Winter Weather Advisory

Locations Affected

Pilot Peak, WY ∙ Pat O'Hara Peak, WY ∙ Cloud Peak, WY ∙ Yellow Mountain, WY ∙ Cottonwood Peak, WY ∙ Pahaska Tepee, WY ∙ Shoshone National Forest, WY ∙ Black Tooth Mountain, WY ∙ Hurricane Mesa, WY ∙ Phelps Mountain, WY

Full Alert Message

URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 130 AM MDT Tue May 13 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 11 PM MDT WEDNESDAY... * WHAT...Snow. Total snow accumulations 6 to 12 inches, mainly above 8000 ft. Isolated amounts up to 18 inches possible around Cloud Peak. Winds gusting as high as 35 mph. * WHERE...Bighorn Mountains Southeast and Bighorn Mountains West. * WHEN...From 4 AM to 11 PM MDT Wednesday. * IMPACTS...Travel could be difficult, especially in the backcountry. Gusty wind could result in brief whiteout conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info .

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