High Wind Warning
URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
437 AM MST Mon Dec 8 2025
WYZ019-020-022-027>030-090245-
/O.CON.KRIW.HW.W.0013.251209T0600Z-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 Green River, Wamsutter, Kemmerer, Casper,
Cokeville, Jeffrey City, and Rock Springs
437 AM MST Mon Dec 8 2025
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 5
AM MST THURSDAY...
* WHAT...West winds 35 to 45 mph with gusts up to 65 mph expected.
Gusts to 70 mph are possible in Sweetwater County.
* WHERE...Casper Mountain, Green Mountains and Rattlesnake Range,
Natrona County Lower Elevations, East Sweetwater County, Flaming
Gorge, Rock Springs and Green River, and South Lincoln County.
* WHEN...From 11 PM this evening to 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...
Remain in the lower levels of your home during the windstorm, and
avoid windows. Watch for falling debris and tree limbs. Use caution
if you must drive.
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/riw/ .
Hattings
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
WYZ101-090000-
/O.UPG.KCYS.HW.A.0044.251209T1200Z-251210T0000Z/
/O.NEW.KCYS.HW.W.0053.251209T0700Z-251210T0300Z/
/O.NEW.KCYS.HW.A.0045.251210T1800Z-251211T1500Z/
Converse County Lower Elevations-
Including the cities of Glenrock, Douglas, Bill, and Deer Creek
253 AM MST Mon Dec 8 2025
...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 PM MST
TUESDAY...
...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY
MORNING...
* WHAT...Monday night and Tuesday, west winds 30 to 40 mph with
gusts up to 70 mph expected. Wednesday into early Thursday, west
winds 20 to 30 mph with gusts up to 60 mph possible.
* WHERE...Converse County Lower Elevations.
* WHEN...For the High Wind Warning, from midnight tonight to 8 PM
MST Tuesday. For the High Wind Watch, from Wednesday morning
through Thursday morning.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
WYZ103-090000-
/O.UPG.KCYS.HW.A.0044.251209T0300Z-251211T1200Z/
/O.NEW.KCYS.HW.W.0053.251209T0700Z-251210T0700Z/
North Laramie Range-
Including the cities of Garrett
253 AM MST Mon Dec 8 2025
...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MST
TUESDAY NIGHT...
* WHAT...West winds 35 to 55 mph with gusts up to 90 mph expected.
* WHERE...North Laramie Range.
* WHEN...From midnight tonight to midnight MST Tuesday Night.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
WYZ104-109-090000-
/O.NEW.KCYS.HW.W.0053.251209T0700Z-251210T0300Z/
/O.EXT.KCYS.HW.A.0044.251210T1200Z-251211T1200Z/
Ferris/Seminoe/Shirley Mountains-Central Carbon County-
Including the cities of Seminoe Dam and Rawlins
253 AM MST Mon Dec 8 2025
...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 PM MST
TUESDAY...
...HIGH WIND WATCH NOW IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
LATE WEDNESDAY NIGHT...
* WHAT...Monday night into Tuesday, southwest winds 35 to 45 mph
with gusts up to 70 mph expected. On Wednesday, southwest winds 30
to 40 mph with gusts up to 60 mph possible.
* WHERE...Central Carbon County and Ferris/Seminoe/Shirley Mountains.
* WHEN...For the High Wind Warning, from midnight tonight to 8 PM
MST Tuesday. For the High Wind Watch, from late Tuesday night
through late Wednesday night.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
WYZ105-090000-
/O.NEW.KCYS.HW.W.0053.251209T0700Z-251210T0300Z/
/O.EXT.KCYS.HW.A.0044.251210T1500Z-251211T1500Z/
Shirley Basin-
Including the cities of Shirley Basin and Medicine Bow
253 AM MST Mon Dec 8 2025
...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 PM MST
TUESDAY...
...HIGH WIND WATCH NOW IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...
* WHAT...Monday night into Tuesday, west winds 35 to 45 mph with
gusts up to 70 mph expected. Wednesday into early Thursday, west
winds 30 to 40 mph with gusts up to 65 mph possible.
* WHERE...Shirley Basin.
* WHEN...For the High Wind Warning, from midnight tonight to 8 PM
MST Tuesday. 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
WYZ106-090000-
/O.NEW.KCYS.HW.W.0053.251209T0000Z-251210T0700Z/
/O.EXT.KCYS.HW.A.0044.251210T1500Z-251211T1500Z/
/O.CON.KCYS.HW.W.0052.000000T0000Z-251208T1800Z/
Central Laramie Range and Southwest Platte County-
Including the cities of Bordeaux
253 AM MST Mon Dec 8 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...
...HIGH WIND WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO MIDNIGHT
MST TUESDAY NIGHT...
...HIGH WIND WATCH NOW IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph through
this morning. Then, after a short break Monday afternoon, west
winds 40 to 60 mph with gusts up to 90 mph expected Monday evening
through Tuesday. For the High Wind Watch, west winds 35 to 55 mph
with gusts up to 85 mph possible.
* WHERE...Bordeaux area along Interstate 25 between Chugwater and
Wheatland.
* WHEN...For the first High Wind Warning, until 11 AM MST this
morning. For the second High Wind Warning, from 5 PM this
afternoon to midnight MST Tuesday Night. For the High Wind Watch,
from Wednesday morning through Thursday morning.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
* ADDITIONAL DETAILS...This will be a long duration wind event.
However, a few lulls or breaks are possible, first on Monday
afternoon, and second on Tuesday evening into early Wednesday
morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
WYZ107-118-090000-
/O.NEW.KCYS.HW.W.0053.251209T0700Z-251210T0700Z/
/O.EXT.KCYS.HW.A.0044.251210T1800Z-251211T1500Z/
East Platte County-Central Laramie County-
Including the cities of Wheatland, Cheyenne, and Guernsey
253 AM MST Mon Dec 8 2025
...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MST
TUESDAY NIGHT...
...HIGH WIND WATCH NOW IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...
* WHAT...Monday night into Tuesday, west winds 35 to 45 mph with
gusts up to 75 mph expected. Late Wednesday morning into early
Thursday, west winds 35 to 45 mph with gusts up to 70 mph possible.
* WHERE...Central Laramie County and East Platte County.
* WHEN...For the High Wind Warning, from midnight tonight to
midnight MST Tuesday Night. 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
WYZ110-116-090000-
/O.CAN.KCYS.HW.A.0044.251209T0000Z-251211T1800Z/
/O.EXT.KCYS.HW.W.0052.000000T0000Z-251212T1200Z/
North Snowy Range Foothills-South Laramie Range-
Including the cities of Vedauwoo, Arlington, Buford, Elk
Mountain, and Pumpkin Vine
253 AM MST Mon Dec 8 2025
...HIGH WIND WARNING NOW IN EFFECT UNTIL 5 AM MST FRIDAY...
* WHAT...Consistent west winds 30 to 50 mph with gusts to 70 mph.
Gusts of up to 90 mph are expected between 12 AM and 8PM Tuesday.
Gusts to 80 mph are possible between 5 AM Wednesday and 5 AM
Thursday.
* WHERE...North Snowy Range Foothills and South Laramie Range.
* WHEN...Until 5 AM MST Friday.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
* ADDITIONAL DETAILS...This will be a long duration wind event. Wind
gusts exceeding 60 mph are expected periodically through Friday
morning. Certain time periods will have the potential for gusts of
up to 90 mph, but this threat will not be present for the entire
time period.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
WYZ113-115-090000-
/O.NEW.KCYS.HW.W.0053.251209T0300Z-251210T0700Z/
/O.EXT.KCYS.HW.A.0044.251210T1500Z-251211T1500Z/
Upper North Platte River Basin-Laramie Valley-
Including the cities of Saratoga, Bosler, Laramie, and Encampment
253 AM MST Mon Dec 8 2025
...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO MIDNIGHT
MST TUESDAY NIGHT...
...HIGH WIND WATCH NOW IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...
* WHAT...Monday night and Tuesday, west winds 40 to 50 mph with
gusts up to 75 mph expected. Wednesday into early Thursday, west
winds 35 to 45 mph with gusts up to 70 mph possible.
* WHERE...Upper North Platte River Basin and Laramie Valley.
* WHEN...For the High Wind Warning, from 8 PM this evening to
midnight MST Tuesday Night. 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
WYZ114-090000-
/O.UPG.KCYS.HW.A.0044.251209T0600Z-251211T1200Z/
/O.NEW.KCYS.HW.W.0053.251209T0700Z-251210T0700Z/
Snowy Range-
Including the cities of Albany and Centennial
253 AM MST Mon Dec 8 2025
...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MST
TUESDAY NIGHT...
* WHAT...West winds 35 to 45 mph with gusts up to 90 mph expected.
* WHERE...Snowy Range.
* WHEN...From midnight tonight to midnight MST Tuesday Night.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
* ADDITIONAL DETAILS...Very strong winds will have the potential to
bring down trees and cause property damage.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
WYZ117-090000-
/O.NEW.KCYS.HW.W.0053.251209T0000Z-251210T0700Z/
/O.EXT.KCYS.HW.A.0044.251210T1500Z-251211T1500Z/
/O.CON.KCYS.HW.W.0052.000000T0000Z-251208T1800Z/
South Laramie Range Foothills-
Including the cities of Horse Creek, Whitaker, and Federal
253 AM MST Mon Dec 8 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...
...HIGH WIND WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO MIDNIGHT
MST TUESDAY NIGHT...
...HIGH WIND WATCH NOW IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...
* WHAT...West winds 25 to 35 mph with gusts up to 60 mph this
morning. Then, after a short break, west winds 40 to 50 mph with
gusts up to 80 mph expected Monday evening through Tuesday. For
the High Wind Watch, west winds 35 to 45 mph with gusts up to 75
mph possible.
* WHERE...South Laramie Range Foothills.
* WHEN...For the first High Wind Warning, until 11 AM MST this
morning. For the second High Wind Warning, from 5 PM this
afternoon to midnight MST Tuesday Night. 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.
* ADDITIONAL DETAILS...This will be a long duration wind event.
However, a few lulls or breaks are possible, first on Monday
afternoon, and second on Tuesday evening into early Wednesday
morning.
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.
&&
$$
High Wind Watch
URGENT - WEATHER MESSAGE
National Weather Service Denver CO
421 AM MST Mon Dec 8 2025
COZ033>035-082300-
/O.CON.KBOU.HW.A.0004.251209T0700Z-251210T0700Z/
South and East Jackson/Larimer/North and Northeast
Grand/Northwest Boulder Counties Above 9000 Feet-South and
Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear
Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer
and Boulder Counties Between 6000 and 9000 Feet-
Including the cities of Rocky Mountain National Park, Willow Creek
Pass, East Slopes Mosquito Range, Laramie and Medicine Bow Mountains,
Estes Park, Williams Fork Mountains, Nederland, East Slopes Southern
Gore Range, Glendevey, Berthoud Pass, Breckenridge, Mount Blue Sky,
Rabbit Ears Range, Eisenhower Tunnel, Red Feather Lakes, Cameron
Pass, Winter Park, Kenosha Mountains, and Indian Peaks
421 AM MST Mon Dec 8 2025
...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY EVENING...
* WHAT...West winds 30 to 45 mph with gusts 75 to 85 mph possible.
Strongest winds will be north of I-70.
* WHERE...Rocky Mountain National Park and the Medicine Bow Range,
The Mountains of Summit County, the Mosquito Range, and the Indian
Peaks, and The Northern Front Range Foothills.
* WHEN...From late tonight through Tuesday evening.
* IMPACTS...Gusty winds will blow around unsecured objects and a few
power outages may result. Patchy blowing snow will also be possible
across the higher elevations, reducing visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts and warnings for updates.
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/bou
22
URGENT - WEATHER MESSAGE
National Weather Service Rapid City SD
311 AM MST Mon Dec 8 2025
SDZ001-002-012>014-025-026-030>032-042-043-046-049-072>074-077-078-
090115-
/O.CON.KUNR.HW.A.0009.251209T1500Z-251210T0600Z/
Harding-Northern Perkins-Butte-Northern Meade Co Plains-Ziebach-
Northern Foothills-Rapid City-Custer Co Plains-Pennington Co
Plains-Haakon-Northern Oglala Lakota-Northern Jackson-Mellette-
Tripp-Sturgis/Piedmont Foothills-Southern Meade Co Plains-Hermosa
Foothills-Southern Jackson-Southern Perkins-
Including the cities of Interior, Buffalo Gap, Wall, Potato
Creek, Meadow, Spearfish, Rockyford, Rapid City, Newell,
Belvidere, Saint Onge, Opal, Ludlow, Elm Springs, Red Owl, Bison,
Prairie City, Camp Crook, Whitewood, New Underwood, Witten, White
Owl, Ladner, Wanblee, Fruitdale, South Eagle Butte, Cedar Butte,
Sharps Corner, Midland, Scenic, Cottonwood, Caputa, Ideal,
Ellsworth AFB, Enning, Quinn, Black Hawk, Vale, Folsom, Wasta,
Norris, Hermosa, Colome, Shadehill, Winner, Reva, Kyle,
Milesville, Hamill, Dupree, Cherry Creek, Piedmont, Usta,
Fairburn, Faith, Philip, White River, Tilford, Long Valley,
Buffalo, Lemmon, Kadoka, Union Center, Redig, Hoover, Wood, Mud
Butte, Zeona, Summerset, Sorum, Belle Fourche Reservoir, Box
Elder, Sturgis, Glad Valley, Howes, and Belle Fourche
311 AM MST Mon Dec 8 2025 /411 AM CST Mon Dec 8 2025/
...HIGH WIND WATCH REMAINS IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
* WHAT...Northwest winds 35 to 40 mph with gusts up to 65 mph
possible.
* WHERE...Portions of northwestern, south central, and southwestern
South Dakota.
* WHEN...From Tuesday morning through Tuesday evening.
* IMPACTS...The high winds may damage roofs, small outbuildings, and
signs. Power outages are possible. Travel could be difficult,
especially for high profile vehicles.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts and warnings for updates.
Fasten loose objects or shelter objects in a safe location prior to
the onset of winds.
&&
$$
Calderon
URGENT - WEATHER MESSAGE
National Weather Service Rapid City SD
311 AM MST Mon Dec 8 2025
SDZ027-041-044-047-075-076-WYZ060-090115-
/O.EXA.KUNR.HW.A.0009.251209T1500Z-251210T0600Z/
Southern Foothills-Western Fall River-Bennett-Todd-Eastern Fall
River-Southern Oglala Lakota-Northeastern Crook-
Including the cities of Oglala, Harrington, Porcupine, Edgemont,
Tuthill, Rumford, Colony, Batesland, Allen, Aladdin, Saint
Francis, Pine Ridge, Hot Springs, Manderson, Oelrichs, Parmelee,
Oral, Provo, Rosebud, Martin, Beulah, Wounded Knee, Mission,
Ardmore, Angostura Reservoir, and Smithwick
311 AM MST Mon Dec 8 2025 /411 AM CST Mon Dec 8 2025/
...HIGH WIND WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY
EVENING...
* WHAT...West to northwest winds 30 to 40 mph with gusts up to 60
mph possible.
* WHERE...Southern Oglala Lakota County, including portions of the
Pine Ridge Reservation, Todd County, including portions of the
Rosebud Reservation, Southern Foothills, Western Fall River,
Bennett, Eastern Fall River, and Northeastern Crook.
* WHEN...From Tuesday morning through Tuesday evening.
* IMPACTS...The high winds may damage roofs, small outbuildings, and
signs. Power outages are possible. Travel could be difficult,
especially for high profile vehicles.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts and warnings for updates.
Fasten loose objects or shelter objects in a safe location prior to
the onset of winds.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
NEZ002-003-021-055-090000-
/O.EXA.KCYS.HW.A.0044.251209T1200Z-251210T0000Z/
Dawes County-Box Butte County-Morrill County-Cheyenne County-
Including the cities of Bridgeport, Angora, Sidney, Alliance,
Brownson, Hemingford, Chadron St Park, Bayard, Chadron, and
Redington
253 AM MST Mon Dec 8 2025
...HIGH WIND WATCH IN EFFECT TUESDAY...
* WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible.
* WHERE...Box Butte County, Cheyenne County, Dawes County, and
Morrill County.
* WHEN...5 AM until 5 PM Tuesday.
* 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 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
NEZ019-020-054-095-096-090000-
/O.CON.KCYS.HW.A.0044.251209T1200Z-251210T0000Z/
Scotts Bluff County-Banner County-Kimball County-Northern Sioux
County-Southern Sioux County-
Including the cities of Harrisburg, Scottsbluff, Kimball, Agate,
Harrison, and Gering
253 AM MST Mon Dec 8 2025
...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
TUESDAY AFTERNOON...
* WHAT...West winds 30 to 45 mph with gusts up to 65 mph possible.
* WHERE...Banner County, Kimball County, Northern Sioux County,
Scotts Bluff County, and Southern Sioux County.
* WHEN...From late tonight through Tuesday afternoon.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
MN
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
WYZ101-090000-
/O.UPG.KCYS.HW.A.0044.251209T1200Z-251210T0000Z/
/O.NEW.KCYS.HW.W.0053.251209T0700Z-251210T0300Z/
/O.NEW.KCYS.HW.A.0045.251210T1800Z-251211T1500Z/
Converse County Lower Elevations-
Including the cities of Glenrock, Douglas, Bill, and Deer Creek
253 AM MST Mon Dec 8 2025
...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 PM MST
TUESDAY...
...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY
MORNING...
* WHAT...Monday night and Tuesday, west winds 30 to 40 mph with
gusts up to 70 mph expected. Wednesday into early Thursday, west
winds 20 to 30 mph with gusts up to 60 mph possible.
* WHERE...Converse County Lower Elevations.
* WHEN...For the High Wind Warning, from midnight tonight to 8 PM
MST Tuesday. 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
WYZ102-108-119-090000-
/O.EXT.KCYS.HW.A.0044.251209T0900Z-251210T0300Z/
Niobrara County-Goshen County-East Laramie County-
Including the cities of Lusk, Torrington, Pine Bluffs, and
Redbird
253 AM MST Mon Dec 8 2025
...HIGH WIND WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
EVENING...
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph possible.
* WHERE...Niobrara County, East Laramie County, and Goshen County.
* WHEN...2 AM until 8 PM Tuesday.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
WYZ104-109-090000-
/O.NEW.KCYS.HW.W.0053.251209T0700Z-251210T0300Z/
/O.EXT.KCYS.HW.A.0044.251210T1200Z-251211T1200Z/
Ferris/Seminoe/Shirley Mountains-Central Carbon County-
Including the cities of Seminoe Dam and Rawlins
253 AM MST Mon Dec 8 2025
...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 PM MST
TUESDAY...
...HIGH WIND WATCH NOW IN EFFECT FROM LATE TUESDAY NIGHT THROUGH
LATE WEDNESDAY NIGHT...
* WHAT...Monday night into Tuesday, southwest winds 35 to 45 mph
with gusts up to 70 mph expected. On Wednesday, southwest winds 30
to 40 mph with gusts up to 60 mph possible.
* WHERE...Central Carbon County and Ferris/Seminoe/Shirley Mountains.
* WHEN...For the High Wind Warning, from midnight tonight to 8 PM
MST Tuesday. For the High Wind Watch, from late Tuesday night
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
WYZ105-090000-
/O.NEW.KCYS.HW.W.0053.251209T0700Z-251210T0300Z/
/O.EXT.KCYS.HW.A.0044.251210T1500Z-251211T1500Z/
Shirley Basin-
Including the cities of Shirley Basin and Medicine Bow
253 AM MST Mon Dec 8 2025
...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 8 PM MST
TUESDAY...
...HIGH WIND WATCH NOW IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...
* WHAT...Monday night into Tuesday, west winds 35 to 45 mph with
gusts up to 70 mph expected. Wednesday into early Thursday, west
winds 30 to 40 mph with gusts up to 65 mph possible.
* WHERE...Shirley Basin.
* WHEN...For the High Wind Warning, from midnight tonight to 8 PM
MST Tuesday. For the High Wind Watch, from Wednesday morning
through Thursday morning.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
WYZ106-090000-
/O.NEW.KCYS.HW.W.0053.251209T0000Z-251210T0700Z/
/O.EXT.KCYS.HW.A.0044.251210T1500Z-251211T1500Z/
/O.CON.KCYS.HW.W.0052.000000T0000Z-251208T1800Z/
Central Laramie Range and Southwest Platte County-
Including the cities of Bordeaux
253 AM MST Mon Dec 8 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...
...HIGH WIND WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO MIDNIGHT
MST TUESDAY NIGHT...
...HIGH WIND WATCH NOW IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...
* WHAT...West winds 35 to 45 mph with gusts up to 70 mph through
this morning. Then, after a short break Monday afternoon, west
winds 40 to 60 mph with gusts up to 90 mph expected Monday evening
through Tuesday. For the High Wind Watch, west winds 35 to 55 mph
with gusts up to 85 mph possible.
* WHERE...Bordeaux area along Interstate 25 between Chugwater and
Wheatland.
* WHEN...For the first High Wind Warning, until 11 AM MST this
morning. For the second High Wind Warning, from 5 PM this
afternoon to midnight MST Tuesday Night. 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.
* ADDITIONAL DETAILS...This will be a long duration wind event.
However, a few lulls or breaks are possible, first on Monday
afternoon, and second on Tuesday evening into early Wednesday
morning.
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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
WYZ107-118-090000-
/O.NEW.KCYS.HW.W.0053.251209T0700Z-251210T0700Z/
/O.EXT.KCYS.HW.A.0044.251210T1800Z-251211T1500Z/
East Platte County-Central Laramie County-
Including the cities of Wheatland, Cheyenne, and Guernsey
253 AM MST Mon Dec 8 2025
...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MST
TUESDAY NIGHT...
...HIGH WIND WATCH NOW IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...
* WHAT...Monday night into Tuesday, west winds 35 to 45 mph with
gusts up to 75 mph expected. Late Wednesday morning into early
Thursday, west winds 35 to 45 mph with gusts up to 70 mph possible.
* WHERE...Central Laramie County and East Platte County.
* WHEN...For the High Wind Warning, from midnight tonight to
midnight MST Tuesday Night. For the High Wind Watch, from
Wednesday morning through Thursday morning.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
WYZ113-115-090000-
/O.NEW.KCYS.HW.W.0053.251209T0300Z-251210T0700Z/
/O.EXT.KCYS.HW.A.0044.251210T1500Z-251211T1500Z/
Upper North Platte River Basin-Laramie Valley-
Including the cities of Saratoga, Bosler, Laramie, and Encampment
253 AM MST Mon Dec 8 2025
...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO MIDNIGHT
MST TUESDAY NIGHT...
...HIGH WIND WATCH NOW IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...
* WHAT...Monday night and Tuesday, west winds 40 to 50 mph with
gusts up to 75 mph expected. Wednesday into early Thursday, west
winds 35 to 45 mph with gusts up to 70 mph possible.
* WHERE...Upper North Platte River Basin and Laramie Valley.
* WHEN...For the High Wind Warning, from 8 PM this evening to
midnight MST Tuesday Night. 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Mon Dec 8 2025
WYZ117-090000-
/O.NEW.KCYS.HW.W.0053.251209T0000Z-251210T0700Z/
/O.EXT.KCYS.HW.A.0044.251210T1500Z-251211T1500Z/
/O.CON.KCYS.HW.W.0052.000000T0000Z-251208T1800Z/
South Laramie Range Foothills-
Including the cities of Horse Creek, Whitaker, and Federal
253 AM MST Mon Dec 8 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...
...HIGH WIND WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO MIDNIGHT
MST TUESDAY NIGHT...
...HIGH WIND WATCH NOW IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...
* WHAT...West winds 25 to 35 mph with gusts up to 60 mph this
morning. Then, after a short break, west winds 40 to 50 mph with
gusts up to 80 mph expected Monday evening through Tuesday. For
the High Wind Watch, west winds 35 to 45 mph with gusts up to 75
mph possible.
* WHERE...South Laramie Range Foothills.
* WHEN...For the first High Wind Warning, until 11 AM MST this
morning. For the second High Wind Warning, from 5 PM this
afternoon to midnight MST Tuesday Night. For the High Wind Watch,
from Wednesday morning through Thursday morning.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
* ADDITIONAL DETAILS...This will be a long duration wind event.
However, a few lulls or breaks are possible, first on Monday
afternoon, and second on Tuesday evening into early Wednesday
morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
A High Wind Watch means there is the potential for a hazardous high
wind event. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger may occur. Continue to monitor the latest forecasts.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Cheyenne WY
442 AM MST Mon Dec 8 2025
WYZ101-103>107-109>118-091145-
Converse County Lower Elevations-North Laramie Range-
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Central Laramie Range and Southwest Platte County-
East Platte 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-
442 AM MST Mon Dec 8 2025
This hazardous weather outlook is for portions of east central
Wyoming...south central Wyoming and southeast Wyoming.
.DAY ONE...TODAY AND TONIGHT
- Snow showers and blowing snow will impact travel in the
Arlington/Elk Mountain area through Monday morning.
- Damaging winds are expected near and in the lee of southeast
Wyoming mountain ranges Monday evening through Tuesday
evening. Gusts up to 90 mph are expected.
- Cheyenne, Laramie, Rawlins, Wheatland, and Douglas can expect
wind gusts up to 75 mph tonight into Tuesday.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
- A backdoor cold front may bring a brief reprieve from the wind
along with a chance for snow showers Tuesday night into early
Wednesday before winds pick up again Wednesday.
.Spotter information statement...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Grand Junction CO
438 AM MST Mon Dec 8 2025
COZ001>014-017>023-UTZ022>025-027>029-091145-
Lower Yampa River Basin-Central Yampa River Basin-
Roan and Tavaputs Plateaus-Elkhead and Park Mountains-
Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-Grand and Battlement Mesas-
Gore and Elk Mountains/Central Mountain Valleys-
Central Gunnison and Uncompahgre River Basin-
West Elk and Sawatch Mountains-Flat Tops-Upper Gunnison River Valley-
Uncompahgre Plateau and Dallas Divide-Northwest San Juan Mountains-
Southwest San Juan Mountains-Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
San Juan River Basin-Southeast Utah-Eastern Uinta Mountains-
Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat-
La Sal and Abajo Mountains-Canyonlands/Natural Bridges-
438 AM MST Mon Dec 8 2025
This Hazardous Weather Outlook is for northwest Colorado, southwest
Colorado, west central Colorado, east central Utah, northeast Utah
and southeast Utah.
.DAY ONE...Today and tonight.
Light snow accumulations are possible over the northern and central
mountains. Winter driving conditions over the mountain can be
expected during the morning hours with improvement this afternoon as
the snow tapers off.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
The northern and portions of the central Colorado mountains are
likely to see additional periods of light snow showers through the
week as moisture continues to brush the Central Rockies. Be prepared
for impacts to travel over the Rabbit Ears and Vail Passes at times.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service North Platte NE
458 AM CST Mon Dec 8 2025
NEZ004>010-022>029-035>038-056>059-069>071-094-091100-
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-
458 AM CST Mon Dec 8 2025 /358 AM MST Mon Dec 8 2025/
This Hazardous Weather Outlook is for portions of western and north
central Nebraska.
.DAY ONE...Today and tonight.
Hazardous weather is not expected at this time.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Westerly winds on Tuesday will increase to 20 to 35 mph with gusts
to 45 mph possible.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Riverton WY
315 AM MST Mon Dec 8 2025
WYZ001>020-022>030-091400-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-
Southeast Bighorn Basin-Owl Creek and Bridger Mountains-
Bighorn Mountains West-Bighorn Mountains Southeast-
Northeast Johnson County-Southeast Johnson County-
Teton and Gros Ventre Mountains-Jackson Hole-
Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
315 AM MST Mon Dec 8 2025
...Winter Storm Watches and Warnings in effect for most of the
western mountains tonight through Wednesday...
...High Wind Warning in effect across southern Wyoming and Natrona
County from late tonight through Wednesday night...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and Tonight.
Mainly light snow in the mountains. Heavier snow moving back into
the northern mountains tonight. Please see Winter Weather Products
and forecasts for details.
Strong to high wind developing from Kemmerer through Rock Springs
and into Natrona County. Please see High Wind Warnings for
details.
.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.
Tuesday and Wednesday...Snow likely in the western and northern
mountains. Strong to high wind continuing in southern Wyoming.
Thursday night and Friday...Another chance for snow in the
northern mountains.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
