Winter Storm Warning

Full Alert Message

URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 426 PM MDT Thu Apr 17 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT FRIDAY... * WHAT...Heavy snow. Additional snow accumulations between 12 and 20 inches. Northerly wind frequently gusting 25 to 35 mph through Thursday evening. * WHERE...Wind River Mountains East. * WHEN...Until noon MDT Friday. * IMPACTS...Travel could be very difficult, especially across South Pass. Widespread blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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.