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Home Return to list Winter Storm Watch 0009 Issued by the Riverton Forecast Office
Action: New Issued At: 2025-12-03 13:48:51 512 WWUS45 KRIW 031948 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 1248 PM MST Wed Dec 3 2025 WYZ012-024-041315- /O.NEW.KRIW.WS.A.0009.251205T0000Z-251206T2100Z/ Teton and Gros Ventre Mountains-Salt River and Wyoming Ranges- 1248 PM MST Wed Dec 3 2025 ...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH SATURDAY AFTERNOON... * WHAT...Heavy snow possible. Total snow accumulations of 10 to 16 inches across much of the area with the highest elevations seeing 2 to 3 feet of snow. Winds could gust as high as 40 mph. * WHERE...Teton and Gros Ventre Mountains and Salt River and Wyoming Ranges. * WHEN...From Thursday afternoon through Saturday afternoon. * IMPACTS...Travel could be very difficult over Teton and Togwotee Passes. The hazardous conditions could impact the morning and evening commutes Friday. * ADDITIONAL DETAILS...A brief lull in snowfall rates may occur during the day Friday with the heaviest snowfall likely to arrive for Friday night through Saturday morning. Gusty winds of 20 to 30 mph look to accompany the heavy snowfall which may create reduced visibility and drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Dziewaltowski Action: Upgraded Issued At: 2025-12-04 03:23:14 211 WWUS45 KRIW 040922 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 222 AM MST Thu Dec 4 2025 WYZ012-024-050000- /O.UPG.KRIW.WS.A.0009.251205T0000Z-251206T2100Z/ /O.NEW.KRIW.WS.W.0012.251205T0000Z-251206T2100Z/ Teton and Gros Ventre Mountains-Salt River and Wyoming Ranges- 222 AM MST Thu Dec 4 2025 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 2 PM MST SATURDAY... * WHAT...Heavy snow expected. Total snow accumulations of 12 to 20 inches across much of the area with the highest elevations seeing 2 to 3 feet. Gusty winds of 25 to 40 mph will be common. High elevations of the Salt River and Wyoming Ranges could gust above 45 mph. * WHERE...Teton and Gros Ventre Mountains and Salt River and Wyoming Ranges. * WHEN...From 5 PM this afternoon to 2 PM MST Saturday. * IMPACTS...Travel could be very difficult, especially over Teton, Togwotee, and Salt River Passes. The hazardous conditions could impact the Friday morning and evening commutes. * ADDITIONAL DETAILS...A brief lull in snowfall rates may occur during the day Friday with the heaviest snowfall likely to arrive Friday night through Saturday morning. Gusty winds of 20 to 30 mph look to accompany the heavy snowfall which may create reduced visibility and drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Gerhardt | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||