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Home Return to list Winter Storm Watch 0007 Issued by the Pocatello Forecast Office
Action: New Issued At: 2025-12-16 13:18:49 478 WWUS45 KPIH 161918 WSWPIH URGENT - WINTER WEATHER MESSAGE National Weather Service Pocatello ID 1218 PM MST Tue Dec 16 2025 IDZ071>074-172200- /O.NEW.KPIH.WS.A.0007.251218T1200Z-251220T1200Z/ Frank Church Wilderness-Sawtooth/Stanley Basin-Sun Valley Region- Big Lost Highlands/Copper Basin- Including the cities of Stanley, Ketchum, Sun Valley, Copper Basin, Galena, and Clayton 1218 PM MST Tue Dec 16 2025 ...WINTER STORM WATCH IN EFFECT FROM THURSDAY MORNING THROUGH SATURDAY MORNING... * WHAT...Light to moderate valley snow and heavy mountain snow. Several inches of accumulation below 7,000 feet, including 4 to 6 inches in Stanley and Ketchum. One to two feet accumulation above 7,000 feet, including two feet on Galena Summit. Wind gusts as high as 45 mph. * WHERE...Big Lost Highlands/Copper Basin, Frank Church Wilderness, Sawtooth/Stanley Basin, and Sun Valley Region. * WHEN...From Thursday morning through Saturday morning. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning and evening commutes. Gusty winds could lead to blowing and drifting snow and reduced visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ Visit weather.gov/pocatello for more information. Cropp Action: Upgraded Issued At: 2025-12-17 14:38:07 390 WWUS45 KPIH 172037 WSWPIH URGENT - WINTER WEATHER MESSAGE National Weather Service Pocatello ID 137 PM MST Wed Dec 17 2025 IDZ071>074-181200- /O.UPG.KPIH.WS.A.0007.251218T1200Z-251220T1200Z/ /O.NEW.KPIH.WS.W.0009.251218T1200Z-251220T1200Z/ Frank Church Wilderness-Sawtooth/Stanley Basin-Sun Valley Region- Big Lost Highlands/Copper Basin- Including the cities of Sun Valley, Galena, Ketchum, Clayton, Copper Basin, and Stanley 137 PM MST Wed Dec 17 2025 ...WINTER STORM WARNING IN EFFECT FROM 5 AM THURSDAY TO 5 AM MST SATURDAY... * WHAT...Light to moderate valley snow and heavy mountain snow. Several inches of accumulation below 7,000 feet, including 5 to 8 inches in Stanley and Ketchum. One to two feet accumulation above 7,000 feet, including two feet on Galena Summit. Wind gusts as high as 45 mph. * WHERE...Big Lost Highlands/Copper Basin, Frank Church Wilderness, Sawtooth/Stanley Basin, and Sun Valley Region. * WHEN...From 5 AM Thursday to 5 AM MST Saturday. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the Thursday morning and evening commutes. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions. && $$ Visit weather.gov/pocatello for more information. McKaughan | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||