Winter Storm Warning
URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Junction CO
139 AM MST Sat Dec 6 2025
COZ004-062145-
/O.EXT.KGJT.WS.W.0007.000000T0000Z-251207T1200Z/
Elkhead and Park Mountains-
Including the cities of Columbine, Hahns Peak, and Toponas
139 AM MST Sat Dec 6 2025
...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM MST SUNDAY...
* WHAT...Heavy snow and blowing snow. Additional snow accumulations
between 8 and 16 inches with higher amounts up to 2 feet over the
higher peaks of the Park Range. Winds gusting 40 to 50 mph and
occasional gusts over 60 mph over the higher peaks.
* 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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1251 AM MST Sat Dec 6 2025
WYZ008-070000-
/O.CON.KRIW.WS.W.0012.000000T0000Z-251207T0000Z/
Bighorn Mountains West-
1251 AM MST Sat Dec 6 2025
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
* WHAT...Snow expected. Additional snow accumulations of 8 to 15
inches over central and northern portions of the western Bighorn
Mountains, with higher elevations seeing up to 20 inches. Snow
accumulations of 1 to 8 inches across southern portions of the
Bighorns.
* WHERE...Bighorn Mountains West.
* WHEN...Until 5 PM MST this afternoon.
* IMPACTS...Travel could be very difficult over Granite and Powder
River Passes. The hazardous conditions could impact the travel on
Saturday morning.
* ADDITIONAL DETAILS...Heavy periods of snow are expected between
5AM and NOON Saturday when snowfall rates of 1 or more inches will
be possible.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
220 PM MST Fri Dec 5 2025
WYZ112-114-061200-
/O.CON.KCYS.WS.W.0011.000000T0000Z-251207T1200Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
220 PM 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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
135 PM MST Fri Dec 5 2025
COZ031-060630-
/O.CON.KBOU.WS.W.0007.251206T0600Z-251207T0600Z/
/O.CON.KBOU.WW.Y.0030.000000T0000Z-251206T0600Z/
West Jackson and West Grand Counties Above 9000 Feet-
Including the cities of Mt Zirkel
135 PM MST Fri Dec 5 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...
...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
11 PM MST SATURDAY...
* WHAT...For the Winter Weather Advisory, snow. Additional snow
accumulations between 2 and 5 inches. Winds gusting as high as 40
mph. For the Winter Storm Warning, heavy snow and blowing snow
expected. Total snow accumulations between 12 and 24 inches, with
isolated totals up to 30 inches possible. Winds gusting as high as
65 mph.
* WHERE...Rabbit Ears Pass.
* WHEN...For the Winter Weather Advisory, until 11 PM MST this
evening. For the Winter Storm Warning, from 11 PM this evening to
11 PM MST Saturday.
* IMPACTS...Travel will be very difficult to impossible. Widespread
blowing snow could significantly reduce visibility.
* ADDITIONAL DETAILS...The heaviest snow is expected to fall late
tonight through the first half of Saturday. Significant blowing
snow is expected as winds increase late Saturday morning into
Saturday afternoon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
It is strongly recommended to alter travel plans in the northern
Colorado mountains Friday night through Saturday night. If you must
travel, keep an extra flashlight, food, and water in your vehicle in
case of an emergency. The latest road conditions for Colorado can be
obtained by calling 5 1 1 or by going to www.cotrip.org.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
135 PM MST Fri Dec 5 2025
COZ033-034-060630-
/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 Berthoud Pass, East Slopes Southern Gore
Range, Winter Park, Laramie and Medicine Bow Mountains, Breckenridge,
East Slopes Mosquito Range, Williams Fork Mountains, Cameron Pass,
Indian Peaks, Rabbit Ears Range, Mount Blue Sky, Kenosha Mountains,
Eisenhower Tunnel, Rocky Mountain National Park, and Willow Creek
Pass
135 PM 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 15 inches, with isolated totals up to
20 inches possible. Winds gusting as high as 65 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...Snow and blowing snow will reduce visibility to a quarter
mile or less. Near blizzard conditions are possible, especially
Saturday morning. Travel will be very difficult to impossible, with
road closures possible.
* ADDITIONAL DETAILS...The heaviest snow is expected to fall late
tonight through the first half of Saturday, with light to moderate
snow Saturday afternoon and Saturday night. Significant blowing
snow is expected as winds increase late Saturday morning into
Saturday afternoon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
It is strongly recommended to alter travel plans in the Colorado
mountains Friday night through Saturday night. 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.
&&
$$
High Wind Warning
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
216 PM MST Fri Dec 5 2025
WYZ106-109-110-116-061200-
/O.CON.KCYS.HW.W.0050.251206T0300Z-251207T0000Z/
Central Laramie Range and Southwest Platte County-Central Carbon
County-North Snowy Range Foothills-South Laramie Range-
Including the cities of Bordeaux, Buford, Vedauwoo, Arlington,
Pumpkin Vine, Rawlins, and Elk Mountain
216 PM MST Fri Dec 5 2025
...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 5
PM MST SATURDAY...
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected.
* WHERE...Southeast Wyoming wind-prone areas including Interstate 80
near Arlington and the Summit and Interstate 25 near Bordeaux, and
Central Carbon County.
* WHEN...From 8 PM this evening to 5 PM MST Saturday.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
216 PM MST Fri Dec 5 2025
WYZ115-117-061200-
/O.CON.KCYS.HW.W.0050.251206T0900Z-251207T0000Z/
Laramie Valley-South Laramie Range Foothills-
Including the cities of Laramie, Horse Creek, Whitaker, Federal,
and Bosler
216 PM MST Fri Dec 5 2025
...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TO 5 PM MST
SATURDAY...
* WHAT...West winds 30 to 40 mph with gusts up to 60 mph expected.
* WHERE...Laramie Valley and South Laramie Range Foothills.
* WHEN...From 2 AM to 5 PM MST Saturday.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
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.
&&
$$
CG
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
216 PM MST Fri Dec 5 2025
WYZ118-061200-
/O.UPG.KCYS.HW.A.0043.251206T0900Z-251206T2100Z/
/O.EXB.KCYS.HW.W.0050.251206T0900Z-251206T2100Z/
Central Laramie County-
Including the cities of Cheyenne
216 PM MST Fri Dec 5 2025
...HIGH WIND WARNING IN EFFECT FROM 2 AM TO 2 PM MST SATURDAY...
* WHAT...West winds 30 to 40 mph with gusts up to 60 mph expected.
* WHERE...Central Laramie County.
* WHEN...From 2 AM to 2 PM MST Saturday.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
&&
$$
Avalanche Warning
COZ004-010-031-034-062345-
BULLETIN - IMMEDIATE BROADCAST REQUESTED AVALANCHE WARNING
COLORADO AVALANCHE INFORMATION CENTER
RELAYED BY NATIONAL WEATHER SERVICE DENVER/BOULDER CO
443 PM MST FRI DEC 05 2025
THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE
COLORADO AVALANCHE INFORMATION CENTER.
...AVALANCHE WARNING IN EFFECT THROUGH 5 PM SATURDAY...
*WHAT...Very dangerous avalanche conditions. The Avalanche Danger is
HIGH (Level 4 of 5) through Saturday
*WHERE...Park Range and the Gore Range
*WHEN...Expect very dangerous avalanche conditions through Saturday
at 5 PM.
*IMPACTS...Heavy snow and strong winds are creating very dangerous
avalanche conditions. Large and dangerous avalanches are easy to
trigger. Large avalanches will release naturally from wind-loaded
slopes.
*PRECAUTION/PREPAREDNESS ACTIONS...Travel in backcountry avalanche
terrain is not recommended through Saturday. Avoid travel on and
under slopes with a slope angle steeper than about 30 degrees. You
can findmore detailed information at colorado.gov/avalanche
JK
$$
Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Junction CO
139 AM MST Sat Dec 6 2025
COZ005-062145-
/O.CON.KGJT.WW.Y.0028.000000T0000Z-251207T0600Z/
Upper Yampa River Basin-
Including the cities of Steamboat Springs
139 AM MST Sat Dec 6 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...
* WHAT...Snow and patchy blowing snow. Additional snow accumulations
between 4 and 10 inches with locally higher amounts up to a foot.
Winds gusting as high as 40 mph.
* WHERE...Upper Yampa River Basin.
* WHEN...Until 11 PM MST this evening.
* IMPACTS...Travel could be hazardous to very difficult at times.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
220 PM MST Fri Dec 5 2025
WYZ110-061200-
/O.CON.KCYS.WW.Y.0036.000000T0000Z-251207T0000Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
220 PM MST Fri Dec 5 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
SATURDAY...
* WHAT...Snow expected. Additional snow accumulations between 2 and
4 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...Until 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.
&&
$$
CG
URGENT - WINTER WEATHER MESSAGE
National Weather Service Denver CO
135 PM MST Fri Dec 5 2025
COZ030-060630-
/O.NEW.KBOU.WW.Y.0031.251206T0600Z-251207T0600Z/
Jackson County Below 9000 Feet-
Including the cities of North Park, Rand, Spicer, Gould, and Walden
135 PM MST Fri Dec 5 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 11 PM
MST SATURDAY...
* WHAT...Snow and blowing snow expected. Total snow accumulations
between 3 and 8 inches. Winds gusting as high as 50 mph.
* WHERE...North Park.
* WHEN...From 11 PM this evening to 11 PM MST Saturday.
* IMPACTS...Travel could be very difficult.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road conditions
for Colorado can be obtained by calling 5 1 1 or by going to
www.cotrip.org.
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/bou
Hiris
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Cheyenne WY
323 PM MST Fri Dec 5 2025
NEZ002-003-019>021-054-055-095-096-WYZ101>119-062230-
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-
323 PM 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...THIS AFTERNOON AND TONIGHT
- High wind warnings in effect tonight through Saturday for the
wind prones and areas immediately along the lee side of the
Laramie range
- 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.
$$
Hazardous Weather Outlook
National Weather Service North Platte NE
234 PM CST Fri Dec 5 2025
NEZ004>010-022>029-035>038-056>059-069>071-094-062045-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-Grant-
Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-Logan-
Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
234 PM CST Fri Dec 5 2025 /134 PM MST Fri Dec 5 2025/
This Hazardous Weather Outlook is for portions of western and north
central Nebraska.
.DAY ONE...This afternoon and tonight.
A few light showers are possible across far north central Nebraska.
While precipitation should largely fall as rain, a few instances of
snow will be possible, though no accumulations are expected.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Precipitation chances return early Saturday as a disturbance moves
out of Wyoming. Precipitation initially may fall as a wintry mix
with an eventual transition to all snow by late morning continuing
through the afternoon. At this time, accumulations appear to be
limited to far north central Nebraska. Up to one inch of snow is
possible for portions of Boyd and Holt Counties and little to no
accumulations elsewhere. Folks traveling during the day Saturday
should closely monitor for rapidly changing weather conditions.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1047 AM MST Fri Dec 5 2025
COZ030>051-061800-
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-
1047 AM MST Fri Dec 5 2025
This hazardous weather outlook is for northeast and north central
Colorado.
.DAY ONE...Today and Tonight
Scattered mountain snow showers will continue through this
afternoon, with slick travel conditions possible across the high
mountain passes. A brief break in the snow is expected this
evening, before snow becomes more widespread overnight tonight.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
Snow and windy conditions will prevail in the mountains Saturday.
Travel is expected to be very difficult through the mountains
Saturday due to heavy snowfall and blowing snow with road
closures possible. Conditions will slowly to improve Saturday
night, but light snow is expected to linger into Sunday with snow
covered and slick roads possible on Sunday, especially during the
morning.
For next week, periods of snow will be possible over the northern
mountains through the middle part of next week. Across the plains,
dry conditions are expected to continue, with a gradual warming
trend.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today or tonight.
$$
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...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.
$$
