< Wyoming Winter Weather Advisory | Effective 04/21/2026 11:09

Wyoming Winter Weather Advisory | Effective 04/21/2026 11:09

Headline: 
Winter Weather Advisory issued April 21 at 12:09PM MDT until April 23 at 11:00PM MDT by NWS Riverton WY
Event: 
Winter Weather Advisory
Urgency: 
Expected
Effective: 
April 21, 2026 - 11:09am
Expires: 
April 22, 2026 - 6:00am
Description: 
* WHAT...Snow expected. Total snow accumulations generally between 6 and 12 inches with locally higher amounts to 18 inches across the Tetons. Winds gusting as high as 45 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From noon Wednesday to 11 PM MDT Thursday. * IMPACTS...Travel could be very difficult, including over Teton Pass and Togwotee Pass.
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: 
Teton and Gros Ventre Mountains
Forcast Office: 
NWS Riverton WY