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Home Return to list Winter Storm Warning 0010 Issued by the Pocatello Forecast Office
Action: New Issued At: 2025-12-20 14:36:24 977 WWUS45 KPIH 202036 WSWPIH URGENT - WINTER WEATHER MESSAGE National Weather Service Pocatello ID 136 PM MST Sat Dec 20 2025 IDZ071>074-211100- /O.NEW.KPIH.WS.W.0010.251221T0900Z-251222T1800Z/ Frank Church Wilderness-Sawtooth/Stanley Basin-Sun Valley Region- Big Lost Highlands/Copper Basin- Including the cities of Sun Valley, Stanley, Ketchum, Galena, Clayton, and Copper Basin 136 PM MST Sat Dec 20 2025 ...WINTER STORM WARNING IN EFFECT FROM 2 AM SUNDAY TO 11 AM MST MONDAY... * WHAT...Heavy snow expected. Total snow accumulations 3 to 6 inches at valley floors and 8 to 18 inches above 7000 ft. * WHERE...Big Lost Highlands/Copper Basin, Frank Church Wilderness, Sawtooth/Stanley Basin, and Sun Valley Region. * WHEN...From 2 AM Sunday to 11 AM MST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions. && $$ IDZ060-064-066-211100- /O.NEW.KPIH.WW.Y.0021.251221T0900Z-251222T1800Z/ Bear River Range-Big Hole Mountains-Centennial Mountains - Island Park- Including the cities of Island Park, Emigration Summit, Kilgore, and Victor 136 PM MST Sat Dec 20 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM SUNDAY TO 11 AM MST MONDAY... * WHAT...Snow expected. Total snow accumulations 6 to 12 inches above 6500 feet. * WHERE...Big Hole Mountains, Centennial Mountains - Island Park, and Bear River Range. * WHEN...From 2 AM Sunday to 11 AM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions. && $$ IDZ075-211100- /O.NEW.KPIH.WW.Y.0021.251221T0900Z-251222T1800Z/ Wood River Foothills- Including the cities of Bellevue, Picabo, and Hailey 136 PM MST Sat Dec 20 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 AM SUNDAY TO 11 AM MST MONDAY... * WHAT...Snow expected. Total snow accumulations 3 to 7 inches above 6500 feet. * WHERE...Wood River Foothills. * WHEN...From 2 AM Sunday to 11 AM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions. && $$ Visit weather.gov/pocatello for more information. DMH Action: Continued Issued At: 2025-12-21 05:00:36 067 WWUS45 KPIH 211100 WSWPIH URGENT - WINTER WEATHER MESSAGE National Weather Service Pocatello ID 400 AM MST Sun Dec 21 2025 IDZ071>074-212200- /O.CON.KPIH.WS.W.0010.000000T0000Z-251222T1800Z/ Frank Church Wilderness-Sawtooth/Stanley Basin-Sun Valley Region- Big Lost Highlands/Copper Basin- Including the cities of Galena, Copper Basin, Ketchum, Sun Valley, Stanley, and Clayton 400 AM MST Sun Dec 21 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... * WHAT...Heavy snow. Total snow accumulations 2 to 6 inches at valley floors and 8 to 18 inches above 7000 ft, * WHERE...Big Lost Highlands/Copper Basin, Frank Church Wilderness, Sawtooth/Stanley Basin, and Sun Valley Region. * WHEN...Until 11 AM MST Monday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions. && $$ IDZ060-064-066-212200- /O.CON.KPIH.WW.Y.0021.000000T0000Z-251222T1800Z/ Bear River Range-Big Hole Mountains-Centennial Mountains - Island Park- Including the cities of Kilgore, Emigration Summit, Island Park, and Victor 400 AM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... * WHAT...Snow. Total snow accumulations 4 to 10 inches above 6500 feet. * WHERE...Big Hole Mountains, Centennial Mountains - Island Park, and Bear River Range. * WHEN...Until 11 AM MST Monday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions. && $$ IDZ075-212200- /O.CON.KPIH.WW.Y.0021.000000T0000Z-251222T1800Z/ Wood River Foothills- Including the cities of Hailey, Picabo, and Bellevue 400 AM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... * WHAT...Snow. Additional snow accumulations 2 to 6 inches. * WHERE...Wood River Foothills. * WHEN...Until 11 AM MST Monday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions. && $$ Visit weather.gov/pocatello for more information. GK Action: Continued Issued At: 2025-12-21 14:14:10 886 WWUS45 KPIH 212013 WSWPIH URGENT - WINTER WEATHER MESSAGE National Weather Service Pocatello ID 113 PM MST Sun Dec 21 2025 IDZ071>074-221100- /O.CON.KPIH.WS.W.0010.000000T0000Z-251222T1800Z/ Frank Church Wilderness-Sawtooth/Stanley Basin-Sun Valley Region- Big Lost Highlands/Copper Basin- Including the cities of Clayton, Copper Basin, Galena, Sun Valley, Stanley, and Ketchum 113 PM MST Sun Dec 21 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... * WHAT...Heavy snow. Total snow accumulations 2 to 6 inches at valley floors and 8 to 18 inches above 7000 ft, * WHERE...Big Lost Highlands/Copper Basin, Frank Church Wilderness, Sawtooth/Stanley Basin, and Sun Valley Region. * WHEN...Until 11 AM MST Monday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Monday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions. && $$ IDZ060-064-066-221100- /O.CON.KPIH.WW.Y.0021.000000T0000Z-251222T1800Z/ Bear River Range-Big Hole Mountains-Centennial Mountains - Island Park- Including the cities of Kilgore, Emigration Summit, Victor, and Island Park 113 PM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... * WHAT...Snow. Total snow accumulations 4 to 10 inches above 6500 feet. * WHERE...Big Hole Mountains, Centennial Mountains - Island Park, and Bear River Range. * WHEN...Until 11 AM MST Monday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions. && $$ IDZ075-221100- /O.CON.KPIH.WW.Y.0021.000000T0000Z-251222T1800Z/ Wood River Foothills- Including the cities of Hailey, Bellevue, and Picabo 113 PM MST Sun Dec 21 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST MONDAY... * WHAT...Snow. Total snow accumulations 2 to 6 inches. * WHERE...Wood River Foothills. * WHEN...Until 11 AM MST Monday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions. && $$ Visit weather.gov/pocatello for more information. DMH Action: Continued Issued At: 2025-12-22 03:24:32 977 WWUS45 KPIH 220924 WSWPIH URGENT - WINTER WEATHER MESSAGE National Weather Service Pocatello ID 224 AM MST Mon Dec 22 2025 IDZ075-221030- /O.CAN.KPIH.WW.Y.0021.000000T0000Z-251222T1800Z/ Wood River Foothills- Including the cities of Hailey, Bellevue, and Picabo 224 AM MST Mon Dec 22 2025 ...WINTER WEATHER ADVISORY IS CANCELLED FOR THE WOOD RIVER FOOTHILLS... Snow has changed to rain, with one half inch or less of additional accumulation expected today for area highways and lower elevation population areas. $$ IDZ071>074-221800- /O.CON.KPIH.WS.W.0010.000000T0000Z-251222T1800Z/ Frank Church Wilderness-Sawtooth/Stanley Basin-Sun Valley Region- Big Lost Highlands/Copper Basin- Including the cities of Clayton, Stanley, Ketchum, Copper Basin, Galena, and Sun Valley 224 AM MST Mon Dec 22 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...Moderate snow. Additional snow accumulations of 1 to 5 inches. Winds gusting as high as 35 MPH. * WHERE...Big Lost Highlands/Copper Basin, Frank Church Wilderness, Sawtooth/Stanley Basin, and Sun Valley Region. * WHEN...Until 11 AM MST this morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions. && $$ IDZ060-064-066-221800- /O.CON.KPIH.WW.Y.0021.000000T0000Z-251222T1800Z/ Bear River Range-Big Hole Mountains-Centennial Mountains - Island Park- Including the cities of Island Park, Kilgore, Victor, and Emigration Summit 224 AM MST Mon Dec 22 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... * WHAT...A mix of rain and snow. Additional snow accumulations up to 2 inches. Winds gusting as high as 35 MPH. * WHERE...Big Hole Mountains, Centennial Mountains - Island Park, and Bear River Range. * WHEN...Until 11 AM MST this morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions. && $$ Visit weather.gov/pocatello for more information. KSmith Action: Expired Issued At: 2025-12-22 11:35:33 242 WWUS45 KPIH 221735 WSWPIH URGENT - WINTER WEATHER MESSAGE National Weather Service Pocatello ID 1035 AM MST Mon Dec 22 2025 IDZ071>074-221845- /O.EXP.KPIH.WS.W.0010.000000T0000Z-251222T1800Z/ Frank Church Wilderness-Sawtooth/Stanley Basin-Sun Valley Region- Big Lost Highlands/Copper Basin- Including the cities of Stanley, Sun Valley, Clayton, Copper Basin, Galena, and Ketchum 1035 AM MST Mon Dec 22 2025 ...WINTER STORM WARNING WILL EXPIRE AT 11 AM MST THIS MORNING... Moderate to heavy accumulation of snow have ended. Light snow will accumulate overnight and Tuesday morning at elevations above 6000 feet. $$ IDZ060-064-066-230600- /O.EXT.KPIH.WW.Y.0021.000000T0000Z-251223T0600Z/ Bear River Range-Big Hole Mountains-Centennial Mountains - Island Park- Including the cities of Victor, Kilgore, Island Park, and Emigration Summit 1035 AM MST Mon Dec 22 2025 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations up to 4 inches, Mainly in the passes in areas north of Palisades Reservoir, in the Big Hole and Island Park region. Winds gusting as high as 35 mph. * WHERE...Big Hole Mountains, Centennial Mountains - Island Park, and Bear River Range. * WHEN...Until 11 PM MST this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact travel. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions. && $$ Visit weather.gov/pocatello for more information. Messick | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||