< Wyoming Winter Weather Advisory | Effective 05/04/2026 10:44

Wyoming Winter Weather Advisory | Effective 05/04/2026 10:44

Headline: 
Winter Weather Advisory issued May 4 at 11:44AM MDT until May 6 at 1:00AM MDT by NWS Riverton WY
Event: 
Winter Weather Advisory
Urgency: 
Expected
Effective: 
May 4, 2026 - 10:44am
Expires: 
May 5, 2026 - 6:00am
Description: 
* WHAT...Snow. Total snow accumulations between 8 and 12 inches for South Pass and Powder River Pass. Total snow accumulations for central portions of the Wind River Mountains of 12 to 18 inches. Winds gusting as high as 35 mph. * WHERE...Wind River Mountains East and Bighorn Mountains Southeast. * WHEN...From 1 AM Tuesday to 1 AM MDT Wednesday. * IMPACTS...Travel could be difficult, especially Tuesday afternoon. The hazardous conditions could impact the Tuesday morning and evening commutes over South Pass and Powder River Pass. Falling snow combined with wind gusts around 30 to 40 mph will lead to reductions in visibility.
Instruction: 
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 .
Area Description: 
Bighorn Mountains Southeast; Wind River Mountains East
Forcast Office: 
NWS Riverton WY