Winter Storm Watch
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
133 PM MST Wed Dec 3 2025
MTZ301-307-327-041200-
/O.NEW.KTFX.WS.A.0018.251205T1200Z-251207T0000Z/
East Glacier Park Region-Southern Rocky Mountain Front-Northwest
Beaverhead County-
Including the following locations: Babb, Saint Mary, East Glacier
Park, Big Hole Pass, Wisdom, Dewey, Logan Pass, Rogers Pass,
Chief Joseph Pass, Wise River, Marias Pass, and Kiowa
133 PM MST Wed Dec 3 2025
...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH
SATURDAY AFTERNOON...
* WHAT...Heavy snow possible. Total snow accumulations between 6 and
12 inches possible. Winds could gust as high as 40 mph.
* WHERE...The Continental Divide along the Rocky Mountain Front, and
Northwest Beaverhead County.
* WHEN...From late Thursday night through Saturday afternoon.
* 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.
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.
&&
$$
Glinskas
URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
133 PM MST Wed Dec 3 2025
MTZ317-320-330-041200-
/O.NEW.KTFX.WS.A.0018.251205T0000Z-251206T1200Z/
Little Belt and Highwood Mountains-Big Belt, Bridger and Castle
Mountains-Gallatin and Madison County Mountains and Centennial
Mountains-
Including the following locations: Big Sky, Trident, West
Yellowstone, Raynolds Pass, Maudlow, Deep Creek Pass, Neihart,
Monarch, Targhee Pass, Kings Hill Pass, Battle Ridge Pass, and
Bozeman Pass
133 PM MST Wed Dec 3 2025
...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...
* WHAT...Heavy snow possible. Total snow accumulations between 6 and
12 inches possible. Winds could gust as high as 40 mph.
* WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and
Highwood Mountains, and Gallatin and Madison County Mountains and
Centennial Mountains.
* WHEN...From Thursday afternoon through late Friday night.
* IMPACTS...Travel could be very difficult and tire chains may be
required for some vehicles. Those in the backcountry should ensure
they are prepared for dangerous conditions.
* ADDITIONAL DETAILS...Significant travel impacts to the Thursday
and Friday commutes are possible for Bozeman Pass and along
Highway 191 south of Bozeman.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts for updates on this situation.
Remember, a Winter Storm Watch means that there is at least a 50%
chance of impactful winter weather conditions during the watch
period.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Missoula MT
126 PM MST Wed Dec 3 2025
IDZ005-006-MTZ002-004-006-043-051200-
/O.NEW.KMSO.WS.A.0010.251205T1200Z-251207T0000Z/
Northern Clearwater Mountains-Southern Clearwater Mountains-West
Glacier Region-Lower Clark Fork Region-Bitterroot/Sapphire
Mountains-Potomac/Seeley Lake Region-
126 PM MST Wed Dec 3 2025 /1226 PM PST Wed Dec 3 2025/
...WINTER STORM WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH
SATURDAY AFTERNOON...
* WHAT...Heavy mixed precipitation possible. There is a chance of
moderate to major winter weather impacts. Total snow accumulations
of 3 to 7 inches along valley bottoms, 7 to 15 inches at mountain
pass level, and 24 to 36 inches along mountain crests. Ice
accumulations around a light glaze possible.
* WHERE...In IDAHO, Northern Clearwater Mountains and Southern
Clearwater Mountains. In MONTANA, West Glacier Region,
Bitterroot/Sapphire Mountains, Lower Clark Fork Region, and
Potomac/Seeley Lake Region.
* WHEN...From late Thursday night through Saturday afternoon.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Friday morning and evening
commutes, especially over higher passes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts for updates on this situation.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Pocatello ID
1259 PM MST Wed Dec 3 2025
IDZ058>066-042000-
/O.CON.KPIH.WS.A.0006.251205T0000Z-251206T1200Z/
Marsh and Arbon Highlands-Franklin/Eastern Oneida Region-Bear
River Range-Bear Lake Valley-Blackfoot Mountains-Caribou Range-
Big Hole Mountains-Teton Valley-Centennial Mountains - Island
Park-
Including the cities of Kilgore, Malad, Preston, Bone,
Montpelier, Henry, Victor, Grace, Inkom, Driggs, Thatcher, Lava
Hot Springs, Georgetown, Swan Valley, Island Park, Ashton,
Emigration Summit, Downey, St. Charles, McCammon, Wayan, Tetonia,
and Soda Springs
1259 PM MST Wed Dec 3 2025
...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH LATE FRIDAY NIGHT...
* WHAT...Heavy snow possible. Total snow accumulations between 8 and
14 inches in the mountains and 4 to 8 inches in the valleys
possible. Winds could gust as high as 35 mph.
* WHERE...Big Hole Mountains, Centennial Mountains - Island Park,
Teton Valley, Bear Lake Valley, Bear River Range, Blackfoot
Mountains, Caribou Range, Franklin/Eastern Oneida Region, and
Marsh and Arbon Highlands.
* WHEN...From Thursday afternoon through late Friday night.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Friday morning and evening
commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts for updates on this situation.
&&
$$
Visit weather.gov/pocatello for more information.
GK
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.
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/riw/ .
Dziewaltowski
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Aberdeen SD
228 PM CST Wed Dec 3 2025
MNZ039-046-SDZ003>006-009-010-015>019-033>037-045-048-051-042030-
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Walworth-Edmunds-
Dewey-Potter-Faulk-Spink-Clark-Stanley-Sully-Hughes-Hyde-Hand-Jones-
Lyman-Buffalo-
228 PM CST Wed Dec 3 2025 /128 PM MST Wed Dec 3 2025/
This Hazardous Weather Outlook is for west central Minnesota,
central South Dakota, north central South Dakota and northeast
South Dakota.
.DAY ONE...This afternoon and tonight.
Very cold wind chill values tonight ranging in the teens to twenties
below zero. The coldest wind chills will be in the James Valley
and eastward into west central MN.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Rapid City SD
1019 AM MST Wed Dec 3 2025
SDZ001-002-012>014-024>032-041>044-046-047-049-072>078-WYZ054>060-
041400-
Harding-Northern Perkins-Butte-Northern Meade Co Plains-Ziebach-
Northern Black Hills-Northern Foothills-Rapid City-
Southern Foothills-Central Black Hills-Southern Black Hills-
Custer Co Plains-Pennington Co Plains-Haakon-Western Fall River-
Northern Oglala Lakota-Northern Jackson-Bennett-Mellette-Todd-
Tripp-Sturgis/Piedmont Foothills-Southern Meade Co Plains-
Hermosa Foothills-Eastern Fall River-Southern Oglala Lakota-
Southern Jackson-Southern Perkins-Northern Campbell-
Southern Campbell-Western Crook-Wyoming Black Hills-
Weston County Plains-Newcastle-Northeastern Crook-
1019 AM MST Wed Dec 3 2025 /1119 AM CST Wed Dec 3 2025/
This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.
.DAY ONE...Today and Tonight
Leftover light snow will taper off this morning and afternoon
with minor additional accumulation.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday
Periodic bouts of light snow are expected through the weekend.
The best chance for snow accumulation will be over the northern
Black Hills.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today.
&&
Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity
$$
Hazardous Weather Outlook
National Weather Service Riverton WY
129 AM MST Wed Dec 3 2025
WYZ001>020-022>030-041230-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
129 AM MST Wed Dec 3 2025
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and Tonight.
Areas of blowing snow possible across Interstate 80 through the
morning, as winds subside.
Winds gusts of 35 to 50 mph will be possible late tonight north of
Cody and the Upper Wind River Basin.
Areas of fog will develop over portions of Yellowstone NP tonight,
and possibly spreading into northern portions of the Jackson Valley.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday through Saturday night...Periods of snow will begin over
northwestern portions Thursday afternoon and spreading to far western
portions Thursday night. A break in the snow is possible Friday
afternoon, before starting again Friday night and ending late
Saturday night. Snowfall amounts of 1 to 2 feet is possible in the
western mountains and amounts approaching 12 inches in the
Jackson/Star Valleys over this 3 day period.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
