Sun Valley, ID Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Sun Valley.

Use the Radar Maps link provided to understand the trajectory of a storm.

Winter Weather Advisory issued November 22 at 4:36AM MST until November 23 at 11:00PM MST by NWS Pocatello ID

* WHAT...Snow expected above 7000 feet. Total snow accumulations between 2 and 10 inches. * WHERE...Frank Church Wilderness and Lost River Range. * WHEN...From 11 PM this evening to 11 PM MST Saturday. * IMPACTS...Plan on slippery road conditions.

Winter Storm Warning issued November 22 at 4:36AM MST until November 23 at 11:00PM MST by NWS Pocatello ID

* WHAT...Heavy snow expected above 7000 feet. Total snow accumulations between 8 and 16 inches above 7000 feet elevation, 4 to 10 inches below. * WHERE...Big Lost Highlands/Copper Basin, Sawtooth/Stanley Basin, and Sun Valley Region. * WHEN...From 11 PM this evening to 11 PM MST Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday morning and evening commutes.

Winter Weather Advisory issued November 22 at 4:36AM MST until November 24 at 5:00PM MST by NWS Pocatello ID

* WHAT...Snow expected above 7000 feet. Total snow accumulations between 6 and 12 inches above 7000 feet, 4 to 8 inches below. * WHERE...Centennial Mountains - Island Park. * WHEN...From 5 AM Saturday to 5 PM MST Sunday. * IMPACTS...Travel could be very difficult.