Winter Storm Warning issued December 29 at 1:47AM MST until December 30 at 5:00AM MST by NWS Pocatello ID

* WHAT…Several rounds of snow, moderate to heavy at times.
Additional snow accumulations of 3 to 7 inches in the valleys
including Stanley and Ketchum, and 10 to 20 inches from pass level
into the backcountry including Galena and Banner Summits. Winds
gusting as high as 35 MPH.

* WHERE…Sawtooth/Stanley Basin and Sun Valley Region.

* WHEN…Until 5 AM MST Monday.

* IMPACTS…Prepare for slick road conditions, reduced visibility,
and localized pockets of blowing and drifting snow. Travel could
be very difficult to impossible at times.