Headline:
Winter Weather Advisory issued April 21 at 2:45AM MDT until April 23 at 11:00PM MDT by NWS Riverton WY
Event:
Winter Weather Advisory
Urgency:
Expected
Effective:
April 21, 2026 - 1:45am
Expires:
April 21, 2026 - 5:00pm
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