< Winter Storm Warning Idaho, Wyoming, Montana | Effective 04/03/2026 03:47

Winter Storm Warning Idaho, Wyoming, Montana | Effective 04/03/2026 03:47

Headline: 
Winter Storm Warning issued April 3 at 4:47AM MDT until April 3 at 6:00PM MDT by NWS Riverton WY
Event: 
Winter Storm Warning
Urgency: 
Expected
Effective: 
April 3, 2026 - 3:47am
Expires: 
April 3, 2026 - 5:00pm
Description: 
* WHAT...Additional snow accumulations of 4 to 6 inches across the Tetons and Gros Ventre Mountains. Up to three additional inches across Yellowstone National Park. * WHERE...Teton and Gros Ventre Mountains and Yellowstone National Park. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be very difficult, including over Teton Pass and Togwotee Pass.
Instruction: 
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. 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: 
Yellowstone National Park; Teton and Gros Ventre Mountains
Forcast Office: 
NWS Riverton WY