Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
133 AM MST Wed Dec 3 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
133 AM MST Wed Dec 3 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MST EARLY
THIS MORNING...
* WHAT...Snow. Additional snow accumulations of 2 to 4 inches.
* WHERE...In South Dakota, Northern Black Hills. In Wyoming, Wyoming
Black Hills.
* WHEN...Until 6 AM MST early this morning.
* 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.
&&
$$
Helgeson
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
1057 PM MST Tue Dec 2 2025
MTZ036-037-057-058-138-031200-
/O.CON.KBYZ.WW.Y.0038.000000T0000Z-251203T1200Z/
Powder River-Carter-Northern Big Horn-Southern Rosebud-Southern
Big Horn-
Including the locations of Biddle, Birney, Sonnette, Wyola, Lodge
Grass, Ekalaka, Powderville, Ashland, Alzada, Broadus, Lame Deer,
Pryor, Belltower, Hardin, Busby, Crow Agency, and Hammond
1057 PM MST Tue Dec 2 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...
* WHAT...Periods of snow. Additional snow accumulations up to one
inch, greatest over the higher hills. Winds gusting as high as 30
mph.
* WHERE...Northern Big Horn, Southern Big Horn, Carter, Powder River,
and Southern Rosebud.
* WHEN...Until 5 AM MST Wednesday.
* IMPACTS...Plan on slippery road conditions.
* ADDITIONAL DETAILS...Wintry conditions will impact portions of
Interstate 90 and Highway 212. Wet or slushy surfaces will likely
freeze tonight.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.
&&
$$
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.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
450 AM CST Wed Dec 3 2025
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-041100-
Lyon-Osceola-Dickinson-Sioux-O`Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Dixon-Dakota-Beadle-Kingsbury-Brookings-Gregory-
Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-
Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Bon Homme-Yankton-
Union-
450 AM CST Wed Dec 3 2025
This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, northeast Nebraska, central South
Dakota, east central South Dakota, south central South Dakota and
southeast South Dakota.
.DAY ONE...Today and tonight.
Lingering precipitation, including flurries, comes to an end mid
morning. Be prepared for isolated slick spots especially on elevated
or untreated surfaces.
Cold wind chills as low as 25 below expected tonight.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Below normal temperatures continue through the week with wind chills
below zero at times, mainly overnight. The coldest wind chills
expected Thursday morning with values as low as 25 below zero.
Details remain uncertain, but additional snow chances continue into
the weekend and early next week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Aberdeen SD
433 AM CST Wed Dec 3 2025
MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-041045-
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-
433 AM CST Wed Dec 3 2025 /333 AM 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...Today and tonight.
Very cold wind chill values tonight of 15 below to 25 below zero,
mainly northern and eastern South Dakota into west central Minnesota.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Wind chill values from 15 below to 25 below zero across northeast
South Dakota and west central Minnesota during the morning hours.
Downslope winds from the southwest expected across the Coteau region
on Thursday, with gusts in excess of 40 mph possible. Areas of
blowing/drifting snow are possible.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
TMT
Hazardous Weather Outlook
National Weather Service Cheyenne WY
256 AM MST Wed Dec 3 2025
NEZ002-003-019>021-054-055-095-096-WYZ101>119-041000-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
256 AM MST Wed Dec 3 2025
This hazardous weather outlook is for portions of panhandle
Nebraska...east central Wyoming...south central Wyoming and
southeast Wyoming.
.DAY ONE...WEDNESDAY
- Another round of light snow will move through the area tonight
through Wednesday morning.
- Most areas can expect between a dusting and an inch of snow,
but a few inches will be possible between Rawlins and
Cheyenne.
.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH MONDAY
- Long term remains active with multiple systems promoting
prolonged periods of high winds, light snow and cold but
steadily warming temperatures.
.Spotter information statement...
Spotters are encouraged to report snowfall totals to the NWS.
$$
Hazardous Weather Outlook
National Weather Service North Platte NE
346 AM CST Wed Dec 3 2025
NEZ004>010-022>029-035>038-056>059-069>071-094-041000-
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-
346 AM CST Wed Dec 3 2025 /246 AM MST Wed Dec 3 2025/
This Hazardous Weather Outlook is for portions of western and north
central Nebraska.
.DAY ONE...Today and tonight.
Early Wednesday morning, light precipitation in the form of snow or a
wintry mix remains possible favoring northern Nebraska. Little to no
accumulations are expected.
Late tonight, temperatures fall into the single digits to near zero
across much of central Nebraska. Wind chills in the zero to ten
below zero range are possible for areas east of Highway 83.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
The probability for widespread hazardous weather is low.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Riverton WY
129 AM MST Wed Dec 3 2025
WYZ001>020-022>030-041230-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
129 AM MST Wed Dec 3 2025
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and Tonight.
Areas of blowing snow possible across Interstate 80 through the
morning, as winds subside.
Winds gusts of 35 to 50 mph will be possible late tonight north of
Cody and the Upper Wind River Basin.
Areas of fog will develop over portions of Yellowstone NP tonight,
and possibly spreading into northern portions of the Jackson Valley.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday through Saturday night...Periods of snow will begin over
northwestern portions Thursday afternoon and spreading to far western
portions Thursday night. A break in the snow is possible Friday
afternoon, before starting again Friday night and ending late
Saturday night. Snowfall amounts of 1 to 2 feet is possible in the
western mountains and amounts approaching 12 inches in the
Jackson/Star Valleys over this 3 day period.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
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
$$
Hazardous Weather Outlook
National Weather Service Rapid City SD
410 AM MST Tue Dec 2 2025
WYZ054-056-031300-
Northern Campbell-Western Crook-
410 AM MST Tue Dec 2 2025
This Hazardous Weather Outlook is for portions of northeast
Wyoming.
.DAY ONE...Today and Tonight
Light snow will occur, especially tonight. Around an inch or two
of snow accumulation is expected, especially near the Montana
border.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today.
&&
Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity
$$
