Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
1057 PM MST Tue Dec 2 2025
MTZ036-037-057-058-138-031200-
/O.CON.KBYZ.WW.Y.0038.000000T0000Z-251203T1200Z/
Powder River-Carter-Northern Big Horn-Southern Rosebud-Southern
Big Horn-
Including the locations of Biddle, Birney, Sonnette, Wyola, Lodge
Grass, Ekalaka, Powderville, Ashland, Alzada, Broadus, Lame Deer,
Pryor, Belltower, Hardin, Busby, Crow Agency, and Hammond
1057 PM MST Tue Dec 2 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...
* WHAT...Periods of snow. Additional snow accumulations up to one
inch, greatest over the higher hills. Winds gusting as high as 30
mph.
* WHERE...Northern Big Horn, Southern Big Horn, Carter, Powder River,
and Southern Rosebud.
* WHEN...Until 5 AM MST Wednesday.
* IMPACTS...Plan on slippery road conditions.
* ADDITIONAL DETAILS...Wintry conditions will impact portions of
Interstate 90 and Highway 212. Wet or slushy surfaces will likely
freeze tonight.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
1057 PM MST Tue Dec 2 2025
MTZ169-WYZ199-031200-
/O.CON.KBYZ.WW.Y.0038.000000T0000Z-251203T1200Z/
Bighorn Canyon-Sheridan Foothills-
Including the locations of Sheridan, Big Horn, Dayton, Fort Smith,
Ranchester, and Clearmont
1057 PM MST Tue Dec 2 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...
* WHAT...Snow. Additional snow accumulations up to 2 inches, greatest
over the higher hills and near the Bighorn Mountains. Winds gusting
as high as 30 mph.
* WHERE...In Montana, Bighorn Canyon. In Wyoming, Sheridan Foothills.
* WHEN...Until 5 AM MST Wednesday.
* IMPACTS...Plan on slippery road conditions.
* ADDITIONAL DETAILS...Wet or slushy surfaces will likely freeze
tonight.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
1043 PM MST Tue Dec 2 2025
SDZ024-WYZ057-031300-
/O.CON.KUNR.WW.Y.0017.000000T0000Z-251203T1300Z/
Northern Black Hills-Wyoming Black Hills-
Including the cities of Deadwood, Four Corners, Cheyenne
Crossing, Mystic, Galena, Lead, Rochford, Nemo, Silver City,
Terry Peak, Brownsville, Sundance, and Deerfield
1043 PM MST Tue Dec 2 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MST
WEDNESDAY...
* WHAT...Snow. Additional snow accumulations of 2 to 5 inches.
* WHERE...In South Dakota, Northern Black Hills. In Wyoming, Wyoming
Black Hills.
* WHEN...Until 6 AM MST Wednesday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Plan on slippery road
conditions.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
Helgeson
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
1057 PM CST Tue Dec 2 2025
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-040500-
Lyon-Osceola-Dickinson-Sioux-O`Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Dixon-Dakota-Beadle-Kingsbury-Brookings-Gregory-
Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-
Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Bon Homme-Yankton-
Union-
1057 PM CST Tue Dec 2 2025
This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, northeast Nebraska, central South
Dakota, east central South Dakota, south central South Dakota and
southeast South Dakota.
.DAY ONE...Tonight.
Light mixed precipitation will continue this afternoon into
tonight. Any accumulations and impacts are expected to be minor.
The better chances will be near and north of I-90 and also parts
of south central SD.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Below normal temperatures continue throughout the week with wind
chills below zero at times, mainly overnight. The coldest wind
chillsare expected between Wednesday night and Thursday morning with
values as low as 25 below zero expected.
Details remain uncertain, but additional snow chances continue into
the weekend and early next week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Riverton WY
840 PM MST Tue Dec 2 2025
WYZ001>020-022>030-040745-
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-
840 PM MST Tue Dec 2 2025
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Tonight.
Light snow lingers across Teton Pass overnight. Isolated snow
showers will be possible east of the Divide, with chances increasing
in the evening as a cold front progresses southward. Accumulations
for most locations in the lower elevations will stay light (2 inches
or less).
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Thursday Night and Friday...A fast moving cold front will bring snow
across areas east of the Divide and western portions.
Friday and Saturday...Another chance of snow for much of the area,
with western portions likely to have the best chances.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
Hazardous Weather Outlook
National Weather Service Cheyenne WY
331 PM MST Tue Dec 2 2025
NEZ002-003-019>021-054-055-095-096-WYZ101>119-032245-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
331 PM MST Tue Dec 2 2025
This hazardous weather outlook is for portions of panhandle
Nebraska...east central Wyoming...south central Wyoming and
southeast Wyoming.
.DAY ONE...THIS AFTERNOON AND TONIGHT
- Another round of light snow will move through the area this
evening through Wednesday morning.
- Most areas can expect between a dusting and an inch of snow,
but a few inches will be possible between Rawlins and
Cheyenne.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
- Long term remains active with multiple systems promoting
prolonged periods of high winds, light snow and cold but
steadily warming temperatures.
.Spotter information statement...
Spotters are encouraged to report snow accumulation to the
National Weather Service in Cheyenne.
$$
Hazardous Weather Outlook
National Weather Service North Platte NE
320 PM CST Tue Dec 2 2025
NEZ004>010-022>029-035>038-056>059-069>071-094-032130-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-Grant-
Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-Logan-
Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
320 PM CST Tue Dec 2 2025 /220 PM MST Tue Dec 2 2025/
This Hazardous Weather Outlook is for portions of western and north
central Nebraska.
.DAY ONE...Tonight.
Precipitation chances increase across the Sandhills and northern
Nebraska behind a cold front set to move through the area tonight. A
light wintry mix will be possible, including some patchy freezing
drizzle. At this time, little to no snow accumulation is expected.
However, across northern Sheridan County, in and near the Pine Ridge,
could see around one inch of accumulation by Wednesday morning.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Sub-zero wind chills are likely for areas east of Highway 83
Wednesday night into early Thursday morning.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Taylor
Hazardous Weather Outlook
National Weather Service Aberdeen SD
513 AM CST Tue Dec 2 2025
MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-031115-
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-Roberts-
Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-Codington-Grant-
Hamlin-Deuel-Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
513 AM CST Tue Dec 2 2025 /413 AM MST Tue Dec 2 2025/
This Hazardous Weather Outlook is for west central Minnesota,
central South Dakota, north central South Dakota and northeast
South Dakota.
.DAY ONE...Today and tonight.
A clipper like system will move through the area today into tonight
will deliver a round of light snow to north central and northeast
South Dakota and a wintry mix to central South Dakota. This system
will generate some blustery northerly winds, including gusts up to 35
mph tonight into Wednesday that will produce subzero wind chills on
Wednesday.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Cold temperatures persist early Thursday with readings falling into
the teens below zero with wind chills as cold as 25 below zero in
portions of the James River valley and surrounding areas of
northeast South Dakota.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Rapid City SD
410 AM MST Tue Dec 2 2025
SDZ024-WYZ057-031300-
Northern Black Hills-Wyoming Black Hills-
410 AM MST Tue Dec 2 2025
This Hazardous Weather Outlook is for portions of the Black Hills
of South Dakota...and the Black Hills of Wyoming.
.DAY ONE...Today and Tonight
A Winter Weather Advisory is in effect for this afternoon and
tonight. See WSWUNR for details.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
No hazardous weather is expected at this time.
.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
$$
Hazardous Weather Outlook
National Weather Service Rapid City SD
410 AM MST Tue Dec 2 2025
WYZ054-056-031300-
Northern Campbell-Western Crook-
410 AM MST Tue Dec 2 2025
This Hazardous Weather Outlook is for portions of northeast
Wyoming.
.DAY ONE...Today and Tonight
Light snow will occur, especially tonight. Around an inch or two
of snow accumulation is expected, especially near the Montana
border.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today.
&&
Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity
$$
