Winter Storm Watch

URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Junction CO
200 AM MST Thu Dec 4 2025

COZ010-013-042145-
/O.NEW.KGJT.WS.A.0006.251206T0000Z-251207T1500Z/
Gore and Elk Mountains/Central Mountain Valleys-Flat Tops-
Including the cities of Aspen, Snowmass, Vail, Vail Pass, Minturn,
Buford, and Trappers Lake
200 AM MST Thu Dec 4 2025

...WINTER STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SUNDAY
MORNING...

* WHAT...Heavy snow and blowing snow possible. Total snow
  accumulations between 5 and 14 inches possible. Winds could gust
  as high as 35 mph.

* WHERE...Flat Tops and Gore and Elk Mountains/Central Mountain
  Valleys.

* WHEN...From Friday evening through Sunday morning.

* IMPACTS...Roads, and especially bridges and overpasses, will
  likely become slick and hazardous. Travel could be very difficult
  to impossible. The hazardous conditions could impact the Friday
  evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

Persons should consider delaying all travel. If travel is absolutely
necessary, drive with extreme caution. Consider taking a winter
storm kit along with you, including such items as tire chains,
booster cables, flashlight, shovel, blankets and extra clothing.
Also take water, a first aid kit, and anything else that would help
you survive in case you become stranded.

&&

$$

15

URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Junction CO
200 AM MST Thu Dec 4 2025

COZ004-042145-
/O.NEW.KGJT.WW.Y.0027.251205T0600Z-251206T0000Z/
/O.NEW.KGJT.WS.A.0006.251206T0000Z-251207T1500Z/
Elkhead and Park Mountains-
Including the cities of Columbine, Hahns Peak, and Toponas
200 AM MST Thu Dec 4 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 5 PM
MST FRIDAY...
...WINTER STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SUNDAY
MORNING...

* WHAT...For the Winter Weather Advisory, snow expected. Total snow
  accumulations between 4 and 8 inches mainly over the Elkhead and
  Park Range. For the Winter Storm Watch, heavy snow and blowing
  snow possible. Total snow accumulations between 10 and 20 inches
  possible with locally higher amounts. Winds could gust as high as
  40 mph.

* WHERE...Elkhead and Park Mountains.

* WHEN...For the Winter Weather Advisory, from 11 PM this evening to
  5 PM MST Friday. For the Winter Storm Watch, from Friday evening
  through Sunday morning.

* IMPACTS...Roads, and especially bridges and overpasses, will
  likely become slick and hazardous. Roads, and especially bridges
  and overpasses, will likely become slick and hazardous. Travel
  could be very difficult to impossible by early Saturday.

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.

Monitor the latest forecasts for updates on this situation.

Persons should consider delaying all travel. If travel is absolutely
necessary, drive with extreme caution. Consider taking a winter
storm kit along with you, including such items as tire chains,
booster cables, flashlight, shovel, blankets and extra clothing.
Also take water, a first aid kit, and anything else that would help
you survive in case you become stranded.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
936 AM MST Thu Dec 4 2025

COZ058-060-050045-
/O.CON.KPUB.WS.A.0011.251206T0000Z-251207T1500Z/
Western Mosquito Range/East Lake County Above 11000 Feet-Eastern
Sawatch Mountains Above 11000 Feet-
Including Climax and Bonanza
936 AM MST Thu Dec 4 2025

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH SUNDAY MORNING...

* WHAT...Heavy wind driven snow possible. Total snow accumulations
  between 6 and 12 inches possible. Winds could gust as high as 45
  mph.

* WHERE...Eastern Sawatch Mountains Above 11000 Feet and Western
  Mosquito Range and East Lake County Above 11000 Feet.

* WHEN...From Friday afternoon through Sunday morning.

* IMPACTS...Travel could be very difficult. The hazardous conditions
  could impact the Friday evening commute. Gusty winds could bring
  down tree branches.

* ADDITIONAL DETAILS...Most of the heaviest snow will occur north of
  Cottonwood Pass.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

Visit us at http://www.weather.gov/pub

KT

URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
513 AM MST Thu Dec 4 2025

UTZ110>112-050315-
/O.CON.KSLC.WS.A.0006.251205T0900Z-251207T1200Z/
Wasatch Mountains I-80 North-Wasatch Mountains South of I-80-
Western Uinta Mountains-
Including the following locations - Mirror Lake Highway, Mantua,
Alta, Moon Lake, Logan Summit, and Brighton
513 AM MST Thu Dec 4 2025

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE SATURDAY NIGHT...

* WHAT...Heavy snow possible. Total snow accumulations between 1 to
  2 feet, locally up to 30 inches, for the Bear River Range, Ogden
  area mountains, and upper Cottonwoods. Total snow accumulations of
  8 to 18 inches for the western Uintas.

* WHERE...The Wasatch Mountains, and Western Uinta Mountains.

* WHEN...From late tonight through late Saturday night.

* IMPACTS...Travel could be difficult at times. Traction law
  restrictions may be enacted.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/saltlakecity.

For information on potential travel impacts visit
http://udottraffic.utah.gov

MT

URGENT - WINTER WEATHER MESSAGE
National Weather Service Salt Lake City UT
513 AM MST Thu Dec 4 2025

UTZ108-050315-
/O.CON.KSLC.WS.A.0006.251205T0900Z-251207T1200Z/
Wasatch Back-
Including the following locations - Huntsville, Heber City, and
Park City
513 AM MST Thu Dec 4 2025

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
LATE SATURDAY NIGHT...

* WHAT...Heavy snow possible. Total snow accumulations between 6 and
  12 inches across the Ogden Valley and Park City, and between 2 and
  6 inches for the lower elevation portions of the Wasatch Back.

* WHERE...Wasatch Back.

* WHEN...From late tonight through late Saturday night.

* IMPACTS...Travel could be difficult at times. The hazardous
  conditions could impact the Friday morning and evening commutes.

* ADDITIONAL DETAILS...The lowest snow levels will occur Friday
  morning around 4000 feet and gradually rise to 6000 feet by
  Saturday afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
220 AM MST Thu Dec 4 2025

COZ031-042315-
/O.NEW.KBOU.WW.Y.0030.251205T0700Z-251206T0000Z/
/O.NEW.KBOU.WS.A.0007.251206T0000Z-251207T1500Z/
West Jackson and West Grand Counties Above 9000 Feet-
Including the cities of Mt Zirkel
220 AM MST Thu Dec 4 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 5 PM
MST FRIDAY...
...WINTER STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH EARLY
SUNDAY MORNING...

* WHAT...For the Winter Weather Advisory, snow expected. Total snow
  accumulations between 4 and 8 inches. Winds gusting as high as 40
  mph. For the Winter Storm Watch, heavy wind driven snow possible.
  Total snow accumulations between 12 and 24 inches possible. Winds
  could gust as high as 55 mph.

* WHERE...Rabbit Ears Pass.

* WHEN...For the Winter Weather Advisory, from midnight tonight to 5
  PM MST Friday. For the Winter Storm Watch, from Friday evening
  through early Sunday morning.

* IMPACTS...Travel will be slick and hazardous late tonight and
  Friday due to snow and blowing snow. By Friday night through
  Saturday night, travel could be very difficult to impossible. Road
  closures are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road conditions
for Colorado can be obtained by calling 5 1 1 or by going to
www.cotrip.org.

It is strongly recommended to alter travel plans in the northern
Colorado mountains Friday night through Saturday night. Travel may
become very difficult to impossible. Monitor the latest forecasts for
updates on this winter storm.


&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
220 AM MST Thu Dec 4 2025

COZ033-034-042315-
/O.NEW.KBOU.WS.A.0007.251206T0000Z-251207T1500Z/
South and East Jackson/Larimer/North and Northeast
Grand/Northwest Boulder Counties Above 9000 Feet-South and
Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear
Creek/Summit/North and West Park Counties Above 9000 Feet-
Including the cities of Winter Park, East Slopes Mosquito Range,
Rabbit Ears Range, Berthoud Pass, Kenosha Mountains, Williams Fork
Mountains, Rocky Mountain National Park, Cameron Pass, Eisenhower
Tunnel, East Slopes Southern Gore Range, Mount Blue Sky,
Breckenridge, Indian Peaks, Willow Creek Pass, and Laramie and
Medicine Bow Mountains
220 AM MST Thu Dec 4 2025

...WINTER STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH EARLY
SUNDAY MORNING...

* WHAT...Heavy wind driven snow possible. Total snow accumulations
  between 8 and 14 inches possible. Winds could gust as high as 55
  mph.

* WHERE...Rocky Mountain National Park and the Medicine Bow Range,
  and The Mountains of Summit County, the Mosquito Range, and the
  Indian Peaks.

* WHEN...From Friday evening through early Sunday morning.

* IMPACTS...Travel could be very difficult and road closures are
  possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

It is strongly recommended to alter travel plans in the northern
Colorado mountains Friday night through Saturday night. Travel may
become very difficult to impossible. Monitor the latest forecasts for
updates on this winter storm.

&&

$$

For more information from the National Weather Service, visit
https://weather.gov/bou

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