Winter Storm Warning
URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
223 AM MST Fri Dec 5 2025
COZ031-052215-
/O.CON.KBOU.WS.W.0007.251206T0600Z-251207T0600Z/
/O.CON.KBOU.WW.Y.0030.000000T0000Z-251206T0600Z/
West Jackson and West Grand Counties Above 9000 Feet-
Including the cities of Mt Zirkel
223 AM MST Fri Dec 5 2025
...WINTER STORM WARNING IN EFFECT FROM FRIDAY NIGHT INTO SATURDAY
NIGHT...
...WINTER WEATHER ADVISORY IN EFFECT NOW THROUGH 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 Warning, 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 now through 5 PM MST
Friday. For the Winter Storm Warning, from Friday evening through
early Sunday morning.
* IMPACTS...Travel will be slick and hazardous on 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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
223 AM MST Fri Dec 5 2025
COZ033-034-052215-
/O.CON.KBOU.WS.W.0007.251206T0600Z-251207T0600Z/
South and East Jackson/Larimer/North and Northeast
Grand/Northwest Boulder Counties Above 9000 Feet-South and
Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear
Creek/Summit/North and West Park Counties Above 9000 Feet-
Including the cities of Winter Park, Berthoud Pass, Mount Blue Sky,
Willow Creek Pass, Rabbit Ears Range, Indian Peaks, Kenosha
Mountains, Williams Fork Mountains, East Slopes Southern Gore Range,
Laramie and Medicine Bow Mountains, East Slopes Mosquito Range,
Cameron Pass, Eisenhower Tunnel, Breckenridge, and Rocky Mountain
National Park
223 AM MST Fri Dec 5 2025
...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
11 PM MST SATURDAY...
* WHAT...Heavy snow and blowing snow expected. Total snow
accumulations between 7 and 14 inches. Winds gusting as high as 55
mph.
* WHERE...Rocky Mountain National Park and the Medicine Bow Range,
and The Mountains of Summit County, the Mosquito Range, and the
Indian Peaks.
* WHEN...From 11 PM this evening to 11 PM MST Saturday.
* IMPACTS...Travel could be very difficult and road closures are
possible.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
It is strongly recommended to alter travel plans in the northern
Colorado mountains Friday night through Saturday night. Travel may
become very difficult to impossible. Monitor the latest forecasts for
updates on this winter storm.
If you must travel, keep an extra flashlight, food, and water in your
vehicle in case of an emergency. The latest road conditions for
Colorado can be obtained by calling 5 1 1 or by going to
www.cotrip.org.
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/bou
22
URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Junction CO
113 AM MST Fri Dec 5 2025
COZ004-061215-
/O.CON.KGJT.WS.W.0007.251206T0000Z-251207T0600Z/
/O.CON.KGJT.WW.Y.0027.000000T0000Z-251206T0000Z/
Elkhead and Park Mountains-
Including the cities of Columbine, Hahns Peak, and Toponas
113 AM MST Fri Dec 5 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO 11 PM MST SATURDAY...
* WHAT...For the Winter Weather Advisory, snow. Additional snow
accumulations between 2 and 8 inches. For the Winter Storm
Warning, heavy snow expected. Total snow accumulations between 8
and 26 inches. Winds gusting as high as 60 mph.
* WHERE...Elkhead and Park Mountains.
* WHEN...For the Winter Weather Advisory, until 5 PM MST this
afternoon. For the Winter Storm Warning, from 5 PM this afternoon
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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
1220 AM MST Fri Dec 5 2025
WYZ112-114-060015-
/O.CON.KCYS.WS.W.0011.000000T0000Z-251207T1200Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
1220 AM MST Fri Dec 5 2025
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST SUNDAY...
* WHAT...Heavy snow expected. Total snow accumulations between 1 and
2 feet. Higher amounts possible above 10000 feet. Winds gusting as
high as 65 mph will lead to blowing snow and reduced visibility.
* WHERE...Sierra Madre Range and Snowy Range.
* WHEN...Until 5 AM MST Sunday.
* IMPACTS...Outdoor recreation could become life threatening to
those caught unprepared for severe winter conditions. Hikers and
snowmobilers may easily become disoriented. Frostbite and
hypothermia can develop quickly. Widespread blowing snow could
significantly reduce visibility and lead to dangerous travel
conditions. Travel could be very difficult to impossible. Very
strong winds could cause tree damage.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.
&&
$$
High Wind Warning
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
510 AM MST Fri Dec 5 2025
WYZ110-116-051900-
/O.CON.KCYS.HW.W.0049.000000T0000Z-251205T1900Z/
North Snowy Range Foothills-South Laramie Range-
Including the cities of Pumpkin Vine, Vedauwoo, Elk Mountain,
Arlington, and Buford
510 AM MST Fri Dec 5 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected.
* WHERE...South Laramie Range including the Interstate 80 Summit
between Cheyenne and Laramie, and North Snowy Range Foothills
including Arlington and Elk Mountain along Interstate 80.
* WHEN...Until noon MST today.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers. In addition, areas of blowing snow
could lead to reduced visibility and slick roads.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
&&
$$
Fuller
Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
223 AM MST Fri Dec 5 2025
COZ031-052215-
/O.CON.KBOU.WS.W.0007.251206T0600Z-251207T0600Z/
/O.CON.KBOU.WW.Y.0030.000000T0000Z-251206T0600Z/
West Jackson and West Grand Counties Above 9000 Feet-
Including the cities of Mt Zirkel
223 AM MST Fri Dec 5 2025
...WINTER STORM WARNING IN EFFECT FROM FRIDAY NIGHT INTO SATURDAY
NIGHT...
...WINTER WEATHER ADVISORY IN EFFECT NOW THROUGH 11 PM MST FRIDAY...
* WHAT...For the Winter Weather Advisory, snow expected. Total snow
accumulations between 4 and 8 inches. Winds gusting as high as 45
mph. For the Winter Storm Warning, heavy wind driven snow possible.
Total snow accumulations between 12 and 24 inches possible. Winds
could gust as high as 55 mph.
* WHERE...Rabbit Ears Pass.
* WHEN...For the Winter Weather Advisory, from now through 5 PM MST
Friday. For the Winter Storm Warning, from Friday evening through
early Sunday morning.
* IMPACTS...Travel will be slick and hazardous on Friday due to snow
and blowing snow. By Friday night through Saturday night, travel
could be very difficult to impossible. Road closures are possible.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road conditions
for Colorado can be obtained by calling 5 1 1 or by going to
www.cotrip.org.
It is strongly recommended to alter travel plans in the northern
Colorado mountains Friday night through Saturday night. Travel may
become very difficult to impossible. Monitor the latest forecasts for
updates on this winter storm.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Junction CO
113 AM MST Fri Dec 5 2025
COZ004-061215-
/O.CON.KGJT.WS.W.0007.251206T0000Z-251207T0600Z/
/O.CON.KGJT.WW.Y.0027.000000T0000Z-251206T0000Z/
Elkhead and Park Mountains-
Including the cities of Columbine, Hahns Peak, and Toponas
113 AM MST Fri Dec 5 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO 11 PM MST SATURDAY...
* WHAT...For the Winter Weather Advisory, snow. Additional snow
accumulations between 2 and 8 inches. For the Winter Storm
Warning, heavy snow expected. Total snow accumulations between 8
and 26 inches. Winds gusting as high as 60 mph.
* WHERE...Elkhead and Park Mountains.
* WHEN...For the Winter Weather Advisory, until 5 PM MST this
afternoon. For the Winter Storm Warning, from 5 PM this afternoon
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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Junction CO
113 AM MST Fri Dec 5 2025
COZ005-061215-
/O.CON.KGJT.WW.Y.0028.251206T0000Z-251207T0600Z/
Upper Yampa River Basin-
Including the cities of Steamboat Springs
113 AM MST Fri Dec 5 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 11 PM MST SATURDAY...
* WHAT...Snow expected. Total snow accumulations between 4 and 12
inches. Winds gusting as high as 40 mph.
* WHERE...Upper Yampa River Basin.
* WHEN...From 5 PM this afternoon to 11 PM MST Saturday.
* IMPACTS...Travel could be hazardous to very difficult at times.
The hazardous conditions could impact the Friday evening commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1244 AM MST Fri Dec 5 2025
WYZ008-052300-
/O.CON.KRIW.WW.Y.0034.000000T0000Z-251206T2100Z/
Bighorn Mountains West-
1244 AM MST Fri Dec 5 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST
SATURDAY...
* WHAT...Snow expected. Additional snow accumulations of 8 to 15
inches from Cloud Peak and Granite Pass northward. Snow amounts of
1 to 5 inches south of Powder River Pass.
* WHERE...Bighorn Mountains West.
* WHEN...Until 2 PM MST Saturday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Friday morning and evening commutes.
* ADDITIONAL DETAILS...Snow is expected to lighten in intensity
between 8AM and 2PM Friday, with accumulations generally between 1
and 3 inches. Moderate to heavy snowfall begins after 3PM Friday
and continues through the overnight hours, this is when a bulk of
the additional snow accumulations will occur.
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 .
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
1220 AM MST Fri Dec 5 2025
WYZ110-060015-
/O.NEW.KCYS.WW.Y.0036.251205T1200Z-251207T0000Z/
North Snowy Range Foothills-
Including the cities of Elk Mountain and Arlington
1220 AM MST Fri Dec 5 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM EARLY THIS MORNING TO
5 PM MST SATURDAY...
* WHAT...Snow expected. Total snow accumulations between 4 and 8
inches. Highest accumulations are expected near the Snowy Range.
Winds gusting as high as 70 mph. Strong winds will lead to blowing
snow and reduced visibility. Visibility may be reduced below one
mile at times.
* WHERE...North Snowy Range Foothills including Arlington and Elk
Mountain along Interstate 80.
* WHEN...From 5 AM early this morning to 5 PM MST Saturday.
* IMPACTS...Areas of blowing snow could reduce visibility and lead
to slick road conditions. Travel will be difficult.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
Fuller
Avalanche Watch
COZ010-033-034-080200-
BULLETIN - IMMEDIATE BROADCAST REQUESTED AVALANCHE WATCH
COLORADO AVALANCHE INFORMATION CENTER
RELAYED BY NATIONAL WEATHER SERVICE DENVER/BOULDER CO
651 AM MST FRI DEC 05 2025
THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE
COLORADO AVALANCHE INFORMATION CENTER.
...AVALANCHE WATCH IN EFFECT FROM 4:30 PM FRIDAY UNTIL 4:30 PM
SUNDAY...
*WHAT...Dangerous avalanche conditions develop on Friday night.
Expect the Avalanche Danger to rise to HIGH (Level 4 of 5).
*WHERE...Front Range and Gore Range.
*WHEN...Expect very dangerous avalanche conditions to begin on
Friday night and last until 5:00 PM on Sunday.
*IMPACTS...High snowfall rates and strong winds will create
dangerous avalanche conditions by Friday night. Large and dangerous
avalanches will be easy to trigger once the new snow accumulates.
Avalanches will run naturally. Travel in backcountry avalanche
terrain is not recommended during this time.
Lazar
$$
COZ004-031-072200-
BULLETIN - IMMEDIATE BROADCAST REQUESTED AVALANCHE WATCH
COLORADO AVALANCHE INFORMATION CENTER
RELAYED BY NATIONAL WEATHER SERVICE DENVER/BOULDER CO
255 PM MST THU DEC 04 2025
THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE
COLORADO AVALANCHE INFORMATION CENTER.
...AVALANCHE WATCH IN EFFECT FROM 4:30 PM Friday UNTIL 4:30PM PM
Sunday...
*WHAT...Dangerous avalanche conditions develop on Friday night.
Expect the Avalanche Danger to rise to HIGH (Level 4 of 5).
*WHERE...Park Range.
*WHEN...Expect very dangerous avalanche conditions to begin on
Friday night and last until 5:00 PM on Sunday
*IMPACTS...High snowfall rates and strong winds will create
dangerous avalanche conditions by Friday night. Large and dangerous
avalanches will be easy to trigger once the new snow accumulates.
Avalanches will run naturally. Travel in backcountry avalanche
terrain is not recommended during this time.
Lazar
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Grand Junction CO
337 AM MST Fri Dec 5 2025
COZ001>014-017>023-UTZ022>025-027>029-061045-
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-
337 AM MST Fri Dec 5 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.
Snow tapers off in most areas today before the next round arrives to
the northern Colorado mountains late this evening. Significant
amounts are mainly expected across the Park and Gore Ranges with
travel impacts along Highway 40 from Milner to Rabbit Ears Pass today.
A more robust round of snow and wind will then impact the northern
and more of the central mountains of Colorado and adjacent valleys
beginning tonight
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Moderate to heavy snow showers continue through the northern and
central Colorado mountains and adjacent valleys Saturday through
early Sunday. Plan for significant snow accumulations with travel
impacts including road closures likely with this winter storm. The
northern Colorado mountains are likely to see additional periods of
light to moderate snow showers through the upcoming work week.
.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.
$$
Hazardous Weather Outlook
National Weather Service North Platte NE
425 AM CST Fri Dec 5 2025
NEZ004>010-022>029-035>038-056>059-069>071-094-061030-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-Grant-
Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-Logan-
Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
425 AM CST Fri Dec 5 2025 /325 AM MST Fri Dec 5 2025/
This Hazardous Weather Outlook is for portions of western and north
central Nebraska.
.DAY ONE...Today and tonight.
Hazardous weather is not expected at this time.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
A disturbance tracks across the area Saturday bringing the potential
for accumulating snow across eastern portions of north central
Nebraska. Snow accumulation up to an inch and a half are possible
across Boyd and northern Holt County. Monitor the latest forecasts
for up to date information about this threat.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Cheyenne WY
322 AM MST Fri Dec 5 2025
NEZ002-003-019>021-054-055-095-096-WYZ101>119-061030-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
322 AM MST Fri Dec 5 2025
This hazardous weather outlook is for portions of panhandle
Nebraska...east central Wyoming...south central Wyoming and
southeast Wyoming.
.DAY ONE...TODAY AND TONIGHT
- Winds remain elevated through Friday morning in the wind prone
areas. Another round of High Wind Warnings will be likely Friday
night into Saturday.
- Areas of blowing snow may impact travel conditions in the
wind prone areas of southeast Wyoming.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
- Prolonged period of mountain snow expected through Sunday
morning. Winter Storm Warnings have been issued for Sierra
Madre and Snowy Ranges.
.Spotter information statement...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook...CORRECTED
National Weather Service Riverton WY
254 AM MST Fri Dec 5 2025
WYZ001>020-022>030-061400-
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-
254 AM MST Fri Dec 5 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 SATURDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FOR YELLOWSTONE NATIONAL
PARK AND THE ABSAROKA MOUNTAINS UNTIL 2 PM MST SATURDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FOR THE BIGHORN MOUNTAINS
WEST UNTIL 2 PM MST SATURDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FOR THE UPPER GREEN RIVER
BASIN FOOTHILLS AND WIND RIVER MOUNTAINS WEST UNTIL 2 PM MST SATURDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FOR JACKSON HOLE AND
STAR VALLEY UNTIL 2 PM MST SATURDAY...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and tonight.
Moderate to heavy snow this afternoon through the overnight hours
across the Western Mountains, Jackson and Star Valleys, the Upper
Green River Basin, and the northern portions of the western Bighorns.
Gusty winds combined with heavy snow could cause reduced
visibilities and hazardous travel.
Widespread breezy to gusty winds across much of the area this
afternoon, with gusts up to 30 mph across the Wind Corridor, the
Absarokas, and eastern Wind River Mountains.
Wind gusts of 40 to 50 mph are expected after sunset across the
western mountains, the Wind Corridor, and the Wind River Basin.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Saturday...Light snow across western Wyoming and the western
Bighorns. Gusty across the area. Wind gusts of 40 to 50 mph across
the western mountains, northern Johnson County, the Wind River Basin,
and southern Wyoming. Gusts of 60 mph are possible in wind prone
locations, especially Sweetwater County.
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.
$$
Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1129 AM MST Thu Dec 4 2025
COZ030>051-051830-
Jackson County Below 9000 Feet-
West Jackson and West Grand Counties Above 9000 Feet-
Grand and Summit Counties Below 9000 Feet-
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-Larimer and Boulder Counties Between 6000 and 9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Central and Southeast Park County-
Larimer County Below 6000 Feet/Northwest Weld County-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Northeast Weld County-Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
1129 AM MST Thu Dec 4 2025
This hazardous weather outlook is for northeast and north central
Colorado.
.DAY ONE...Today and Tonight
Snow returns to the northern mountains tonight, heaviest towards
Rabbit Ears Pass. Roads are expected to become slick and hazardous
overnight in the mountains.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
Additional mountain snow is expected Friday evening through
Sunday morning. Travel could be very difficult across the
mountains Friday night through Sunday morning, due to heavy
snowfall and blowing snow.
Across the plains, dry conditions are expected this weekend into
next week, with a gradual warming trend likely.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today or tonight.
$$
