High Wind Warning
URGENT - WEATHER MESSAGE
National Weather Service Denver CO
1048 AM MST Thu Dec 11 2025
COZ033>035-111900-
/O.EXP.KBOU.HW.W.0008.000000T0000Z-251211T1800Z/
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 Estes Park, Glendevey, Eisenhower Tunnel,
Rocky Mountain National Park, Winter Park, Red Feather Lakes,
Nederland, East Slopes Mosquito Range, Kenosha Mountains, Indian
Peaks, Rabbit Ears Range, Laramie and Medicine Bow Mountains, Willow
Creek Pass, Breckenridge, Berthoud Pass, Mount Blue Sky, Williams
Fork Mountains, East Slopes Southern Gore Range, and Cameron Pass
1048 AM MST Thu Dec 11 2025
...HIGH WIND WARNING WILL EXPIRE AT 11 AM MST THIS MORNING...
Recent observations across the high country have shown wind gusts
decreasing this past hour. For this reason, we will allow the High
Wind Warning to expire at 11 AM. However, gusts up to 70 mph are
still possible at the highest elevations and in our wind-prone areas
for the next couple of hours.
$$
For more information from the National Weather Service, visit
https://weather.gov/bou
MAI
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
923 AM MST Thu Dec 11 2025
WYZ113-115-120000-
/O.CON.KCYS.HW.W.0052.000000T0000Z-251212T0000Z/
Upper North Platte River Basin-Laramie Valley-
Including the cities of Bosler, Laramie, Encampment, and Saratoga
923 AM MST Thu Dec 11 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
* WHAT...West winds 30 to 45 mph with gusts up to 70 mph expected.
* WHERE...Upper North Platte River Basin and Laramie Valley.
* WHEN...Until 5 PM MST this afternoon.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
* ADDITIONAL DETAILS...Occasional breaks or lulls in the winds are
anticipated.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
923 AM MST Thu Dec 11 2025
WYZ110-116-120045-
/O.CON.KCYS.HW.W.0052.000000T0000Z-251212T1200Z/
North Snowy Range Foothills-South Laramie Range-
Including the cities of Arlington, Buford, Elk Mountain, Pumpkin
Vine, and Vedauwoo
923 AM MST Thu Dec 11 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...
* WHAT...West winds 40 to 50 mph with gusts up to 80 mph.
* 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
923 AM MST Thu Dec 11 2025
WYZ106-117-120045-
/O.CON.KCYS.HW.W.0052.000000T0000Z-251212T0700Z/
Central Laramie Range and Southwest Platte County-South Laramie
Range Foothills-
Including the cities of Bordeaux, Whitaker, Horse Creek, and
Federal
923 AM MST Thu Dec 11 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT...
* WHAT...West winds 30 to 50 mph with gusts up to 80 mph expected.
* WHERE...Bordeaux area along Interstate 25 between Chugwater and
Wheatland, and South Laramie Range Foothills.
* WHEN...Until midnight MST tonight.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
* ADDITIONAL DETAILS...Occasional breaks or lulls in the winds are
anticipated.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A High Wind Warning means a hazardous high wind event is expected or
occurring. Sustained wind speeds of at least 40 MPH or gusts of 58
MPH or stronger can lead to property damage.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
923 AM MST Thu Dec 11 2025
WYZ107-118-120000-
/O.CON.KCYS.HW.W.0052.000000T0000Z-251212T0000Z/
East Platte County-Central Laramie County-
Including the cities of Guernsey, Wheatland, and Cheyenne
923 AM MST Thu Dec 11 2025
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...
* WHAT...West winds 35 to 45 mph with gusts up to 75 mph.
* WHERE...Central Laramie County and East Platte County.
* WHEN...Until 5 PM MST this 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 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.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
440 AM MST Thu Dec 11 2025
WYZ019-020-022-030-120000-
/O.EXT.KRIW.HW.W.0013.000000T0000Z-251212T0000Z/
Green Mountains and Rattlesnake Range-Natrona County Lower
Elevations-Casper Mountain-East Sweetwater County-
Including the cities of Casper, Wamsutter, and Jeffrey City
440 AM MST Thu Dec 11 2025
...HIGH WIND WARNING NOW IN EFFECT UNTIL 5 PM MST THIS AFTERNOON...
* WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph.
* WHERE...Casper Mountain, Green Mountains and Rattlesnake Range,
Natrona County Lower Elevations, and East Sweetwater County.
* WHEN...Until 5 PM MST this afternoon.
* IMPACTS...Travel will be difficult, especially for high profile
vehicles.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Use caution if you must drive.
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/riw/ .
TL
Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Pueblo CO
1038 AM MST Thu Dec 11 2025
COZ226>230-120000-
/O.NEW.KPUB.FW.W.0044.251211T1738Z-251212T0000Z/
Northern El Paso County Including Monument and Black Forest-
Southern El Paso County Including Fort Carson and Colorado
Springs-Pueblo County Including Pueblo-
Huerfano County Including Walsenburg-
Western Las Animas County Including Trinidad and Thatcher-
1038 AM MST Thu Dec 11 2025
...RED FLAG WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 226,
227, 228, 229, AND 230...
The National Weather Service in Pueblo has issued a Red Flag
Warning for gusty winds and low relative humidity, which is in
effect until 5 PM MST this afternoon.
* AFFECTED AREA...Fire Weather Zones 226, 227, 228, 229 and 230.
* WINDS...Northwest 10 to 20 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 12 percent.
* IMPACTS...Fires will catch and spread quickly. Exercise
extreme caution with any outdoor burning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Denver/Boulder CO
816 AM MST Thu Dec 11 2025
COZ216-238>243-245>247-112330-
/O.NEW.KBOU.FW.W.0028.251211T1516Z-251212T0000Z/
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Larimer County Below 6000 Feet/Northwest Weld County-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Northeast Weld County-Central and South Weld County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
816 AM MST Thu Dec 11 2025
...RED FLAG WARNING IN EFFECT UNTIL 5 PM MST THIS AFTERNOON FOR
WIND AND LOW RELATIVE HUMIDITY FOR THE LOWER FOOTHILLS, I-25
CORRIDOR AND ADJACENT PLAINS...
The National Weather Service in Denver has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
until 5 PM MST this afternoon.
* AFFECTED AREA...Fire Weather Zones 216, 238, 239, 240, 241,
242, 243, 245, 246 and 247.
* TIMING...Until 5 PM MST this afternoon.
* WINDS...West 15 to 25 mph with gusts up to 45 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* IMPACTS...Conditions will be favorable for rapid fire spread.
Avoid outdoor burning and any activity that may produce a
spark and start a wildfire.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Cheyenne WY
524 AM MST Thu Dec 11 2025
WYZ101-103>107-109>119-121230-
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-East Laramie County-
524 AM MST Thu Dec 11 2025
This hazardous weather outlook is for portions of east central
Wyoming...south central Wyoming and southeast Wyoming.
.DAY ONE...TODAY AND TONIGHT
An arctic cold front will slide south across the region later
today and this evening. Temperatures are expected to drop by 30 to
40 degrees.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
Some light snow expected behind the arctic front. Snow
accumulations will generally be less than 2 inches.
.Spotter information statement...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Riverton WY
219 AM MST Thu Dec 11 2025
WYZ001>020-022>030-121400-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-
Southeast Bighorn Basin-Owl Creek and Bridger Mountains-
Bighorn Mountains West-Bighorn Mountains Southeast-
Northeast Johnson County-Southeast Johnson County-
Teton and Gros Ventre Mountains-Jackson Hole-
Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
219 AM MST Thu Dec 11 2025
...High Wind Warning until 5 am this morning from Rock Springs
through Casper...
This Hazardous Weather Outlook is for Western and Central Wyoming.
.DAY ONE...Today and Tonight.
Strong wind this morning will gradually decrease through the day.
Rain will change to snow across northern Wyoming tonight.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Friday...Light snow continuing in northern Wyoming.
Tuesday and Wednesday...Chances for snow returning to western
Wyoming. Strong wind possible East of the Divide.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
$$
