Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Grand Junction CO
438 AM MST Mon Dec 8 2025
COZ001>014-017>023-UTZ022>025-027>029-091145-
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-
438 AM MST Mon Dec 8 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.
Light snow accumulations are possible over the northern and central
mountains. Winter driving conditions over the mountain can be
expected during the morning hours with improvement this afternoon as
the snow tapers off.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
The northern and portions of the central Colorado mountains are
likely to see additional periods of light snow showers through the
week as moisture continues to brush the Central Rockies. Be prepared
for impacts to travel over the Rabbit Ears and Vail Passes at times.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Riverton WY
315 AM MST Mon Dec 8 2025
WYZ001>020-022>030-091400-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-
Southeast Bighorn Basin-Owl Creek and Bridger Mountains-
Bighorn Mountains West-Bighorn Mountains Southeast-
Northeast Johnson County-Southeast Johnson County-
Teton and Gros Ventre Mountains-Jackson Hole-
Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
315 AM MST Mon Dec 8 2025
...Winter Storm Watches and Warnings in effect for most of the
western mountains tonight through Wednesday...
...High Wind Warning in effect across southern Wyoming and Natrona
County from late tonight through Wednesday night...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and Tonight.
Mainly light snow in the mountains. Heavier snow moving back into
the northern mountains tonight. Please see Winter Weather Products
and forecasts for details.
Strong to high wind developing from Kemmerer through Rock Springs
and into Natrona County. Please see High Wind Warnings for
details.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Tuesday and Wednesday...Snow likely in the western and northern
mountains. Strong to high wind continuing in southern Wyoming.
Thursday night and Friday...Another chance for snow in the
northern mountains.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$