Winter Storm Watch
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.
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/riw/ .
Dziewaltowski
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
133 PM MST Wed Dec 3 2025
MTZ317-320-330-041200-
/O.NEW.KTFX.WS.A.0018.251205T0000Z-251206T1200Z/
Little Belt and Highwood Mountains-Big Belt, Bridger and Castle
Mountains-Gallatin and Madison County Mountains and Centennial
Mountains-
Including the following locations: Big Sky, Trident, West
Yellowstone, Raynolds Pass, Maudlow, Deep Creek Pass, Neihart,
Monarch, Targhee Pass, Kings Hill Pass, Battle Ridge Pass, and
Bozeman Pass
133 PM MST Wed Dec 3 2025
...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...
* WHAT...Heavy snow possible. Total snow accumulations between 6 and
12 inches possible. Winds could gust as high as 40 mph.
* WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and
Highwood Mountains, and Gallatin and Madison County Mountains and
Centennial Mountains.
* WHEN...From Thursday afternoon through late Friday night.
* IMPACTS...Travel could be very difficult and tire chains may be
required for some vehicles. Those in the backcountry should ensure
they are prepared for dangerous conditions.
* ADDITIONAL DETAILS...Significant travel impacts to the Thursday
and Friday commutes are possible for Bozeman Pass and along
Highway 191 south of Bozeman.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts for updates on this situation.
Remember, a Winter Storm Watch means that there is at least a 50%
chance of impactful winter weather conditions during the watch
period.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
102 PM MST Wed Dec 3 2025
UTZ108-041230-
/O.NEW.KSLC.WS.A.0006.251205T0900Z-251207T1200Z/
Wasatch Back-
Including the following locations - Heber City, Huntsville, and
Park City
102 PM MST Wed Dec 3 2025
...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH
LATE SATURDAY NIGHT...
* WHAT...Heavy snow possible. Total snow accumulations between 6 and
12 inches across the Ogden Valley and Park City, and between 2 and
6 inches for the lower elevation portions of the Wasatch Back.
* WHERE...Wasatch Back.
* WHEN...From late Thursday night through late Saturday night.
* IMPACTS...Travel could be very difficult at times. The hazardous
conditions could impact the Friday morning and evening commutes.
* ADDITIONAL DETAILS...The lowest snow levels will occur Friday
morning around 4000 feet and gradually rise to 6000 feet by
Saturday afternoon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts for updates on this situation.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
102 PM MST Wed Dec 3 2025
UTZ110>112-041230-
/O.NEW.KSLC.WS.A.0006.251205T0900Z-251207T1200Z/
Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-
Western Uinta Mountains-
Including the following locations - Mirror Lake Highway,
Brighton, Alta, Moon Lake, Mantua, and Logan Summit
102 PM MST Wed Dec 3 2025
...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH
LATE SATURDAY NIGHT...
* WHAT...Heavy snow possible. Total snow accumulations between 1 to
2 feet, locally up to 30 inches, for the Bear River Range, Ogden
area mountains, and upper Cottonwoods. Total snow accumulations of
8 to 18 inches for the western Uintas.
* WHERE...The Wasatch Mountains, and Western Uinta Mountains.
* WHEN...From late Thursday night through late Saturday night.
* IMPACTS...Travel could be very difficult at times. Traction law
restrictions may be enacted.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts for updates on this situation.
&&
$$
For more information from the National Weather Service visit
https://weather.gov/saltlakecity.
For information on potential travel impacts visit
http://udottraffic.utah.gov
HM
URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
1259 PM MST Wed Dec 3 2025
IDZ058>066-042000-
/O.CON.KPIH.WS.A.0006.251205T0000Z-251206T1200Z/
Marsh and Arbon Highlands-Franklin/Eastern Oneida Region-Bear
River Range-Bear Lake Valley-Blackfoot Mountains-Caribou Range-
Big Hole Mountains-Teton Valley-Centennial Mountains - Island
Park-
Including the cities of Kilgore, Malad, Preston, Bone,
Montpelier, Henry, Victor, Grace, Inkom, Driggs, Thatcher, Lava
Hot Springs, Georgetown, Swan Valley, Island Park, Ashton,
Emigration Summit, Downey, St. Charles, McCammon, Wayan, Tetonia,
and Soda Springs
1259 PM MST Wed Dec 3 2025
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH LATE FRIDAY NIGHT...
* WHAT...Heavy snow possible. Total snow accumulations between 8 and
14 inches in the mountains and 4 to 8 inches in the valleys
possible. Winds could gust as high as 35 mph.
* WHERE...Big Hole Mountains, Centennial Mountains - Island Park,
Teton Valley, Bear Lake Valley, Bear River Range, Blackfoot
Mountains, Caribou Range, Franklin/Eastern Oneida Region, and
Marsh and Arbon Highlands.
* WHEN...From Thursday afternoon through late Friday night.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Friday morning and evening
commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts for updates on this situation.
&&
$$
Visit weather.gov/pocatello for more information.
GK
