####018002356#### WWUS45 KPIH 211945 WSWPIH URGENT - WINTER WEATHER MESSAGE National Weather Service Pocatello ID 145 PM MDT Sat Jun 21 2025 IDZ069>074-221130- /O.CON.KPIH.WW.Y.0017.000000T0000Z-250623T0000Z/ Lost River Range-Challis/Pahsimeroi Valleys-Frank Church Wilderness-Sawtooth/Stanley Basin-Sun Valley Region-Big Lost Highlands/Copper Basin- Including the cities of Borah Peak, Sun Valley, Stanley, Galena, Challis, Clayton, Copper Basin, and Ketchum 145 PM MDT Sat Jun 21 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT SUNDAY ABOVE 7500 FEET ELEVATION... * WHAT...Snow expected to accumulate above 7500 feet elevation. Additional snow accumulations up to 8 inches. * WHERE...Big Lost Highlands/Copper Basin, Challis/Pahsimeroi Valleys, Frank Church Wilderness, Lost River Range, Sawtooth/Stanley Basin, and Sun Valley Region. * WHEN...Until 6 PM MDT Sunday. * IMPACTS...Travel could be difficult, especially in the backcountry. Those recreating in the higher elevations should be prepared for winter weather conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions. && $$ IDZ066-067-221130- /O.CON.KPIH.WW.Y.0017.250622T0600Z-250623T0000Z/ Centennial Mountains - Island Park-Beaverhead - Lemhi Highlands- Including the cities of Island Park, Edie School, Spencer, Dubois, Small, and Kilgore 145 PM MDT Sat Jun 21 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MDT SUNDAY ABOVE 7500 FEET ELEVATION... * WHAT...Snow expected to accumulate above 7500 feet elevation. Total snow accumulations up to 7 inches. * WHERE...Beaverhead - Lemhi Highlands and Centennial Mountains - Island Park. * WHEN...From midnight tonight to 6 PM MDT Sunday. * IMPACTS...Travel could be difficult, especially in the backcountry. Those recreating in the higher elevations should be prepared for winter weather conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Call 5 1 1 or visit 511.idaho.gov for the latest road conditions. && $$ Visit weather.gov/pocatello for more information. Messick