Winter Storm Warning
URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
1059 AM MST Sat Dec 6 2025
UTZ113-117-070000-
/O.EXT.KSLC.WS.W.0007.000000T0000Z-251207T0000Z/
Wasatch Plateau/Book Cliffs-Central Mountains-
Including the following locations - Scofield, Cove Fort, Fish
Lake, Joes Valley, and Indian Canyon
1059 AM MST Sat Dec 6 2025
...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
* WHAT...Heavy snow. Additional snow accumulations 1 to 3 inches,
primarily in locations that do well in northwesterly flow.
* WHERE...Central Mountains and Wasatch Plateau/Book Cliffs.
* WHEN...Until 5 PM MST this afternoon.
* IMPACTS...Winter driving conditions are expected.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. For winter road conditions
from the Utah Department of Transportation, visit
http://www.udottraffic.utah.gov.
For graphical depictions of the snowfall forecast, including
Official NWS Forecast, High End Amount, and Low End Amount, visit
weather.gov/slc/winter.
&&
$$
For more information from the National Weather Service visit
https://weather.gov/saltlakecity.
For information on potential travel impacts visit
http://udottraffic.utah.gov
Church
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1251 AM MST Sat Dec 6 2025
WYZ012-024-062100-
/O.CON.KRIW.WS.W.0012.000000T0000Z-251206T2100Z/
Teton and Gros Ventre Mountains-Salt River and Wyoming Ranges-
1251 AM MST Sat Dec 6 2025
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS
AFTERNOON...
* WHAT...Heavy snow. Additional snow accumulations of 5 to 12
inches, with higher elevations seeing an additional 15 to 20
inches. Gusty winds of 30 to 45 mph will be common. Gusts of 60
mph are possible across the highest elevations.
* WHERE...Teton and Gros Ventre Mountains and Salt River and Wyoming
Ranges.
* WHEN...Until 2 PM MST this afternoon.
* IMPACTS...Travel could be very difficult, especially over Teton,
Togwotee, and Salt River Passes. The hazardous conditions could
impact travel through midday Saturday.
* ADDITIONAL DETAILS...Periods of moderate to heavy snow are
possible through Noon Saturday. Snow and gusty winds could cause
reduced visibilities and drifting snow.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .
&&
$$
Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1251 AM MST Sat Dec 6 2025
WYZ014-025-062100-
/O.CON.KRIW.WW.Y.0034.000000T0000Z-251206T2100Z/
Wind River Mountains West-Upper Green River Basin Foothills-
Including the cities of Pinedale
1251 AM MST Sat Dec 6 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THIS
AFTERNOON...
* WHAT...Snow expected. Additional snow accumulations of 1 to 4
inches from Bondurant/Hoback Junction to Pinedale and 8 to 15
inches in the mountains. Gusty winds of 20 to 35 mph possible
across the Upper Green River Basin and west Wind River Mountains,
and up to 50 mph across the highest elevations. Wind gusts around
45 mph over South Pass.
* WHERE...Wind River Mountains West and Upper Green River Basin
Foothills.
* WHEN...Until 2 PM MST this afternoon.
* IMPACTS...Travel could be difficult through Noon Saturday,
especially near Bondurant/Hoback Junction.
* ADDITIONAL DETAILS...Periods of moderate to heavy snow are
possible through Saturday morning. Snow and gusty winds could
cause reduced visibilities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/riw/ .
Gerhardt
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1251 AM MST Sat Dec 6 2025
WYZ013-023-062100-
/O.CON.KRIW.WW.Y.0034.000000T0000Z-251206T2100Z/
Jackson Hole-Star Valley-
Including the cities of Jackson, Afton, Alpine, Thayne, and Star
Valley Ranch
1251 AM MST Sat Dec 6 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THIS
AFTERNOON...
* WHAT...Snow expected. Additional snow accumulations of 1 to 4
inches possible, with locally high amounts up to 6 inches in the
foothill areas. Gusty winds of 20 to 25 mph.
* WHERE...Jackson Hole and Star Valley.
* WHEN...Until 2 PM MST this afternoon.
* IMPACTS...Plan on slippery road conditions and reduced
visibilities.
* ADDITIONAL DETAILS...Periods of moderate to heavy snow are
possible through Saturday morning. Snow and gusty winds could
cause reduced visibilities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Grand Junction CO
332 AM MST Sat Dec 6 2025
COZ001>014-017>023-UTZ022>025-027>029-071200-
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-
332 AM MST Sat Dec 6 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.
Moderate to heavy snow rates and strong winds will be impacting
travel across the northern and central Colorado high country.
Accumulating snow and gusts to 35 to 55 mph will create areas of
blowing and drifting snow. Lesser amounts are expected across the
southern mountains but some impact to travel over Highway 550 is
expected.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
The northern and portions of the central Colorado mountains are
likely to see additional periods of light to moderate snow showers
through the upcoming work week. Be prepared for impacts to travel
over these mountain passes at times.
.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
309 AM MST Sat Dec 6 2025
WYZ001>020-022>030-071415-
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-
309 AM MST Sat Dec 6 2025
...WINTER STORM WARNING REMAINS IN EFFECT FOR THE TETON AND GROS
VENTRE MOUNTAINS AND THE SALT RIVER AND WYOMING RANGES UNTIL 2 PM
MST THIS AFTERNOON...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FOR YELLOWSTONE NATIONAL
PARK, THE ABSAROKA MOUNTAINS, THE UPPER GREEN RIVER BASIN FOOTHILLS,
THE WIND RIVER MOUNTAINS WEST, JACKSON HOLE, AND STAR VALLEY UNTIL 2
PM MST THIS AFTERNOON...
...WINTER STORM WARNING REMAINS IN EFFECT FOR THE BIGHORN MOUNTAINS WEST
UNTIL 5 PM MST THIS AFTERNOON...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and tonight.
Periods of moderate to heavy snowfall are possible through the late
morning/early afternoon across the Western Mountains, Jackson and
Star Valleys, the Upper Green River Basin, and the western Bighorns.
Gusty winds combined with snow could cause reduced visibilities and
hazardous travel.
Wind gusts of 30 to 50 mph are expected, with isolated gusts above 60
mph possible, much of the day across the western mountains, the Wind
Corridor, and the Wind River Basin.
.DAYS TWO THROUGH SEVEN...Sunday through Friday.
Sunday through Thursday...Multiple chances for snow across western
Wyoming and widespread breezy to gusty winds.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
