High Wind Warning
URGENT - WEATHER MESSAGE
National Weather Service North Platte NE
1110 AM CST Tue Dec 9 2025
NEZ004-022-100000-
/O.CON.KLBF.HW.W.0007.000000T0000Z-251210T0000Z/
Sheridan-Garden-
Including the cities of Oshkosh, Lewellen, Rushville, and Gordon
1010 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
* WHAT...West to northwest winds 25 to 35 mph with gusts up to 60
mph expected.
* WHERE...Garden and Sheridan Counties.
* WHEN...Until 5 PM MST this afternoon.
* IMPACTS...Travel may be difficult, especially for high profile
vehicles.
$$
URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
859 AM MST Tue Dec 9 2025
WYZ019-020-022-027>030-092100-
/O.CON.KRIW.HW.W.0013.000000T0000Z-251211T1200Z/
Green Mountains and Rattlesnake Range-Natrona County Lower
Elevations-Casper Mountain-South Lincoln County-Rock Springs and
Green River-Flaming Gorge-East Sweetwater County-
Including the cities of Casper, Green River, Jeffrey City,
Cokeville, Kemmerer, Wamsutter, and Rock Springs
859 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY...
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected.
Localized gusts up to 70 to 75 mph possible.
* WHERE...Casper Mountain, Green Mountains and Rattlesnake Range,
Natrona County Lower Elevations, Sweetwater County and South
Lincoln County. Strongest winds are expected along South Pass and
higher peaks of the Green Mountains and Rattlesnake Range.
* WHEN...Through 5 AM MST Thursday. The strongest wind will occur
during the daytime hours with a lull in the wind possible on
Tuesday night.
* IMPACTS...Travel will be difficult, especially for high profile
vehicles.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Use caution if you must drive. Secure loose objects.
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/riw/ .
Dziewaltowski
URGENT - WEATHER MESSAGE
National Weather Service Denver CO
328 AM MST Tue Dec 9 2025
COZ033>035-092200-
/O.CON.KBOU.HW.W.0007.000000T0000Z-251210T0700Z/
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-
Including the cities of Nederland, Willow Creek Pass, Indian Peaks,
Williams Fork Mountains, Cameron Pass, Eisenhower Tunnel, Glendevey,
Rabbit Ears Range, Breckenridge, Berthoud Pass, Red Feather Lakes,
Rocky Mountain National Park, Estes Park, East Slopes Mosquito Range,
East Slopes Southern Gore Range, Kenosha Mountains, Laramie and
Medicine Bow Mountains, Winter Park, and Mount Blue Sky
328 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT...
* WHAT...West winds 35 to 50 mph with gusts 80 to 90 mph possible.
* WHERE...Front Range mountains and northern foothills. Strongest
winds will be north of I-70 and east of the Continental Divide.
* WHEN...Until midnight MST tonight.
* IMPACTS...Damaging winds will blow down trees and power lines.
Power outages are possible. Travel will be difficult, especially
for high profile vehicles.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
People are urged to secure loose objects that could be blown around
or damaged by the wind.
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/bou
22
URGENT - WEATHER MESSAGE
National Weather Service Denver CO
328 AM MST Tue Dec 9 2025
COZ038-039-042-092200-
/O.UPG.KBOU.HW.A.0005.251209T1300Z-251210T0700Z/
/O.EXA.KBOU.HW.W.0007.000000T0000Z-251210T0700Z/
Larimer County Below 6000 Feet/Northwest Weld County-Boulder And
Jefferson Counties Below 6000 Feet/West Broomfield County-
Northeast Weld County-
Including the cities of Arvada, Grover, Pawnee Buttes, Briggsdale,
Loveland, Lakewood, Nunn, Fort Collins, Stoneham, Boulder, Golden,
Longmont, Raymer, and Hereford
328 AM MST Tue Dec 9 2025
...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MST TONIGHT...
* WHAT...West winds 25 to 35 mph with gusts 60 to 75 mph possible.
* WHERE...Fort Collins, Boulder and the western suburbs of Denver, as
well as northern Weld County. Strongest winds will be near the base
of the foothills, including the Highway 93 corridor, and along the
Cheyenne Ridge.
* WHEN...Until midnight MST tonight.
* IMPACTS...Damaging winds could blow down trees and power lines.
Travel could be difficult, especially for high profile vehicles.
New fires may spread rapidly in northern Weld County or any areas
with little to no snow cover.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
People are urged to secure loose objects that could be blown around
or damaged by the wind.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
305 AM MST Tue Dec 9 2025
NEZ002-003-019>021-054-055-095-096-100000-
/O.CON.KCYS.HW.W.0053.251209T1200Z-251210T0300Z/
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-Northern Sioux
County-Southern Sioux County-
Including the cities of Scottsbluff, Harrisburg, Bayard, Chadron
St Park, Kimball, Redington, Sidney, Chadron, Brownson, Agate,
Bridgeport, Angora, Harrison, Gering, Hemingford, and Alliance
305 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING...
* WHAT...West winds 30 to 45 mph with gusts up to 65 mph expected.
* WHERE...Banner County, Box Butte County, Cheyenne County, Dawes
County, Kimball County, Morrill County, Northern Sioux County,
Scotts Bluff County, and Southern Sioux County.
* WHEN...Until 8 PM MST this evening.
* 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.
&&
$$
MN
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
305 AM MST Tue Dec 9 2025
WYZ101-100000-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0300Z/
/O.CON.KCYS.HW.A.0045.251210T1800Z-251211T1500Z/
Converse County Lower Elevations-
Including the cities of Deer Creek, Bill, Douglas, and Glenrock
305 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING...
...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...
* WHAT...West winds 30 to 40 mph with gusts up to 70 mph expected
through Tuesday afternoon. Then, after a break, west winds 20 to
30 mph with gusts up to 60 mph possible Wednesday afternoon into
Thursday morning.
* WHERE...Converse County Lower Elevations.
* WHEN...For the High Wind Warning, until 8 PM MST this evening. For
the High Wind Watch, from Wednesday morning through Thursday
morning.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
305 AM MST Tue Dec 9 2025
WYZ102-108-119-100000-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0300Z/
Niobrara County-Goshen County-East Laramie County-
Including the cities of Lusk, Torrington, Pine Bluffs, and
Redbird
305 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING...
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph.
* WHERE...Niobrara County, East Laramie County, and Goshen County.
* WHEN...Until 8 PM MST this evening.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
305 AM MST Tue Dec 9 2025
WYZ103-100000-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0700Z/
North Laramie Range-
Including the cities of Garrett
305 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT...
* WHAT...West winds 35 to 55 mph with gusts up to 90 mph expected.
* WHERE...North Laramie Range.
* WHEN...Until midnight MST tonight.
* IMPACTS...Very strong winds will have the potential to bring down
trees and cause property damage.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
305 AM MST Tue Dec 9 2025
WYZ104-109-100000-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0300Z/
/O.CON.KCYS.HW.A.0044.251210T1200Z-251211T1200Z/
Ferris/Seminoe/Shirley Mountains-Central Carbon County-
Including the cities of Rawlins and Seminoe Dam
305 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING...
...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE
WEDNESDAY NIGHT...
* WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph
expected through Tuesday evening. Then, after a break, southwest
winds 30 to 40 mph with gusts up to 60 mph possible Wednesday into
early Thursday morning.
* WHERE...Central Carbon County and Ferris/Seminoe/Shirley Mountains.
* WHEN...For the High Wind Warning, until 8 PM MST this evening. For
the High Wind Watch, from late tonight through late Wednesday
night.
* 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.
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
305 AM MST Tue Dec 9 2025
WYZ105-100000-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0300Z/
/O.CON.KCYS.HW.A.0044.251210T1500Z-251211T1500Z/
Shirley Basin-
Including the cities of Shirley Basin and Medicine Bow
305 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING...
...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected
through Tuesday evening. Then, after a break, west winds 30 to 40
mph with gusts up to 65 mph possible Wednesday into early Thursday
morning.
* WHERE...Shirley Basin.
* WHEN...For the High Wind Warning, until 8 PM MST this evening. For
the High Wind Watch, from Wednesday morning through Thursday
morning.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
305 AM MST Tue Dec 9 2025
WYZ106-117-100000-
/O.UPG.KCYS.HW.A.0044.251210T1500Z-251211T1500Z/
/O.EXB.KCYS.HW.W.0052.251210T1600Z-251212T0700Z/
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0700Z/
Central Laramie Range and Southwest Platte County-South Laramie
Range Foothills-
Including the cities of Bordeaux, Whitaker, Horse Creek, and
Federal
305 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT...
...HIGH WIND WARNING IN EFFECT FROM 9 AM WEDNESDAY TO MIDNIGHT MST
THURSDAY NIGHT...
* WHAT...West winds 35 to 55 mph with gusts up to 90 mph through
Tuesday evening. Then, after a break overnight, west winds 35 to
50 mph with gusts up to 80 mph expected Wednesday late morning
through Thursday night.
* WHERE...Bordeaux area along Interstate 25 between Chugwater and
Wheatland, and South Laramie Range Foothills.
* WHEN...For the first High Wind Warning, until midnight MST
tonight. For the second High Wind Warning, from 9 AM Wednesday to
midnight MST Thursday Night.
* 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.
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
305 AM MST Tue Dec 9 2025
WYZ107-118-100000-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0700Z/
/O.CON.KCYS.HW.A.0044.251210T1800Z-251211T1500Z/
East Platte County-Central Laramie County-
Including the cities of Guernsey, Wheatland, and Cheyenne
305 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT...
...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...
* WHAT...West winds 35 to 45 mph with gusts up to 75 mph expected
through Tuesday evening. Then, after a break, west winds 35 to 45
mph with gusts up to 70 mph possible Wednesday afternoon into
early Thursday morning.
* WHERE...Central Laramie County and East Platte County.
* WHEN...For the High Wind Warning, until midnight MST tonight. For
the High Wind Watch, from Wednesday morning through Thursday
morning.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
305 AM MST Tue Dec 9 2025
WYZ110-116-100000-
/O.CON.KCYS.HW.W.0052.000000T0000Z-251212T1200Z/
North Snowy Range Foothills-South Laramie Range-
Including the cities of Arlington, Buford, Pumpkin Vine,
Vedauwoo, and Elk Mountain
305 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...
* WHAT...West winds 35 to 55 mph with gusts up to 90 mph through
Tuesday evening. Then, after a possible short break, west winds 35
to 50 mph with gusts up to 75 mph expected Wednesday into early
Friday.
* WHERE...North Snowy Range Foothills and South Laramie Range.
* WHEN...Until 5 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...This will be a long duration wind event. Wind
gusts exceeding 60 mph are expected periodically through Friday
morning. Certain time periods will have the potential for gusts of
up to 90 mph, but this threat will not be present for the entire
time period.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
305 AM MST Tue Dec 9 2025
WYZ113-115-100000-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0700Z/
/O.CON.KCYS.HW.A.0044.251210T1500Z-251211T1500Z/
Upper North Platte River Basin-Laramie Valley-
Including the cities of Saratoga, Laramie, Bosler, and Encampment
305 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT...
...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...
* WHAT...West winds 40 to 50 mph with gusts up to 75 mph expected
through Tuesday evening. Then, after a break, west winds 35 to 45
mph with gusts up to 70 mph possible Wednesday through early
Thursday morning.
* WHERE...Upper North Platte River Basin and Laramie Valley.
* WHEN...For the High Wind Warning, until midnight MST tonight. For
the High Wind Watch, from Wednesday morning through Thursday
morning.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
305 AM MST Tue Dec 9 2025
WYZ114-100000-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0700Z/
Snowy Range-
Including the cities of Centennial and Albany
305 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT...
* WHAT...West winds 35 to 45 mph with gusts up to 90 mph expected.
* WHERE...Snowy Range.
* WHEN...Until midnight MST tonight.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
* ADDITIONAL DETAILS...Very strong winds will have the potential to
bring down trees and cause property damage.
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 Rapid City SD
234 AM MST Tue Dec 9 2025
SDZ001-002-012>014-025>027-030>032-041>044-046-047-049-072>078-
WYZ060-100045-
/O.CON.KUNR.HW.W.0009.251209T1500Z-251210T0900Z/
Harding-Northern Perkins-Butte-Northern Meade Co Plains-Ziebach-
Northern Foothills-Rapid City-Southern Foothills-Custer Co Plains-
Pennington Co Plains-Haakon-Western Fall River-Northern Oglala
Lakota-Northern Jackson-Bennett-Mellette-Todd-Tripp-
Sturgis/Piedmont Foothills-Southern Meade Co Plains-Hermosa
Foothills-Eastern Fall River-Southern Oglala Lakota-Southern
Jackson-Southern Perkins-Northeastern Crook-
Including the cities of Newell, Red Owl, Belle Fourche Reservoir,
Lemmon, Zeona, Shadehill, Colome, Provo, Howes, Ardmore, Hermosa,
Mud Butte, Opal, Tuthill, Philip, Spearfish, Union Center,
Ellsworth AFB, Oral, Batesland, Hoover, Fruitdale, Long Valley,
Mission, Rosebud, Elm Springs, Usta, Parmelee, Sorum, Buffalo,
Meadow, Enning, Camp Crook, Vale, Folsom, Martin, Smithwick,
Wasta, Fairburn, Allen, Glad Valley, Belle Fourche, Bison, Wood,
Saint Francis, Reva, Redig, Harrington, Wounded Knee, Dupree,
Manderson, White River, Tilford, Potato Creek, Winner, Oelrichs,
Aladdin, Faith, Pine Ridge, Black Hawk, Cottonwood, Ladner,
Witten, Wanblee, Midland, Kyle, Cedar Butte, Summerset, Angostura
Reservoir, White Owl, Oglala, Edgemont, Box Elder, Saint Onge,
Colony, Beulah, Prairie City, Rockyford, Ideal, Milesville,
Quinn, Whitewood, Interior, Sharps Corner, Piedmont, Buffalo Gap,
New Underwood, Wall, Porcupine, Norris, South Eagle Butte,
Belvidere, Caputa, Kadoka, Ludlow, Hot Springs, Hamill, Cherry
Creek, Rumford, Sturgis, Scenic, and Rapid City
234 AM MST Tue Dec 9 2025 /334 AM CST Tue Dec 9 2025/
...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM MST /9 AM CST/ THIS
MORNING TO 2 AM MST /3 AM CST/ WEDNESDAY...
* WHAT...Northwest winds 35 to 45 mph with gusts up to 65 mph
expected.
* WHERE...Portions of northwestern, south central, and southwestern
South Dakota and northeast Wyoming.
* WHEN...From 8 AM MST /9 AM CST/ this morning to 2 AM MST /3 AM
CST/ Wednesday.
* IMPACTS...The high winds may blow down large trees and damage
roofs, small outbuildings, and signs. Power outages are possible.
Travel could be difficult, especially for high profile vehicles.
Strong winds can cause blowing dust, reduced visibility, and
flying debris.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A high wind warning means 40 mph winds, or gusts over 60 mph, are
expected or occurring. If you are outdoors, watch for flying or
falling objects that may injure you. Use caution if you must drive.
&&
$$
Calderon
Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
859 AM MST Tue Dec 9 2025
WYZ008-100200-
/O.CON.KRIW.WW.Y.0036.000000T0000Z-251211T0000Z/
Bighorn Mountains West-
859 AM MST Tue Dec 9 2025
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
WEDNESDAY...
* WHAT...Snow. Additional snow accumulations up to 12 to 20 inches
across higher peaks in the northern part of the Range, including
along Granite Pass. Around 6 to 12 inches across Powder River
Pass. 1 to 3 inches of snow possible across the southern part of
the Range. Winds gusting as high as 50 to 60 mph.
* WHERE...Bighorn Mountains West.
* WHEN...Until 5 PM MST Wednesday.
* IMPACTS...Travel could be very difficult across Powder River and
Granite Passes. Significant blowing and drifting of snow is
possible. Backcountry travel is not advised.
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 .
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
312 AM MST Tue Dec 9 2025
WYZ112-114-100000-
/O.NEW.KCYS.WW.Y.0037.251209T1900Z-251210T1800Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
312 AM MST Tue Dec 9 2025
...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 11 AM MST
WEDNESDAY...
* WHAT...Snow and blowing snow expected. Total snow accumulations of
6 to 12 inches above 9000 feet in elevation. Locally higher
amounts possible above 10000 feet. Winds gusting as high as 75 mph.
* WHERE...Sierra Madre Range and Snowy Range.
* WHEN...From noon today to 11 AM MST Wednesday.
* IMPACTS...Outdoor recreation could become dangerous to those
caught unprepared for hazardous winter conditions. Hunters,
hikers, and snowmobilers may become disoriented and lost due to
low visibility in falling and blowing snow.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
MN
Avalanche Watch
COZ004-031-100100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED AVALANCHE WATCH
COLORADO AVALANCHE INFORMATION CENTER
RELAYED BY NATIONAL WEATHER SERVICE DENVER/BOULDER CO
648 AM MST TUE DEC 09 2025
THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE
COLORADO AVALANCHE INFORMATION CENTER.
AVALANCHE WATCH IN EFFECT FROM 12 AM Wednesday UNTIL 5 PM WEDNESDAY
*WHAT Dangerous avalanche conditions are taking shape. Expect the Avalanche Danger
to rise to HIGH (Level 4 of 5) by early Wednesday morning.
*WHERE Park Range
*WHEN Expect dangerous avalanche conditions to begin overnight Tuesday into Wednesday
and last through Wednesday.
*IMPACTS Heavy snow and strong winds will create dangerous avalanche conditions.
Large and dangerous avalanches will be easy to trigger once the new snow accumulates.
Avalanches will run naturally.
*PRECAUTION/PREPAREDNESS ACTIONS Travel in backcountry avalanche terrain is not
recommended on Wednesday. Avoid travel on and under slopes with a slope angle steeper
than about 30 degrees. You can find more detailed information at colorado.gov/avalanche
$$
High Wind Watch
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
305 AM MST Tue Dec 9 2025
WYZ101-100000-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0300Z/
/O.CON.KCYS.HW.A.0045.251210T1800Z-251211T1500Z/
Converse County Lower Elevations-
Including the cities of Deer Creek, Bill, Douglas, and Glenrock
305 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING...
...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...
* WHAT...West winds 30 to 40 mph with gusts up to 70 mph expected
through Tuesday afternoon. Then, after a break, west winds 20 to
30 mph with gusts up to 60 mph possible Wednesday afternoon into
Thursday morning.
* WHERE...Converse County Lower Elevations.
* WHEN...For the High Wind Warning, until 8 PM MST this evening. For
the High Wind Watch, from Wednesday morning through Thursday
morning.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
305 AM MST Tue Dec 9 2025
WYZ104-109-100000-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0300Z/
/O.CON.KCYS.HW.A.0044.251210T1200Z-251211T1200Z/
Ferris/Seminoe/Shirley Mountains-Central Carbon County-
Including the cities of Rawlins and Seminoe Dam
305 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING...
...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE
WEDNESDAY NIGHT...
* WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph
expected through Tuesday evening. Then, after a break, southwest
winds 30 to 40 mph with gusts up to 60 mph possible Wednesday into
early Thursday morning.
* WHERE...Central Carbon County and Ferris/Seminoe/Shirley Mountains.
* WHEN...For the High Wind Warning, until 8 PM MST this evening. For
the High Wind Watch, from late tonight through late Wednesday
night.
* 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.
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
305 AM MST Tue Dec 9 2025
WYZ105-100000-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0300Z/
/O.CON.KCYS.HW.A.0044.251210T1500Z-251211T1500Z/
Shirley Basin-
Including the cities of Shirley Basin and Medicine Bow
305 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING...
...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph expected
through Tuesday evening. Then, after a break, west winds 30 to 40
mph with gusts up to 65 mph possible Wednesday into early Thursday
morning.
* WHERE...Shirley Basin.
* WHEN...For the High Wind Warning, until 8 PM MST this evening. For
the High Wind Watch, from Wednesday morning through Thursday
morning.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
305 AM MST Tue Dec 9 2025
WYZ107-118-100000-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0700Z/
/O.CON.KCYS.HW.A.0044.251210T1800Z-251211T1500Z/
East Platte County-Central Laramie County-
Including the cities of Guernsey, Wheatland, and Cheyenne
305 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT...
...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...
* WHAT...West winds 35 to 45 mph with gusts up to 75 mph expected
through Tuesday evening. Then, after a break, west winds 35 to 45
mph with gusts up to 70 mph possible Wednesday afternoon into
early Thursday morning.
* WHERE...Central Laramie County and East Platte County.
* WHEN...For the High Wind Warning, until midnight MST tonight. For
the High Wind Watch, from Wednesday morning through Thursday
morning.
* 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.
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
305 AM MST Tue Dec 9 2025
WYZ113-115-100000-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0700Z/
/O.CON.KCYS.HW.A.0044.251210T1500Z-251211T1500Z/
Upper North Platte River Basin-Laramie Valley-
Including the cities of Saratoga, Laramie, Bosler, and Encampment
305 AM MST Tue Dec 9 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT...
...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...
* WHAT...West winds 40 to 50 mph with gusts up to 75 mph expected
through Tuesday evening. Then, after a break, west winds 35 to 45
mph with gusts up to 70 mph possible Wednesday through early
Thursday morning.
* WHERE...Upper North Platte River Basin and Laramie Valley.
* WHEN...For the High Wind Warning, until midnight MST tonight. For
the High Wind Watch, from Wednesday morning through Thursday
morning.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
Extreme Fire Danger
Rangeland Fire Danger Statement
National Weather Service Rapid City SD
353 AM MST Tue Dec 9 2025
.DISCUSSION...Mild and windy conditions are expected today. Highs
will be in the 50s to near 60s. West/northwest winds with gusts
to 45 to 65 mph will develop, with the strongest winds across the
northwest South Dakota plains. Minimum relative humidity will be
in the 40 to 60 percent range. These conditions will support high
to extreme Grassland Fire Danger today, with the exception being
where light snow cover persists.
SDZ012-026-027-030-031-041>043-046-047-072>075-077-100115-
Butte-Rapid City-Southern Foothills-Custer Co Plains-
Pennington Co Plains-Western Fall River-Northern Oglala Lakota-
Northern Jackson-Mellette-Todd-Sturgis/Piedmont Foothills-
Southern Meade Co Plains-Hermosa Foothills-Eastern Fall River-
Southern Jackson-
Including the cities of Belle Fourche, Newell, Vale, Fruitdale,
Belle Fourche Reservoir, Hoover, Rapid City, Hot Springs,
Angostura Reservoir, Folsom, Box Elder, Caputa, New Underwood,
Wasta, Wall, Scenic, Quinn, Ardmore, Edgemont, Provo, Rumford,
Kyle, Rockyford, Sharps Corner, Kadoka, Cottonwood, Interior,
Belvidere, White River, Wood, Norris, Cedar Butte, Mission,
Rosebud, Saint Francis, Parmelee, Sturgis, Piedmont, Black Hawk,
Summerset, Tilford, Ellsworth AFB, Union Center, Elm Springs,
Enning, White Owl, Hermosa, Buffalo Gap, Fairburn, Oral,
Oelrichs, Smithwick, Long Valley, Wanblee, and Potato Creek
353 AM MST Tue Dec 9 2025 /453 AM CST Tue Dec 9 2025/
...EXTREME FIRE DANGER...
The grassland fire danger index will reach the extreme category
this afternoon. Extreme weather conditions and very low moisture
content of grasses, and other dry organic material on the ground,
indicate that critical burning conditions exist. All fires have
the potential to become large and spread quickly becoming erratic
with extreme behavioral characteristics. No outdoor burning
should take place.
The outlook for Wednesday afternoon, The grassland fire danger
index will reach the low category to moderate category.
$$
Air Quality Alert
SDZ026-100700-
Rapid City-
Including the city of Rapid City
601 AM MST Tue Dec 9 2025
...AIR POLLUTION ALERT FOR DUST FOR RAPID CITY WEST OF THE GAP IN
EFFECT FROM 10 AM THIS MORNING TO MIDNIGHT MST TONIGHT...
The following message is transmitted in collaboration with the
South Dakota Department of Agriculture and Natural Resources.
* WHAT...Northwest winds of 20 to 35 mph with gusts up to 60 mph.
* WHERE...West of the Gap in Rapid City.
* WHEN...Today and this evening.
IMPACTS...The gusty winds will suspend fine dust in the air and
produce poor air quality.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
The Rapid City Air Quality Office recommends the elderly, young,
and anyone with respiratory problems avoid excessive physical
exertion and exposure to the outside air.
Voluntary actions to reduce dust pollution include, ceasing or
reducing the manipulation of soil in construction, industrial,
and agricultural activities, and increasing the use of pollution
controls for soil stabilization, waste pits, stock piles, and
construction sites.
&&
Hourly dust concentrations are available on the danr web page
http://danr.sd.gov/Environment/AirQuality/AirMonitoring/
RealTimeData.aspx
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Cheyenne WY
456 AM MST Tue Dec 9 2025
NEZ002-003-019>021-054-055-095-096-WYZ101>119-101200-
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-
456 AM MST Tue Dec 9 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
- Damaging winds are expected near and in the lee of southeast
Wyoming mountain ranges through Tuesday afternoon. Gusts up
to 90 mph are expected.
- Cheyenne, Laramie, Rawlins, Wheatland, and Douglas can expect
wind gusts up to 75 mph through the day today.
- Wind gusts up to 65 mph are expected to spread into High
Plains mid morning into the afternoon.
- A cold front will bring a banded rain and snow showers late
this afternoon through the evening. This will also bring a
brief reprieve from the wind into Wednesday morning.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
- Another strong wind event is expected to begin during the day
Wednesday and last at least into Thursday, and possibly Friday.
.Spotter information statement...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Rapid City SD
435 AM MST Tue Dec 9 2025
SDZ025>027-030-031-041>044-046-047-049-072-074>077-WYZ060-101400-
Northern Foothills-Rapid City-Southern Foothills-Custer Co Plains-
Pennington Co Plains-Western Fall River-Northern Oglala Lakota-
Northern Jackson-Bennett-Mellette-Todd-Tripp-
Sturgis/Piedmont Foothills-Hermosa Foothills-Eastern Fall River-
Southern Oglala Lakota-Southern Jackson-Northeastern Crook-
435 AM MST Tue Dec 9 2025 /535 AM CST Tue Dec 9 2025/
This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.
.DAY ONE...Today and Tonight
Northwest winds will become strong today, with gusts of 50 to 65
mph. See the High Wind Warning (NPWUNR) for more information.
The Grassland Fire Danger will be in the high to extreme category
today.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Unsettled and colder weather is expected for the second half of
the week, with daily chances of snow. Amounts are still uncertain
but could be moderate in some areas.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today.
&&
Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity
$$
Hazardous Weather Outlook
National Weather Service Rapid City SD
435 AM MST Tue Dec 9 2025
SDZ024-028-029-WYZ054>059-101400-
Northern Black Hills-Central Black Hills-Southern Black Hills-
Northern Campbell-Southern Campbell-Western Crook-
Wyoming Black Hills-Weston County Plains-Newcastle-
435 AM MST Tue Dec 9 2025
This Hazardous Weather Outlook is for portions of the Black Hills
of South Dakota...northeast Wyoming...and the Black Hills of
Wyoming.
.DAY ONE...Today and Tonight
Northwest winds will become strong today, with gusts of 45 to 55
mph.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Unsettled and colder weather is expected for the second half of
the week, with daily chances of snow. Amounts are still uncertain
but could be moderate in some areas.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today.
&&
Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity
$$
Hazardous Weather Outlook
National Weather Service Grand Junction CO
356 AM MST Tue Dec 9 2025
COZ001>014-017>023-UTZ022>025-027>029-101100-
Lower Yampa River Basin-Central Yampa River Basin-
Roan and Tavaputs Plateaus-Elkhead and Park Mountains-
Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-Grand and Battlement Mesas-
Gore and Elk Mountains/Central Mountain Valleys-
Central Gunnison and Uncompahgre River Basin-
West Elk and Sawatch Mountains-Flat Tops-Upper Gunnison River Valley-
Uncompahgre Plateau and Dallas Divide-Northwest San Juan Mountains-
Southwest San Juan Mountains-Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
San Juan River Basin-Southeast Utah-Eastern Uinta Mountains-
Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat-
La Sal and Abajo Mountains-Canyonlands/Natural Bridges-
356 AM MST Tue Dec 9 2025
This Hazardous Weather Outlook is for northwest Colorado, southwest
Colorado, west central Colorado, east central Utah, northeast Utah
and southeast Utah.
.DAY ONE...Today and tonight.
The northern Colorado mountains will see one last snow this afternoon
and overnight with accumulation of over six inches at the highest
elevations of the Park Range. Expect winter driving conditions
possible overnight on Rabbit Ears Pass with minimal if any impacts.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Snow ends in the northern Colorado mountains by about noon Wednesday.
Warm and dry weather moves in for the rest of the week into early
next week.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected today or tonight, however
spotters are encouraged to report snowfall amounts to the
National Weather Service in Grand Junction.
$$
Hazardous Weather Outlook
National Weather Service North Platte NE
423 AM CST Tue Dec 9 2025
NEZ004>010-022>029-035>038-056>059-069>071-094-101030-
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-
423 AM CST Tue Dec 9 2025 /323 AM MST Tue Dec 9 2025/
This Hazardous Weather Outlook is for portions of western and north
central Nebraska.
.DAY ONE...Today and tonight.
Strong westerly winds this afternoon of 25 to 35 mph gusting
up to 55 mph mainly near and west of Highway 83.
A fast moving cold front moves through this evening, with northwest
winds at 25 to 35 mph with gusts up to 55 mph tonight. The strongest
winds tonight are expected near and east of a line from Valentine
through Broken Bow.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Light snow will be possible periodically Wednesday night through
Saturday morning. At this time, little to no accumulations are
expected.
Below zero wind chills are expected mainly during the early morning
hours Friday through Sunday across north central Nebraska.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Riverton WY
248 AM MST Tue Dec 9 2025
WYZ001>020-022>030-101400-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
248 AM MST Tue Dec 9 2025
...WINTER STORM WARNINGS REMAIN IN EFFECT FROM 5 PM THIS AFTERNOON
TO 5 PM MST WEDNESDAY...
...HIGH WIND WARNING IN EFFECT THROUGH WEDNESDAY EVENING...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and tonight.
Moderate to heavy snowfall continues for western mountains. Please
see Winter Weather Products and forecasts for details.
Strong to high wind developing from Kemmerer through Rock Springs
and into Natrona County. Please see High Wind Warnings for
details.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Wednesday and Thursday...Snow likely in the western and northern
mountains. Strong to high wind continuing in southern Wyoming.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1038 AM MST Mon Dec 8 2025
COZ030>051-091745-
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-
1038 AM MST Mon Dec 8 2025
This hazardous weather outlook is for northeast and north central
Colorado.
.DAY ONE...Today and Tonight
The mountains and foothills will see strengthening winds tonight,
particularly after midnight, when a High Wind Warning goes into
effect. Wind-prone locations, especially north of I-70 and east
of the Continental Divide, are expected to see gusts 65 to 85 mph
through sunrise Tuesday. Travel will be difficult for high profile
vehicles, and damage to trees and powerlines will be possible.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday
Strong winds will continue across the mountains and foothills,
peaking during the day Tuesday with maximum gusts 75 to 90 mph.
At times, some of these winds may spread into adjacent lower
elevations, especially west of I-25 near the base of the
foothills, and across northern Larimer and Weld Counties.
Light snow expected Wednesday and Thursday for the northern
mountains. Strong winds return Wednesday night into Thursday
morning, with gusts up to 75 mph possible at times across the high
country. Wind-prone areas could see gusty winds as well along the
foothills.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today or tonight.
$$
