< Winter Storm Watch Idaho, Wyoming, Montana | Effective 04/01/2026 00:47

Winter Storm Watch Idaho, Wyoming, Montana | Effective 04/01/2026 00:47

Headline: 
Winter Storm Watch issued April 1 at 1:47AM MDT until April 3 at 6:00PM MDT by NWS Riverton WY
Event: 
Winter Storm Watch
Urgency: 
Future
Effective: 
April 1, 2026 - 12:47am
Expires: 
April 1, 2026 - 5:00pm
Description: 
* WHAT...Heavy snow possible. Total snow accumulations between 12 and 18 inches possible with locally up to 24 inches in the western slopes of the Tetons. In northern Yellowstone Park, 6 to 10 inches of snow is possible. Winds could gust as high as 40 mph. * WHERE...Teton and Gros Ventre Mountains and Yellowstone National Park. * WHEN...From this evening through Friday afternoon. * IMPACTS...Travel could be very difficult, including over Teton and Togwotee Passes.
Instruction: 
Monitor the latest forecasts for updates on this situation.
Area Description: 
Yellowstone National Park; Teton and Gros Ventre Mountains
Forcast Office: 
NWS Riverton WY