2 products issued by NWS for:
Hazardous Weather Outlook
Hazardous Weather Outlook...CORRECTED National Weather Service Riverton WY 254 AM MST Fri Dec 5 2025 WYZ001>020-022>030-061400- Yellowstone National Park-Absaroka Mountains-Cody Foothills- North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin- Owl Creek and Bridger Mountains-Bighorn Mountains West- Bighorn Mountains Southeast-Northeast Johnson County- Southeast Johnson County-Teton and Gros Ventre Mountains- Jackson Hole-Wind River Mountains West-Wind River Mountains East- Upper Wind River Basin-Wind River Basin-Lander Foothills- Green Mountains and Rattlesnake Range- Natrona County Lower Elevations-Casper Mountain-Star Valley- Salt River and Wyoming Ranges-Upper Green River Basin Foothills- Upper Green River Basin-South Lincoln County- Rock Springs and Green River-Flaming Gorge-East Sweetwater County- 254 AM MST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT FOR THE TETON AND GROS VENTRE MOUNTAINS AND THE SALT RIVER AND WYOMING RANGES UNTIL 2 PM MST SATURDAY... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FOR YELLOWSTONE NATIONAL PARK AND THE ABSAROKA MOUNTAINS UNTIL 2 PM MST SATURDAY... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FOR THE BIGHORN MOUNTAINS WEST UNTIL 2 PM MST SATURDAY... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FOR THE UPPER GREEN RIVER BASIN FOOTHILLS AND WIND RIVER MOUNTAINS WEST UNTIL 2 PM MST SATURDAY... ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FOR JACKSON HOLE AND STAR VALLEY UNTIL 2 PM MST SATURDAY... This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...Today and tonight. Moderate to heavy snow this afternoon through the overnight hours across the Western Mountains, Jackson and Star Valleys, the Upper Green River Basin, and the northern portions of the western Bighorns. Gusty winds combined with heavy snow could cause reduced visibilities and hazardous travel. Widespread breezy to gusty winds across much of the area this afternoon, with gusts up to 30 mph across the Wind Corridor, the Absarokas, and eastern Wind River Mountains. Wind gusts of 40 to 50 mph are expected after sunset across the western mountains, the Wind Corridor, and the Wind River Basin. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Saturday...Light snow across western Wyoming and the western Bighorns. Gusty across the area. Wind gusts of 40 to 50 mph across the western mountains, northern Johnson County, the Wind River Basin, and southern Wyoming. Gusts of 60 mph are possible in wind prone locations, especially Sweetwater County. Sunday through Thursday...Multiple chances for snow across western Wyoming and widespread breezy to gusty winds. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures. $$
Winter Storm Warning
URGENT - WINTER WEATHER MESSAGE National Weather Service Riverton WY 1244 AM MST Fri Dec 5 2025 WYZ012-024-052300- /O.CON.KRIW.WS.W.0012.000000T0000Z-251206T2100Z/ Teton and Gros Ventre Mountains-Salt River and Wyoming Ranges- 1244 AM MST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST SATURDAY... * WHAT...Heavy snow expected. Additional snow accumulations of 10 to 20 inches with the highest elevations seeing 2 to 3 feet. Gusty winds of 25 to 40 mph will be common. Higher elevations of the Salt River and Wyoming Ranges could gust above 45 mph. * WHERE...Teton and Gros Ventre Mountains and Salt River and Wyoming Ranges. * WHEN...Until 2 PM MST Saturday. * IMPACTS...Travel could be very difficult, especially over Teton, Togwotee, and Salt River Passes. The hazardous conditions could impact the Friday morning and evening commutes. * ADDITIONAL DETAILS...Snow is expected to lighten in intensity between 8AM and 2PM Friday, with accumulations generally between 1 and 5 inches. Moderate to heavy snowfall begins after 3PM Friday and continues through the overnight hours, this is when a bulk of the snow accumulations will occur. Gusty west winds of 25 to 40 mph, and possibly above 45 mph across higher elevations, occur after sunset Friday and continue into Saturday morning. Heavy snowfall and gusty winds could cause reduced visibility and drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter . For winter road conditions from the Wyoming Department of Transportation, visit https://wyoroad.info . && $$