Winter Storm Warning
URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
221 PM MST Thu Dec 4 2025
COZ031-051315-
/O.UPG.KBOU.WS.A.0007.251206T0000Z-251207T1500Z/
/O.NEW.KBOU.WS.W.0007.251206T0600Z-251207T0600Z/
/O.EXT.KBOU.WW.Y.0030.251205T0700Z-251206T0600Z/
West Jackson and West Grand Counties Above 9000 Feet-
Including the cities of Mt Zirkel
221 PM MST Thu Dec 4 2025
...WINTER STORM WARNING IN EFFECT FROM FRIDAY NIGHT INTO SATURDAY
NIGHT...
...WINTER WEATHER ADVISORY NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 11
PM MST FRIDAY...
* WHAT...For the Winter Weather Advisory, snow expected. Total snow
accumulations between 4 and 8 inches. Winds gusting as high as 45
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 11
PM MST Friday. For the Winter Storm Warning, from 11 PM Friday to
11 PM MST Saturday.
* 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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
221 PM MST Thu Dec 4 2025
COZ033-034-051315-
/O.UPG.KBOU.WS.A.0007.251206T0000Z-251207T1500Z/
/O.NEW.KBOU.WS.W.0007.251206T0600Z-251207T0600Z/
South and East Jackson/Larimer/North and Northeast
Grand/Northwest Boulder Counties Above 9000 Feet-South and
Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear
Creek/Summit/North and West Park Counties Above 9000 Feet-
Including the cities of Eisenhower Tunnel, Williams Fork Mountains,
Berthoud Pass, Cameron Pass, Breckenridge, Indian Peaks, Willow Creek
Pass, East Slopes Southern Gore Range, Winter Park, Rocky Mountain
National Park, Laramie and Medicine Bow Mountains, Kenosha Mountains,
Rabbit Ears Range, Mount Blue Sky, and East Slopes Mosquito Range
221 PM MST Thu Dec 4 2025
...WINTER STORM WARNING IN EFFECT FROM 11 PM FRIDAY TO 11 PM MST
SATURDAY...
* WHAT...Heavy snow and blowing snow expected. Total snow
accumulations between 7 and 14 inches. Winds gusting as high as 55
mph.
* WHERE...Rocky Mountain National Park and the Medicine Bow Range,
and The Mountains of Summit County, the Mosquito Range, and the
Indian Peaks.
* WHEN...From 11 PM Friday to 11 PM MST Saturday.
* IMPACTS...Travel could be very difficult and road closures are
possible.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
It is strongly recommended to alter travel plans in the northern
Colorado mountains Friday night through Saturday night. Travel may
become very difficult to impossible. Monitor the latest forecasts for
updates on this winter storm.
If you must travel, keep an extra flashlight, food, and water in your
vehicle in case of an emergency. The latest road conditions for
Colorado can be obtained by calling 5 1 1 or by going to
www.cotrip.org.
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/bou
Hiris
URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
1220 AM MST Fri Dec 5 2025
WYZ112-114-060015-
/O.CON.KCYS.WS.W.0011.000000T0000Z-251207T1200Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
1220 AM MST Fri Dec 5 2025
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY...
* WHAT...Heavy snow expected. Total snow accumulations between 1 and
2 feet. 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. Widespread blowing snow could
significantly reduce visibility and lead to dangerous travel
conditions. Travel could be very difficult to impossible. Very
strong winds could cause tree damage.
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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Pueblo CO
941 PM MST Thu Dec 4 2025
COZ058-060-051400-
/O.CON.KPUB.WS.W.0012.251206T0600Z-251207T0600Z/
Western Mosquito Range/East Lake County Above 11000 Feet-Eastern
Sawatch Mountains Above 11000 Feet-
Including Climax and Bonanza
941 PM MST Thu Dec 4 2025
...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM FRIDAY TO 11 PM
MST SATURDAY...
* WHAT...Heavy wind driven snow possible. Total snow accumulations
between 6 and 12 inches possible with accumulations up to 15
inches north of Cottonwood Pass. Winds could gust as high as 45
mph.
* WHERE...Eastern Sawatch Mountains Above 11000 Feet and Western
Mosquito Range/East Lake County Above 11000 Feet.
* WHEN...From 11 PM Friday to 11 PM MST Saturday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Friday evening commute. Visibilities over the
passes will be less than a mile at times during blowing snow.
* ADDITIONAL DETAILS...Most of the heaviest snow will occur north of
Cottonwood Pass.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Junction CO
257 PM MST Thu Dec 4 2025
COZ004-051200-
/O.CON.KGJT.WS.W.0007.251206T0000Z-251207T0600Z/
/O.CON.KGJT.WW.Y.0027.251205T0600Z-251206T0000Z/
Elkhead and Park Mountains-
Including the cities of Columbine, Hahns Peak, and Toponas
257 PM MST Thu Dec 4 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 5 PM MST FRIDAY...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM FRIDAY TO 11 PM
MST SATURDAY...
* WHAT...For the Winter Weather Advisory, snow accumulations between
4 and 8 inches expected. For the Winter Storm Warning, snow
accumulations between 10 and 20 inches with winds gusting as high
as 45 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 Warning, from 5 PM Friday to
11 PM MST Saturday.
* IMPACTS...Travel could be difficult to impossible at times,
especially Friday night into Saturday morning. Gusty winds could
bring down tree branches. Roads, and especially bridges and
overpasses, will likely become slick and hazardous.
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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Junction CO
257 PM MST Thu Dec 4 2025
COZ013-051200-
/O.CON.KGJT.WS.W.0007.251206T0000Z-251207T0600Z/
Flat Tops-
Including the cities of Buford and Trappers Lake
257 PM MST Thu Dec 4 2025
...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM FRIDAY TO 11 PM
MST SATURDAY...
* WHAT...Heavy snow expected. Total snow accumulations between 6 and
18 inches. Winds gusting as high as 40 mph.
* WHERE...Flat Tops and Gore and Elk Mountains/Central Mountain
Valleys.
* WHEN...From 5 PM Friday to 11 PM MST Saturday.
* IMPACTS...Travel could be difficult to impossible at times,
especially Friday night into Saturday morning. Gusty winds could
bring down tree branches. Roads, and especially bridges and
overpasses, will likely become slick and hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts for updates on this situation.
Persons should consider delaying all travel. If travel is absolutely
necessary, drive with extreme caution. Consider taking a winter
storm kit along with you, including such items as tire chains,
booster cables, flashlight, shovel, blankets and extra clothing.
Also take water, a first aid kit, and anything else that would help
you survive in case you become stranded.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Junction CO
257 PM MST Thu Dec 4 2025
COZ010-012-051200-
/O.CON.KGJT.WS.W.0007.251206T0600Z-251207T0600Z/
Gore and Elk Mountains/Central Mountain Valleys-West Elk and
Sawatch Mountains-
Including the cities of Aspen, Snowmass, Vail, Vail Pass, Minturn,
Crested Butte, Taylor Park, Marble, Monarch Pass, and McClure Pass
257 PM MST Thu Dec 4 2025
...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM FRIDAY TO 11 PM
MST SATURDAY...
* WHAT...Heavy snow expected. Total snow accumulations between 6 and
12 inches. Winds gusting as high as 35 mph.
* WHERE...Gore and Elk Mountains/Central Mountain Valleys and West
Elk and Sawatch Mountains.
* WHEN...From 11 PM Friday to 11 PM MST Saturday.
* IMPACTS...Travel over mountain passes could be very difficult.
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.
&&
$$
