Winter Weather Advisory

Locations Affected

Black Tooth Mountain, WY ∙ Meadow Lark Lake, WY ∙ Hazelton Peak, WY ∙ Bighorn National Forest, WY ∙ Ten Sleep, WY ∙ Hunt Mountain, WY ∙ Cloud Peak, WY

Full Alert Message

URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 1254 PM MDT Mon May 19 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Additional snow accumulations up to 4 inches possible above 8000 feet with winds gusting as high as 45 mph. * WHERE...Bighorn Mountains Southeast and Bighorn Mountains West. * WHEN...Until 12 AM MDT Tuesday. * IMPACTS...Travel could be difficult, including over Powder River and Granite Passes. 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 .

---