Active AlertsYellowstone National Park

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 45 mph.
Where: Teton and Gros Ventre Mountains and Yellowstone National Park.
When: From 11 PM this evening to 6 PM MDT Friday.
Impacts: Travel could be very difficult, including over Teton and Togwotee Passes.

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 .