Winter Storm Warning
URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
1225 AM MST Thu Dec 4 2025
WYZ112-114-050000-
/O.NEW.KCYS.WS.W.0011.251205T0600Z-251207T1200Z/
Sierra Madre Range-Snowy Range-
Including the cities of Albany and Centennial
1225 AM MST Thu Dec 4 2025
...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 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...From 11 PM this evening to 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.
&&
$$
Fuller
High Wind Warning
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1229 AM MST Thu Dec 4 2025
WYZ106-050000-
/O.CON.KCYS.HW.W.0049.251204T1300Z-251205T1300Z/
Central Laramie Range and Southwest Platte County-
Including the cities of Bordeaux
1229 AM MST Thu Dec 4 2025
...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 6
AM MST FRIDAY...
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected.
* WHERE...Bordeaux area along Interstate 25 between Chugwater and
Wheatland.
* WHEN...From 6 AM this morning to 6 AM MST Friday.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
* ADDITIONAL DETAILS...A brief lull in the strong winds is possible
Thursday afternoon before winds pick up again Thursday evening.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1229 AM MST Thu Dec 4 2025
WYZ110-116-050000-
/O.CON.KCYS.HW.W.0049.251204T1300Z-251205T1900Z/
North Snowy Range Foothills-South Laramie Range-
Including the cities of Pumpkin Vine, Buford, Arlington,
Vedauwoo, and Elk Mountain
1229 AM MST Thu Dec 4 2025
...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO
NOON MST FRIDAY...
* 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...From 6 AM this morning to noon MST Friday.
* 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.
* ADDITIONAL DETAILS...A brief lull in the strong winds is possible
Thursday afternoon before winds pick up again Thursday evening.
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 Riverton WY
237 AM MST Thu Dec 4 2025
WYZ001-002-008-013-014-023-025-050000-
/O.NEW.KRIW.WW.Y.0034.251205T0000Z-251206T2100Z/
Yellowstone National Park-Absaroka Mountains-Bighorn Mountains
West-Jackson Hole-Wind River Mountains West-Star Valley-Upper
Green River Basin Foothills-
Including the cities of Afton, Thayne, Old Faithful, Jackson,
Alpine, Mammoth, Star Valley Ranch, Lake, and Pinedale
237 AM MST Thu Dec 4 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 2
PM MST SATURDAY...
* WHAT...Snow expected. Total snow accumulations of 6 to 10 inches
for Jackson Valley, Star Valley, and the Upper Green River Basin.
Total snow accumulations of 8 to 12 inches across Yellowstone
National Park, the Absarokas, western Wind River Mountains, and
the northern portions of the western Bighorns are expected with
the highest elevations potentially seeing up to 20 inches. Winds
gusts between 30 and 40 mph will be common across the Absarokas
with isolated gusts above 45 mph.
* WHERE...Portions of central, north central, northwest, and west
central Wyoming.
* WHEN...From 5 PM this afternoon to 2 PM MST Saturday.
* IMPACTS...Travel could become very difficult, including through
Hoback Canyon. The hazardous conditions could impact the Friday
morning and evening commutes.
* ADDITIONAL DETAILS...A brief lull in snowfall rates may occur
during the day Friday with the heaviest snowfall likely to arrive
Friday night through Saturday morning. Gusty winds look to
accompany the heavy snowfall which may create reduced visibility
and drifting snow.
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 .
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/riw/ .
Gerhardt
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.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Junction CO
200 AM MST Thu Dec 4 2025
COZ004-042145-
/O.NEW.KGJT.WW.Y.0027.251205T0600Z-251206T0000Z/
/O.NEW.KGJT.WS.A.0006.251206T0000Z-251207T1500Z/
Elkhead and Park Mountains-
Including the cities of Columbine, Hahns Peak, and Toponas
200 AM MST Thu Dec 4 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 5 PM
MST FRIDAY...
...WINTER STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SUNDAY
MORNING...
* WHAT...For the Winter Weather Advisory, snow expected. Total snow
accumulations between 4 and 8 inches mainly over the Elkhead and
Park Range. For the Winter Storm Watch, heavy snow and blowing
snow possible. Total snow accumulations between 10 and 20 inches
possible with locally higher amounts. Winds could gust as high as
40 mph.
* WHERE...Elkhead and Park Mountains.
* WHEN...For the Winter Weather Advisory, from 11 PM this evening to
5 PM MST Friday. For the Winter Storm Watch, from Friday evening
through Sunday morning.
* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Roads, and especially bridges
and overpasses, will likely become slick and hazardous. Travel
could be very difficult to impossible by early Saturday.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
Monitor the latest forecasts for updates on this situation.
Persons should consider delaying all travel. If travel is absolutely
necessary, drive with extreme caution. Consider taking a winter
storm kit along with you, including such items as tire chains,
booster cables, flashlight, shovel, blankets and extra clothing.
Also take water, a first aid kit, and anything else that would help
you survive in case you become stranded.
&&
$$
Flood Advisory
Flood Advisory
National Weather Service North Platte NE
147 PM CST Wed Dec 3 2025
...The National Weather Service in North Platte has issued a Flood
Advisory for the following rivers in Nebraska...
North Platte River at Lewellen affecting Keith and Garden
Counties.
.Recent subfreezing temperatures have led to ice jamming along the
North Platte River near Lewellen. The threat for minor flooding will
continue into the weekend as temperatures fluctuate above and below
the freezing mark. Minor flooding is possible, mainly upstream of
the Highway 26 bridge, crossing the North Platte River southeast of
Lewellen.
For the North Platte River...including Lewellen...elevated river
levels are forecast.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Please report observed flooding to local emergency services or law
enforcement and request they pass this information to the National
Weather Service when you can do so safely.
Stay tuned to further developments by listening to your local radio,
television, or NOAA Weather Radio for further information.
Additional information is available at www.weather.gov.
The next statement will be issued at 10 AM CST Thursday
morning.Thursday morning at 900 AM MST.
&&
NEC069-101-041600-
/O.NEW.KLBF.FL.Y.0005.251203T1947Z-251206T2227Z/
/LEWN1.N.IJ.000000T0000Z.000000T0000Z.000000T0000Z.NO/
1247 PM MST Wed Dec 3 2025
...FLOOD ADVISORY FOR AN ICE JAM IN EFFECT FROM THIS AFTERNOON TO
SATURDAY AFTERNOON...
* WHAT...Minor flooding caused by an ice jam is expected.
* WHERE...North Platte River at Lewellen.
* WHEN...From this afternoon to Saturday afternoon.
* IMPACTS...At 8.0 feet, Minor flood stage. Overflow and high water
table levels may cause seepage and flooding of basements and crawl
spaces near and along the river.
* ADDITIONAL DETAILS...
- At 11:45 AM MST Wednesday the stage was 8.1 feet.
- Bankfull stage is 7.5 feet.
- Recent Activity...The maximum river stage in the 24 hours
ending at 11:45 AM MST Wednesday was 8.5 feet.
- Forecast...The river is expected to remain steady above flood
stage at around 8.2 feet. Minor fluctuations are possible as
the river thaws and refreezes.
- Action stage is 7.0 feet.
- Flood stage is 8.0 feet.
- http://www.weather.gov/safety/flood
&&
LAT...LON 4136 10235 4140 10235 4130 10196 4126 10197
$$
Buttler
Dense Fog Advisory
URGENT - WEATHER MESSAGE
National Weather Service Denver CO
922 PM MST Wed Dec 3 2025
COZ038-043-044-041700-
/O.NEW.KBOU.FG.Y.0014.251204T0422Z-251204T1700Z/
Larimer County Below 6000 Feet/Northwest Weld County-Central and
South Weld County-Morgan County-
Including the cities of Brush, Fort Lupton, Greeley, Loveland, Eaton,
Goodrich, Fort Collins, Hereford, Roggen, Fort Morgan, Wiggins, and
Nunn
922 PM MST Wed Dec 3 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM MST THURSDAY...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Eastern Larimer, Central Weld, and Morgan Counties,
including Fort Collins, Greeley, and Fort Morgan.
* WHEN...Until 10 AM MST Thursday.
* IMPACTS...Low visibility will make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/bou
Winter Storm Watch
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
20
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.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Cheyenne WY
302 AM MST Thu Dec 4 2025
NEZ002-003-019>021-054-055-095-096-WYZ101>119-051015-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
302 AM MST Thu Dec 4 2025
This hazardous weather outlook is for portions of panhandle
Nebraska...east central Wyoming...south central Wyoming and
southeast Wyoming.
.DAY ONE...TODAY AND TONIGHT
- Winds will pick up again Thursday morning in the wind prone
areas. Another round of High Wind Warnings have been issued.
- Areas of blowing snow Thursday may impact travel conditions
in the wind prone areas of southeast Wyoming.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
- Prolonged period of mountain snow expected Thursday night
through Sunday Morning. Winter Storm Warnings have been issued
for Sierra Madre and Snowy Ranges.
.Spotter information statement...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Grand Junction CO
249 AM MST Thu Dec 4 2025
COZ001>014-017>023-UTZ022>025-027>029-051200-
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-
249 AM MST Thu Dec 4 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.
Light snow over Vail Pass could also lead to minor travel impacts at
times.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
The first round of snow will continue to impact the northern Colorado
mountains through Friday afternoon. A more robust round of snow and
wind will then impact the northern and more of the central mountains
of Colorado and adjacent valleys Friday night through early Sunday.
Significant accumulations are possible and travel impacts including
road closures should be planned for with this second storm. The
northern Colorado mountains are likely to see additional snow events
through much of the upcoming week as well.
.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 Denver/Boulder CO
1020 AM MST Wed Dec 3 2025
COZ030>051-041730-
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-
1020 AM MST Wed Dec 3 2025
This hazardous weather outlook is for northeast and north central
Colorado.
.DAY ONE...Today and Tonight
Snow will slowly decrease and come to an end this afternoon over
much of the area. For areas south of I-70, snow may linger into
the early evening. Additional snowfall of up to 3 inches will be
possible, heaviest in the southern foothills and over the Palmer
Divide. Travel will continue to be slow and hazardous today, with
possible deteriorating conditions towards sunset as temperatures
fall.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday
A warming trend will begin on Thursday and continue through the
long term period. Additional waves of mountain snow are expected
beginning Thursday night, with a more pronounced uptick in
accumulations starting late Friday night and Saturday. Expect some
slick conditions if traveling in the mountains through Saturday,
especially for mountain passes. Warming temperatures and dry
conditions are expected across the plains.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today or tonight.
$$
Hazardous Weather Outlook
National Weather Service Riverton WY
129 AM MST Wed Dec 3 2025
WYZ001>020-022>030-041230-
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-
129 AM MST Wed Dec 3 2025
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and Tonight.
Areas of blowing snow possible across Interstate 80 through the
morning, as winds subside.
Winds gusts of 35 to 50 mph will be possible late tonight north of
Cody and the Upper Wind River Basin.
Areas of fog will develop over portions of Yellowstone NP tonight,
and possibly spreading into northern portions of the Jackson Valley.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Thursday through Saturday night...Periods of snow will begin over
northwestern portions Thursday afternoon and spreading to far western
portions Thursday night. A break in the snow is possible Friday
afternoon, before starting again Friday night and ending late
Saturday night. Snowfall amounts of 1 to 2 feet is possible in the
western mountains and amounts approaching 12 inches in the
Jackson/Star Valleys over this 3 day period.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
