Jackson, Wyo. – A strong early-season snowstorm is poised to blanket western Wyoming’s highest peaks from Sunday through Monday, creating dangerous travel conditions and whiteouts across Teton and Absaroka mountain passes. Winds could gust near 60 mph, adding to blowing and drifting snow hazards above 8,000 feet.
According to the National Weather Service in Riverton, a Winter Weather Advisory takes effect from noon Sunday through noon Monday for the Absaroka, Teton, and Gros Ventre Mountains. The storm is expected to bring 6 to 10 inches of snow, particularly along elevations above 8,000 feet, where mountain routes such as Teton Pass (WY-22) may become slick and difficult to navigate.
The combination of heavy snow and high winds may reduce visibility to near zero at times, especially late Sunday night. According to the Wyoming Department of Transportation (WYDOT), motorists should be prepared for chain restrictions and possible travel delays over the passes. Drivers are urged to slow down, keep headlights on, and carry extra blankets and emergency supplies in case of unexpected closures.
Temperatures will plunge overnight Sunday, keeping snow on the ground into early next week. Lower valleys near Jackson may see light accumulations, with daytime highs struggling to reach the upper 30s Monday. Outdoor recreationists are advised to delay mountain travel, secure gear, and check updated conditions at wyoroad.info and weather.gov/riw.
