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Home Return to list Winter Weather Advisory 0039 Issued by the Riverton Forecast Office
Action: New Issued At: 2025-12-24 02:15:40 560 WWUS45 KRIW 240815 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 115 AM MST Wed Dec 24 2025 WYZ012-014-250000- /O.NEW.KRIW.WW.Y.0039.251225T0600Z-251226T0000Z/ Teton and Gros Ventre Mountains-Wind River Mountains West- 115 AM MST Wed Dec 24 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 12 inches. Winds gusting as high as 45 mph. * WHERE...Wind River Mountains West and Teton and Gros Ventre Mountains. * WHEN...From 11 PM this evening to 5 PM MST Thursday. * IMPACTS...Travel could be difficult, including over Teton and Togwotee Passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. 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 . && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Hattings Action: Continued Issued At: 2025-12-24 13:17:20 343 WWUS45 KRIW 241916 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 1216 PM MST Wed Dec 24 2025 WYZ012-014-251415- /O.CON.KRIW.WW.Y.0039.251225T0600Z-251226T0000Z/ Teton and Gros Ventre Mountains-Wind River Mountains West- 1216 PM MST Wed Dec 24 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 12 inches. Winds gusting as high as 50 mph. * WHERE...Wind River Mountains West and Teton and Gros Ventre Mountains. * WHEN...From 11 PM this evening to 5 PM MST Thursday. * IMPACTS...Travel could be difficult, including over Teton and Togwotee Passes. * ADDITIONAL DETAILS...Snow levels will generally be 8500 to 9000 feet Wednesday night, dropping to around 7000 feet for Thursday afternoon. Sharp drops in snow amounts are expected at and below snow levels. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Wittmann Action: Continued Issued At: 2025-12-25 03:19:10 724 WWUS45 KRIW 250919 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 219 AM MST Thu Dec 25 2025 WYZ012-014-260000- /O.CON.KRIW.WW.Y.0039.000000T0000Z-251226T0000Z/ Teton and Gros Ventre Mountains-Wind River Mountains West- 219 AM MST Thu Dec 25 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Snow. Additional snow accumulations of 4 to 8 inches. Winds gusting as high as 45 mph. * WHERE...Wind River Mountains West and Teton and Gros Ventre Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be difficult, including over Teton and Togwotee Passes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. 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 . && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Hattings Action: Cancelled Issued At: 2025-12-25 13:06:19 139 WWUS45 KRIW 251906 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 1206 PM MST Thu Dec 25 2025 WYZ012-014-252015- /O.CAN.KRIW.WW.Y.0039.000000T0000Z-251226T0000Z/ Teton and Gros Ventre Mountains-Wind River Mountains West- 1206 PM MST Thu Dec 25 2025 ...WINTER WEATHER ADVISORY IS CANCELLED... The majority of snow has ended, with isolated snow showers through the rest of today. $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Wittmann | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||