Winter Weather Advisory

Full Alert Message

URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 1142 PM MST Sat Feb 22 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM SUNDAY TO 11 AM MST MONDAY... * WHAT...Snow expected. Total snow accumulations between 4 and 8 inches. Total snow accumulations for southern Yellowstone, including the Pitchstone Plateau, of 8 to 12 inches. Winds gusting as high as 40 mph. * WHERE...Yellowstone National Park. * WHEN...From 11 AM Sunday to 11 AM MST Monday. * IMPACTS...Travel will be difficult, especially in the backcountry. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. 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.