Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
130 AM MST Tue Dec 2 2025
SDZ024-WYZ057-022330-
/O.NEW.KUNR.WW.Y.0017.251202T1900Z-251203T1300Z/
Northern Black Hills-Wyoming Black Hills-
Including the cities of Rochford, Mystic, Sundance, Deerfield,
Silver City, Terry Peak, Brownsville, Galena, Four Corners,
Cheyenne Crossing, Lead, Deadwood, and Nemo
130 AM MST Tue Dec 2 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 6 AM MST
WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations 3 to locally 7
inches with the highest snowfall rates tonight, especially over
the higher elevations.
* WHERE...In South Dakota, Northern Black Hills. In Wyoming, Wyoming
Black Hills.
* WHEN...From noon today to 6 AM MST Wednesday.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Plan on slippery road
conditions. The hazardous conditions could impact the Tuesday
evening commute.
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.
&&
$$
Helgeson
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
217 PM MST Mon Dec 1 2025
MTZ036-037-057-058-138-022130-
/O.NEW.KBYZ.WW.Y.0038.251202T1200Z-251203T1200Z/
Powder River-Carter-Northern Big Horn-Southern Rosebud-Southern
Big Horn-
Including the locations of Busby, Hardin, Birney, Lodge Grass, Crow
Agency, Broadus, Lame Deer, Pryor, Belltower, Alzada, Hammond,
Powderville, Ashland, Biddle, Sonnette, Ekalaka, and Wyola
217 PM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TUESDAY TO 5 AM MST
WEDNESDAY...
* WHAT...Periods of snow expected. Total snow accumulations up to 4
inches, greatest over the higher hills. Locally higher totals in
the Wolf Mountains. Winds gusting as high as 30 mph.
* WHERE...Northern Big Horn, Southern Big Horn, Carter, Powder River,
and Southern Rosebud.
* WHEN...From 5 AM Tuesday to 5 AM MST Wednesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions will impact the Tuesday morning and evening commutes.
* ADDITIONAL DETAILS...Wet or slushy surfaces will likely freeze
Tuesday evening.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
217 PM MST Mon Dec 1 2025
MTZ169-WYZ199-022130-
/O.NEW.KBYZ.WW.Y.0038.251203T0000Z-251203T1200Z/
Bighorn Canyon-Sheridan Foothills-
Including the locations of Clearmont, Fort Smith, Big Horn, Dayton,
Ranchester, and Sheridan
217 PM MST Mon Dec 1 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM TUESDAY TO 5 AM MST
WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations up to 3 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...From 5 PM Tuesday to 5 AM MST Wednesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions will impact the Tuesday evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. For the latest road
conditions, call 5 1 1.
&&
$$
Additional graphics for this hazard can be found at
http://www.weather.gov/billings
Palmquist
Special Weather Statement
Special Weather Statement
National Weather Service Aberdeen SD
200 AM CST Tue Dec 2 2025
SDZ003-004-009-015-016-033>036-048-051-021200-
Corson-Campbell-Walworth-Dewey-Potter-Stanley-Sully-Hughes-Hyde-
Lyman-Buffalo-
Including the cities of McIntosh, Herreid, Mobridge, Isabel,
Gettysburg, Fort Pierre, Onida, Pierre, Highmore, Kennebec,
and Fort Thompson
200 AM CST Tue Dec 2 2025 /100 AM MST Tue Dec 2 2025/
..POCKETS OF DENSE FOG NEAR THE MISSOURI RIVER...
Pockets of dense fog will continue through the early this morning
hours. Visibility may be reduced to around a quarter mile at
times. Those traveling this morning should be prepared for rapidly
changing visibility and reduced travel speeds, especially near
the Missouri River. Plan extra time to get to your destination.
The combination of temperatures below freezing and dense fog could
result in light icing on vehicles, roads, and sidewalks.
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Cheyenne WY
303 AM MST Tue Dec 2 2025
NEZ002-003-019>021-054-055-095-096-WYZ101>119-031015-
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-
303 AM 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...TODAY AND TONIGHT
- A High Wind Warning has been issued for the wind prone areas
of southeast Wyoming beginning Monday evening and continuing
through noon Tuesday.
- A Winter Weather Advisory has been issued for the Sierra-Madre
and Snowy ranges for Tuesday morning through Wednesday
morning.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
- Long term remains active with multiple systems promoting
prolonged periods of high winds, light snow and cold
temperatures.
.Spotter information statement...
Spotter are encouraged to report snowfall totals to the NWS.
$$
Hazardous Weather Outlook
National Weather Service Riverton WY
110 AM MST Tue Dec 2 2025
WYZ001>020-022>030-031215-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
110 AM MST Tue Dec 2 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST
TONIGHT...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and Tonight.
Snow continuing over western portions, with the heavier
snow occurring over the Tetons. Isolated snow showers will be
possible east of the Divide, with chances increasing in the evening
as a cold front progresses southward. Accumulations for most
locations in the lower elevations will stay light (2 inches or less).
The exception will be the Star Valley, where 2 to 3 inches are
expected.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Thursday Night and Friday...A fast moving cold front will bring snow
across areas east of the Divide and western portions.
Friday and Saturday...Another chance of snow for much of the area,
with western portions likely to have the best chances.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
1040 PM CST Mon Dec 1 2025
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-030445-
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-
1040 PM CST Mon Dec 1 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.
Pockets of freezing fog will be possible tonight mainly east of
highway-81. Be prepared for rapid changes in visibility and a few
patchy slick spots on untreated surfaces.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Light snow could return from late Tuesday afternoon into Tuesday
night. However, any accumulations and impacts are expected to be
minor.
Below normal temperatures will continue throughout the week with
wind chills below zero at times, mainly overnight. The coldest wind
chills are expected between Wednesday night and Thursday morning
with
values as low as 25 below zero expected.
Details remain uncertain, but additional snow chances will continue
into the weekend and early next week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service North Platte NE
308 PM CST Mon Dec 1 2025
NEZ004>010-022>029-035>038-056>059-069>071-094-022115-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-Grant-
Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-Logan-
Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
308 PM CST Mon Dec 1 2025 /208 PM MST Mon Dec 1 2025/
This Hazardous Weather Outlook is for portions of western and north
central Nebraska.
.DAY ONE...Tonight.
No hazardous weather is expected.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Near zero wind chills are expected again Thursday morning across
much of western and north central Nebraska.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
