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Home Return to list Winter Weather Advisory 0033 Issued by the Riverton Forecast Office
Action: New Issued At: 2025-12-01 01:21:39 228 WWUS45 KRIW 010721 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 1221 AM MST Mon Dec 1 2025 WYZ012-012300- /O.NEW.KRIW.WW.Y.0033.251202T0600Z-251203T0600Z/ Teton and Gros Ventre Mountains- 1221 AM MST Mon Dec 1 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM TONIGHT TO 11 PM MST TUESDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 10 inches over the Tetons. Winds gusting as high as 35 mph will occur with the snow. Accumulations between 2 and 6 inches elsewhere in the zone. Wind gusts of 25 to 35 mph will be more widespread across the zone Tuesday afternoon. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From 11 PM this evening to 11 PM MST Tuesday. * IMPACTS...Travel could be difficult, especially over Teton Pass. The hazardous conditions could impact the Tuesday morning and evening commutes. 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 . && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . TL Action: Continued Issued At: 2025-12-01 13:08:20 238 WWUS45 KRIW 011907 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 1207 PM MST Mon Dec 1 2025 WYZ012-021200- /O.CON.KRIW.WW.Y.0033.251202T0600Z-251203T0600Z/ Teton and Gros Ventre Mountains- 1207 PM MST Mon Dec 1 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 11 PM MST TUESDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 12 inches over the higher elevations of the Tetons. Other locations including the Gros Ventre Range may see total snow accumulations of 3 to 6 inches. Winds gusting as high as 35 mph will occur with the snow. The strongest winds are expected to occur during the morning hours Tuesday. * WHERE...Teton and Gros Ventre Mountains. * WHEN...From 11 PM MST Monday evening to 11 PM MST Tuesday. * IMPACTS...Travel could be difficult, especially over Teton Pass. The hazardous conditions could impact the Tuesday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter. For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info. && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Dziewaltowski Action: Continued Issued At: 2025-12-02 01:45:48 398 WWUS45 KRIW 020745 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 1245 AM MST Tue Dec 2 2025 WYZ012-030600- /O.CON.KRIW.WW.Y.0033.000000T0000Z-251203T0600Z/ Teton and Gros Ventre Mountains- 1245 AM MST Tue Dec 2 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST TONIGHT... * WHAT...Snow expected. Additional snow accumulations up to 6 inches over the Tetons. Accumulations between 1 and 3 inches elsewhere in the zone. Winds gusting as high as 35 mph will occur with the snow this morning, with winds decreasing through the afternoon. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel could be difficult, especially over Teton Pass. The hazardous conditions could impact the Tuesday morning and evening commutes. 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 . && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . TL Action: Continued Issued At: 2025-12-02 13:04:20 782 WWUS45 KRIW 021903 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 1203 PM MST Tue Dec 2 2025 WYZ012-030600- /O.CON.KRIW.WW.Y.0033.000000T0000Z-251203T0600Z/ Teton and Gros Ventre Mountains- 1203 PM MST Tue Dec 2 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS EVENING... * WHAT...Snow. Additional snow accumulations up to two inches. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Until 11 PM MST this evening. * IMPACTS...Travel could be difficult, especially over Teton Pass. The hazardous conditions could impact the Tuesday evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Dziewaltowski Action: Cancelled Issued At: 2025-12-02 21:38:33 856 WWUS45 KRIW 030338 WSWRIW URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 838 PM MST Tue Dec 2 2025 WYZ012-030445- /O.CAN.KRIW.WW.Y.0033.000000T0000Z-251203T0600Z/ Teton and Gros Ventre Mountains- 838 PM MST Tue Dec 2 2025 ...WINTER WEATHER ADVISORY IS CANCELLED... The threat has ended. Light snow showers still linger overnight with little accumulations expected across Teton Pass. $$ For more information from the National Weather Service, visit https://weather.gov/riw/ . Lowe | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||