Winter Storm Warning

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
648 PM MST Sat Dec 6 2025

WYZ112-114-071200-
/O.CON.KCYS.WS.W.0011.000000T0000Z-251207T1200Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
648 PM MST Sat Dec 6 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY...

* WHAT...Heavy snow expected. Additional snow accumulations between
  5 and 10 inches. Higher amounts possible above 10000 feet. Winds
  gusting as high as 65 mph will lead to blowing snow and reduced
  visibility.

* WHERE...Sierra Madre Range and Snowy Range.

* WHEN...Until 5 AM MST Sunday.

* IMPACTS...Outdoor recreation could become life threatening to
  those caught unprepared for severe winter conditions. Hikers and
  snowmobilers may easily become disoriented. Frostbite and
  hypothermia can develop quickly.

* ADDITIONAL DETAILS...Total snow accumulations are expected to
  range between 2 to 5 feet of snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.

&&

$$

Trudel

URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
200 PM MST Sat Dec 6 2025

COZ033-034-070600-
/O.CON.KBOU.WS.W.0007.000000T0000Z-251207T0600Z/
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 Willow Creek Pass, East Slopes Mosquito
Range, Mount Blue Sky, Breckenridge, East Slopes Southern Gore Range,
Indian Peaks, Williams Fork Mountains, Eisenhower Tunnel, Kenosha
Mountains, Rabbit Ears Range, Rocky Mountain National Park, Laramie
and Medicine Bow Mountains, Cameron Pass, Berthoud Pass, and Winter
Park
200 PM MST Sat Dec 6 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Snow showers and blowing snow expected. Additional
  accumulations of 1 to 3 inches possible, with wind gusts 50 to 70
  mph expected across the higher mountain elevations.

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

* WHEN...Until 11 PM MST this evening.

* IMPACTS...Snow and blowing snow may reduce visibility to near a
  quarter at times.  Travel will remain treacherous. Plan on slippery
  road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in your
vehicle in case of an emergency. The latest road conditions for
Colorado can be obtained by calling 5 1 1 or by going to
www.cotrip.org.

If traveling to the mountains, be prepared for winter driving
conditions. Check cotrip.org for road closures and traction laws.

&&

$$

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

BRQ

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
146 PM MST Sat Dec 6 2025

MTZ067-068-070700-
/O.CON.KBYZ.WS.W.0017.000000T0000Z-251207T0700Z/
Absaroka/Beartooth Mountains-Crazy Mountains-
Including the locations of Cooke City
146 PM MST Sat Dec 6 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

* WHAT...Heavy snow occurring. Additional snow accumulations of 3 to
  6 inches. Winds gusting as high as 50 mph in exposed areas.

* WHERE...Absaroka/Beartooth Mountains and Crazy Mountains.

* WHEN...Until midnight MST tonight.

* IMPACTS...Mountain recreation will be impacted by heavy
  accumulating snow and blowing snow.

* ADDITIONAL DETAILS...The heaviest snowfall will occur on west and
  northwest facing slopes, including the mountains near Cooke City.
  The mountains around Red Lodge will see much less additional
  snowfall, 0 to 3 inches.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Those in the backcountry should ensure they are prepared for
dangerous winter conditions.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Junction CO
135 PM MST Sat Dec 6 2025

COZ004-071200-
/O.CON.KGJT.WS.W.0007.000000T0000Z-251207T1200Z/
Elkhead and Park Mountains-
Including the cities of Columbine, Hahns Peak, and Toponas
135 PM MST Sat Dec 6 2025

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY...

* WHAT...Heavy snow. Additional snow accumulations up to 7 inches.
  Winds gusting as high as 50 mph.

* WHERE...Elkhead and Park Mountains.

* WHEN...Until 5 AM MST Sunday.

* IMPACTS...Travel could be very difficult to impossible through
  much of the day and into the early morning hours of Sunday

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, warm clothes,
and water in your vehicle in case of an emergency. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.

&&

$$