Hazardous Weather Outlook
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.
$$
Hazardous Weather Outlook
National Weather Service Rapid City SD
410 AM MST Tue Dec 2 2025
SDZ024-WYZ057-031300-
Northern Black Hills-Wyoming Black Hills-
410 AM MST Tue Dec 2 2025
This Hazardous Weather Outlook is for portions of the Black Hills
of South Dakota...and the Black Hills of Wyoming.
.DAY ONE...Today and Tonight
A Winter Weather Advisory is in effect for this afternoon and
tonight. See WSWUNR for details.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today.
&&
Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity
$$
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
$$
Hazardous Weather Outlook
National Weather Service Cheyenne WY
303 AM MST Tue Dec 2 2025
NEZ002-003-019>021-054-055-095-096-WYZ101>119-031015-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
303 AM MST Tue Dec 2 2025
This hazardous weather outlook is for portions of panhandle
Nebraska...east central Wyoming...south central Wyoming and
southeast Wyoming.
.DAY ONE...TODAY AND TONIGHT
- A High Wind Warning has been issued for the wind prone areas
of southeast Wyoming beginning Monday evening and continuing
through noon Tuesday.
- A Winter Weather Advisory has been issued for the Sierra-Madre
and Snowy ranges for Tuesday morning through Wednesday
morning.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
- Long term remains active with multiple systems promoting
prolonged periods of high winds, light snow and cold
temperatures.
.Spotter information statement...
Spotter are encouraged to report snowfall totals to the NWS.
$$
Hazardous Weather Outlook
National Weather Service Grand Junction CO
237 AM MST Tue Dec 2 2025
COZ001>014-017>023-UTZ022>025-027>029-030945-
Lower Yampa River Basin-Central Yampa River Basin-
Roan and Tavaputs Plateaus-Elkhead and Park Mountains-
Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-Grand and Battlement Mesas-
Gore and Elk Mountains/Central Mountain Valleys-
Central Gunnison and Uncompahgre River Basin-
West Elk and Sawatch Mountains-Flat Tops-Upper Gunnison River Valley-
Uncompahgre Plateau and Dallas Divide-Northwest San Juan Mountains-
Southwest San Juan Mountains-Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
San Juan River Basin-Southeast Utah-Eastern Uinta Mountains-
Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat-
La Sal and Abajo Mountains-Canyonlands/Natural Bridges-
237 AM MST Tue Dec 2 2025
This Hazardous Weather Outlook is for northwest Colorado, southwest
Colorado, west central Colorado, east central Utah, northeast Utah
and southeast Utah.
.DAY ONE...Today and tonight.
Another frontal boundary settles into the region today. Light snow
showers will develop north to south this morning and into the
afternoon. Winter Weather Advisories are in place for the Park and
Elkhead Ranges, as well as areas west of Vail Pass and the northern
San Juans. Snow will continue through the evening and overnight hours
with persistent light accumulations. Mountain passes are expected to
be snow packed and slick this evening and into Wednesday morning.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Snow will taper off Wednesday afternoon, ending completely late
evening. Another disturbance comes into view this weekend with more
measurable snow favoring our northern mountains. Temperatures remain
on the cool side of climatology through the period.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected today or tonight, however
spotters are encouraged to report snowfall amounts to the
National Weather Service in Grand Junction.
$$
