< Winter Storm Watch Idaho, Wyoming, Montana | Effective 03/13/2026 01:12

Winter Storm Watch Idaho, Wyoming, Montana | Effective 03/13/2026 01:12

Headline: 
Winter Storm Watch issued March 13 at 2:12AM MDT until March 14 at 11:00PM MDT by NWS Riverton WY
Event: 
Winter Storm Watch
Urgency: 
Future
Effective: 
March 13, 2026 - 1:12am
Expires: 
March 13, 2026 - 4:15pm
Description: 
* WHAT...Heavy snow possible. Total snow accumulations of 10 to 15 inches over southern portions and far eastern portions; 3 to 6 inches in central portions and 1 to 4 inches in Lamar Valley and Mammoth. Winds could gust as high as 50 mph. * WHERE...Yellowstone National Park. * WHEN...From Saturday morning through Saturday evening. * IMPACTS...Travel could be difficult, especially in the backcountry.
Instruction: 
Monitor the latest forecasts for updates on this situation.
Area Description: 
Yellowstone National Park
Forcast Office: 
NWS Riverton WY