Weather Alerts For Stanley, ID

URGENT - WINTER WEATHER MESSAGE National Weather Service Pocatello ID 136 PM MST Sat Dec 20 2025 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. &&

BULLETIN - IMMEDIATE BROADCAST REQUESTED BACKCOUNTRY AVALANCHE WARNING Forest Service Sawtooth Avalanche Center Ketchum ID Relayed by National Weather Service Pocatello ID 618 AM MST Sat Dec 20 2025 ...The Forest Service Sawtooth Avalanche Center in Ketchum has ISSUED an AVALANCHE WARNING which is in effect until 7 AM MST Sunday... * WHAT...Avalanche warning. The avalanche danger is HIGH. Heavy snowfall and wind driven snow are overloading a weak snowpack. * WHERE...The Sawtooths, White Clouds, Smokys, Boulders, and Pioneers, including the mountains near Atlanta, Stanley, Smiley Creek, Galena Summit, and Trail Creek Summit. * WHEN...7 AM MST Saturday until 7 AM MST Sunday. * IMPACTS...Human triggered avalanches large enough to bury people, snap trees, or destroy structures are very likely to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Very dangerous avalanche conditions exist. Travel in avalanche terrain is not recommended. Stay off and out from below steep slopes, slopes steeper than about 30 degrees. Avalanches may be triggered remotely, from flat terrain above, below, and to the sides of steep slopes. Consult www.sawtoothavalanche.com or www.avalanche.org for more detailed information. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center.