Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
917 AM MDT Sat Jul 11 2026
WYZ275-276-280>283-121300-
/O.CON.KRIW.FW.W.0016.260712T1700Z-260713T0400Z/
North Bighorn Basin/Worland BLM-Cody Foothills-
Natrona County/Casper BLM-Johnson County/Casper BLM-
South Bighorn Basin/Worland BLM-
Upper Wind River Basin/Wind River Basin-
917 AM MDT Sat Jul 11 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 10 PM MDT
SUNDAY...
* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty
Winds could cause erratic fire behavior.
* AFFECTED AREA:
In Central WY Fire Zones...280...283.
In North Central WY Fire Zones...275...276...281...282.
* COUNTIES AFFECTED:
In Central WY...Fremont...Natrona.
In North Central WY...Big Horn...Hot Springs...Johnson...Park
Washakie.
* WIND: Southeast 15 to 25 mph with gusts up to 35 mph.
* HUMIDITY: As low as 5 percent.
* TEMPERATURES: Highs 100 to 110.
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.
&&
$$
http://weather.gov/riverton
URGENT - FIRE WEATHER MESSAGE
National Weather Service Missoula MT
238 PM MDT Sat Jul 11 2026
...FIRE WEATHER WATCH IS CANCELLED FOR DEERLODGE/WEST BEAVERHEAD...
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT SUNDAY
DUE TO WIND AND LOW RELATIVE HUMIDITY FOR EAST BEAVERHEAD...
...
MTZ111-130300-
/O.CON.KMSO.FW.W.0003.260712T1800Z-260713T0300Z/
East Beaverhead-
238 PM MDT Sat Jul 11 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT SUNDAY...
* AFFECTED AREA...Fire Weather Zone 111.
* TIMING...From noon to 9 PM MDT Sunday.
* WINDS...Southwest winds 20 to 30 mph with gusts up to 45 mph.
* RELATIVE HUMIDITY...Relative Humidity between 8 to 15 percent.
* IMPACTS...Any fires that develop will spread rapidly. Outdoor
burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning is issued when we identify weather conditions that
promote rapid spread of fire. This does not mean there is a fire.
These conditions are either occurring now or will begin soon. It is
important to have multiple ways to receive information from
authorities.
&&
$$
AL
URGENT - FIRE WEATHER MESSAGE
National Weather Service Rapid City SD
207 PM MDT Sat Jul 11 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT SUNDAY
DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FALL RIVER COUNTY
AREA, NORTHERN FOOT HILLS, EASTERN FOOT HILLS, CUSTER COUNTY PLAINS,
PINE RIDGE AREA, BUTTE COUNTY AREA, WEST CENTRAL PLAINS, BADLANDS
AREA, NORTHERN CAMPBELL, SOUTHERN CAMPBELL, CROOK COUNTY PLAINS, AND
WESTON COUNTY PLAINS...
SDZ322>327-329-332-WYZ314>317-121200-
/O.CON.KUNR.FW.W.0028.260712T1600Z-260713T0300Z/
Fall River County Area-Northern Foot Hills-Eastern Foot Hills-
Custer County Plains-Pine Ridge Area-Butte County Area-West
Central Plains-Badlands Area-Northern Campbell-Southern Campbell-
Crook County Plains-Weston County Plains-
207 PM MDT Sat Jul 11 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 9 PM MDT
SUNDAY...
* AFFECTED AREA...Fire Weather Zones 314, 315, 316, 317, 322, 323,
324, 325, 326, 327, 329, and 332.
* TIMING...From 10 AM to 9 PM MDT Sunday.
* WINDS...Southeast winds 10 to 20 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...Relative Humidity between 8 to 18 percent.
* IMPACTS...Any fires that develop will spread rapidly. Outdoor
burning is not recommended.
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.
&&
$$
Calderon
URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
111 PM MDT Sat Jul 11 2026
NEZ434-WYZ417-418-423-430>433-121200-
/O.CON.KCYS.FW.W.0031.260712T1800Z-260714T0200Z/
/O.CON.KCYS.FW.A.0020.000000T0000Z-260712T1800Z/
Pine Ridge/Nebraska National Forest-
Niobrara/Lower Elevations of Converse/Thunder Basin National
Grassland-
Middle North Platte River Basin/Niobrara and Converse High Plains-
Southwest Carbon County-Laramie Foothills and High Plains-
Laramie East High Plains-Bordeaux/Chugwater/Wheatland-
Goshen/Middle-Lower North Platte River Basin-
111 PM MDT Sat Jul 11 2026
...FIRE WEATHER WATCH REMAINS IN EFFECT THROUGH SUNDAY MORNING
FOR LOW RH, CRITICAL FUELS, BREEZY WINDS FOR FIRE WEATHER ZONES
417, 418, 423, 430, 431, 432, 433, AND 434...
...RED FLAG WARNING IN EFFECT FROM NOON SUNDAY TO 8 PM MDT MONDAY
FOR LOW RH, CRITICAL FUELS, AND GUSTY WINDS OVER 25 MPH FOR FIRE
WEATHER ZONES 417, 418, 423, 430, 431, 432, 433, AND 434...
* AFFECTED AREA...Fire weather zones 417, 418, 423, and 430
through 434.
* WIND... South 10 to 15 mph gusting up to 35 mph
* HUMIDITY... Between 10 and 15 percent
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Cheyenne WY
111 PM MDT Sat Jul 11 2026
WYZ419-420-427-121200-
/O.CON.KCYS.FW.W.0031.260712T1800Z-260714T0200Z/
North Laramie Range and Adjacent High Plains-
North Laramie Valley/Shirley Basin-North Snowy Range Foothills-
111 PM MDT Sat Jul 11 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON SUNDAY TO 8 PM
MDT MONDAY FOR LOW RH, CRITICAL FUELS, AND GUSTY WINDS OVER
25 MPH FOR FIRE WEATHER ZONES 419, 420, AND 427...
* AFFECTED AREA...Fire weather zone 419.Fire weather zone
420.Fire weather zone 427.
* WIND... Southerly winds 15 gusting 30 mph
* HUMIDITY... 10 to 15 percent
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
1156 AM MDT Sat Jul 11 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM MDT TODAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR IDAHO FIRE WEATHER
ZONES 475 AND 476...
...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM MDT SUNDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 410,
411 AND 476...
IDZ410-411-120300-
/O.CON.KPIH.FW.W.0011.260712T1900Z-260713T0300Z/
Upper Snake River Valley/Idaho Falls BLM-
Centennial Mountains and Snake River Range/Targhee NF-
1156 AM MDT Sat Jul 11 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM TO 9 PM MDT
SUNDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES 410 AND 411...
* AFFECTED AREA...Fire Weather Zone 410 Upper Snake River
Valley/Idaho Falls BLM and Fire Weather Zone 411 Centennial
Mountains and Snake River Range/Targhee NF.
* WINDS...Southwest 10 to 20 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 8 percent.
* IMPACTS...High wind gusts could cause any existing fires or
new fire starts to grow rapidly.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly based on these criteria
for Southeastern Idaho:
- Relative humidity at or below 15 percent and wind gusts of at
least 25 mph in the mountains, or 30 mph in the Snake Plain.
- Thunderstorm coverage of 25 percent, without specific rainfall
criteria.
- Other high impact events deemed critical by the National
Weather Service and area fire management agencies.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Billings MT
1103 AM MDT Sat Jul 11 2026
MTZ123>133-WYZ274-121715-
/O.UPG.KBYZ.FW.A.0002.260712T1400Z-260713T0300Z/
/O.NEW.KBYZ.FW.W.0004.260712T1500Z-260713T0300Z/
Gallatin National Forest-Wheatland County/Sweet Grass County-
Stillwater County-Beartooth Ranger District Custer National Forest-
Golden Valley County/Musselshell county-Yellowstone County-
Crow Indian Reservation/Bighorn Canyon Rec Area-
Northern Rosebud/Northern Treasure Counties-
Northern Cheyenne Indian Reservation/Ashland Ranger District
Custer Natl Forest-Custer County-
Sioux Ranger District Custer National Forest-Sheridan County-
1103 AM MDT Sat Jul 11 2026
...RED FLAG WARNING IN EFFECT FROM 9 AM TO 9 PM MDT SUNDAY...
The National Weather Service in Billings has issued a Red Flag
Warning...which is in effect from 9 AM to 9 PM MDT Sunday. The
Fire Weather Watch is no longer in effect.
* IMPACTS: Low humidities, very hot temperatures, and strong gusty
winds will create erratic fire behavior.
* AFFECTED AREA:
In North Central WY Fire Zone...274.
In South Central MT Fire Zones...123...124...125...126...127
128...129.
In Southeast MT Fire Zones...130...131...132.
In Southeast MT and Northwest SD Fire Zone...133.
* COUNTIES AFFECTED:
In Central MT...Golden Valley...Musselshell...Wheatland.
In North Central WY...Sheridan.
In Northwest SD...Harding.
In South Central MT...Big Horn...Carbon...Park...Stillwater
Sweet Grass...Yellowstone.
In Southeast MT...Carter...Custer...Fallon...Powder River
Rosebud...Treasure.
In Southwest MT...Gallatin.
* WIND: South 10 to 20 mph with gusts up to 30 mph.
* HUMIDITY: 5 to 10 percent.
* TEMPERATURES: from 105 to 112.
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.
&&
$$
http://weather.gov/Billings
