Hazardous Weather Outlook
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.
$$
Hazardous Weather Outlook
National Weather Service Riverton WY
110 AM MST Tue Dec 2 2025
WYZ001>020-022>030-031215-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
110 AM MST Tue Dec 2 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST
TONIGHT...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and Tonight.
Snow continuing over western portions, with the heavier
snow occurring over the Tetons. Isolated snow showers will be
possible east of the Divide, with chances increasing in the evening
as a cold front progresses southward. Accumulations for most
locations in the lower elevations will stay light (2 inches or less).
The exception will be the Star Valley, where 2 to 3 inches are
expected.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Thursday Night and Friday...A fast moving cold front will bring snow
across areas east of the Divide and western portions.
Friday and Saturday...Another chance of snow for much of the area,
with western portions likely to have the best chances.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
