z-251220T1800Z/ East Slopes of the Oregon Cascades- Including the cities of La Pine, Sunriver, Camp Sherman, and Sisters 932 AM PST Sat Dec 20 2025 ...WINTER STORM WARNING IS CANCELLED... The threat has ended. Remaining snow showers will be light through the morning. $$ WAZ522-210000- /O.CON.KPDT.WS.W.0009.000000T0000Z-251221T0000Z/ Upper Slopes of the Eastern Washington Cascades Crest- Including the cities of Roslyn and Easton 932 AM PST Sat Dec 20 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * WHAT...Heavy snow. Additional snow accumulations between 4 and 10 inches. Winds gusting as high as 35 mph. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 4 PM PST this afternoon. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create difficult driving conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons should consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking a winter storm kit along with you, including such items as tire chains, booster cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit, and anything else that would help you survive in case you become stranded. Do not touch downed lines and report any power outages to your electric company. Travel is highly discouraged due to slick roadways and the possibility of downed trees and power lines. && $$ MD Action: Time Extended Issued At: 2025-12-20 16:26:26 870 WWUS46 KPDT 202225 WSWPDT URGENT - WINTER WEATHER MESSAGE National Weather Service Pendleton OR 225 PM PST Sat Dec 20 2025 WAZ522-210800- /O.EXT.KPDT.WS.W.0009.000000T0000Z-251221T0800Z/ Upper Slopes of the Eastern Washington Cascades Crest- Including the cities of Roslyn and Easton 225 PM PST Sat Dec 20 2025 ...WINTER STORM WARNING NOW IN EFFECT UNTIL MIDNIGHT PST TONIGHT... * WHAT...Moderate to Heavy snow. Additional snow accumulations between 3 and 7 inches. Winds gusting as high as 30 mph. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until midnight PST tonight. * IMPACTS...Significant snowfall with periods of heavy snowfall rates will combine with low visibility to create difficult driving conditions. 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. && $$ MD Action: Continued Issued At: 2025-12-21 01:03:40 483 WWUS46 KPDT 210703 WSWPDT URGENT - WINTER WEATHER MESSAGE National Weather Service Pendleton OR 1103 PM PST Sat Dec 20 2025 WAZ522-210815- /O.CON.KPDT.WS.W.0009.000000T0000Z-251221T0800Z/ Upper Slopes of the Eastern Washington Cascades Crest- Including the cities of Roslyn and Easton 1103 PM PST Sat Dec 20 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST TONIGHT... * WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until midnight PST tonight. * IMPACTS...Plan on winter weather conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. && $$ ORZ509-211515- /O.NEW.KPDT.WW.Y.0029.251221T0800Z-251222T1200Z/ East Slopes of the Oregon Cascades- Including the cities of Sunriver, La Pine, Camp Sherman, and Sisters 1103 PM PST Sat Dec 20 2025 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM PST MONDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 8 inches. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 4 AM PST Monday. * 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 tripcheck.com online, or by calling 5 1 1. && $$ PDT Action: Expired Issued At: 2025-12-21 01:42:11 373 WWUS46 KPDT 210741 WSWPDT URGENT - WINTER WEATHER MESSAGE National Weather Service Pendleton OR 1141 PM PST Sat Dec 20 2025 WAZ522-210845- /O.EXP.KPDT.WS.W.0009.000000T0000Z-251221T0800Z/ Upper Slopes of the Eastern Washington Cascades Crest- Including the cities of Roslyn and Easton 1141 PM PST Sat Dec 20 2025 ...WINTER STORM WARNING WILL EXPIRE AT MIDNIGHT PST TONIGHT... $$ ORZ509-212300- /O.CON.KPDT.WW.Y.0029.251221T0800Z-251222T1200Z/ East Slopes of the Oregon Cascades- Including the cities of La Pine, Sisters, Sunriver, and Camp Sherman 1141 PM PST Sat Dec 20 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 8 inches. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 4 AM PST Monday. * 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 tripcheck.com online, or by calling 5 1 1. && $$ MC | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||