Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Billings MT
210 AM MDT Sun Jul 12 2026
MTZ123>133-WYZ274-130300-
/O.CON.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-
210 AM MDT Sun Jul 12 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
9 PM MDT THIS EVENING...
* 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 to 35 mph.
* HUMIDITY: Minimums of 5 to 10 percent.
* TEMPERATURES: Highs of 105 to 112.
* COLD FRONT: Arrives over western zones this evening, bringing a
shift to breezy northwest winds. The front will reach far
southeast Montana Monday morning. Before the frontal passage, a
southeasterly low level jet will produce gusty ridgetop winds (to
40 mph) and a slow humidity recovery over SE Montana tonight.
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.
&&
$$
http://weather.gov/Billings
URGENT - FIRE WEATHER MESSAGE
National Weather Service Rapid City SD
1201 PM MDT Sun Jul 12 2026
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT TUESDAY DUE TO GUSTY
WINDS AND LOW RELATIVE HUMIDITY FOR PERKINS COUNTY, ZIEBACH COUNTY,
AND HAAKON COUNTY AREA...
...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT TUESDAY DUE TO GUSTY
WINDS AND LOW RELATIVE HUMIDITY FOR FALL RIVER COUNTY AREA, NORTHERN
FOOT HILLS, EASTERN FOOT HILLS, CUSTER COUNTY PLAINS, PINE RIDGE
AREA, BUTTE COUNTY AREA, WEST CENTRAL PLAINS, AND BADLANDS AREA...
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING DUE
TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR NORTHERN CAMPBELL,
SOUTHERN CAMPBELL, CROOK COUNTY PLAINS, AND WESTON COUNTY PLAINS...
...
WYZ314>317-130215-
/O.CON.KUNR.FW.W.0028.000000T0000Z-260713T0300Z/
Northern Campbell-Southern Campbell-Crook County Plains-Weston
County Plains-
1201 PM MDT Sun Jul 12 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING...
* AFFECTED AREA...Fire Weather Zones 314, 315, 316, and 317.
* TIMING...Until 9 PM MDT this evening.
* WINDS...Southeast winds 10 to 20 mph with gusts up to 30 mph.
* RELATIVE HUMIDITY...Relative Humidity as low as 8 percent.
* IMPACTS...Any fires that develop will spread rapidly. Outdoor
burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of strong winds,
low relative humidity, and warm temperatures can contribute to
extreme fire behavior.
&&
$$
Calderon
URGENT - FIRE WEATHER MESSAGE
National Weather Service Rapid City SD
1201 PM MDT Sun Jul 12 2026
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT TUESDAY DUE TO GUSTY
WINDS AND LOW RELATIVE HUMIDITY FOR PERKINS COUNTY, ZIEBACH COUNTY,
AND HAAKON COUNTY AREA...
...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT TUESDAY 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, AND BADLANDS AREA...
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING DUE
TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR NORTHERN CAMPBELL,
SOUTHERN CAMPBELL, CROOK COUNTY PLAINS, AND WESTON COUNTY PLAINS...
...
SDZ322>327-329-332-130215-
/O.EXT.KUNR.FW.W.0028.000000T0000Z-260715T0300Z/
Fall River County Area-Northern Foot Hills-Eastern Foot Hills-
Custer County Plains-Pine Ridge Area-Butte County Area-West
Central Plains-Badlands Area-
1201 PM MDT Sun Jul 12 2026
...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT TUESDAY...
* AFFECTED AREA...Fire Weather Zones 322, 323, 324, 325, 326, 327,
329, and 332.
* TIMING...Until 9 PM MDT Tuesday.
* WINDS...South winds 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...Relative Humidity as low as 14 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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Rapid City SD
1201 PM MDT Sun Jul 12 2026
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT TUESDAY DUE TO GUSTY
WINDS AND LOW RELATIVE HUMIDITY FOR PERKINS COUNTY, ZIEBACH COUNTY,
AND HAAKON COUNTY AREA...
...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT TUESDAY DUE TO GUSTY
WINDS AND LOW RELATIVE HUMIDITY FOR FALL RIVER COUNTY AREA, NORTHERN
FOOT HILLS, EASTERN FOOT HILLS, CUSTER COUNTY PLAINS, PINE RIDGE
AREA, BUTTE COUNTY AREA, WEST CENTRAL PLAINS, AND BADLANDS AREA...
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING DUE
TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR NORTHERN CAMPBELL,
SOUTHERN CAMPBELL, CROOK COUNTY PLAINS, AND WESTON COUNTY PLAINS...
...
SDZ328-330-331-130215-
/O.EXB.KUNR.FW.W.0028.000000T0000Z-260715T0300Z/
Perkins County-Ziebach County-Haakon County Area-
1201 PM MDT Sun Jul 12 2026
...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT TUESDAY...
* AFFECTED AREA...Fire Weather Zones 328, 330, and 331.
* TIMING...Until 9 PM MDT Tuesday.
* WINDS...South winds 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...Relative Humidity as low as 15 percent.
* IMPACTS...Any fires that develop will spread rapidly. Outdoor
burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of strong winds,
low relative humidity, and warm temperatures can contribute to
extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
212 AM MDT Sun Jul 12 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM MDT THIS AFTERNOON
FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR IDAHO FIRE WEATHER
ZONES 410, 411 AND 476...
IDZ410-411-476-122100-
/O.CON.KPIH.FW.W.0011.260712T1900Z-260713T0300Z/
Upper Snake River Valley/Idaho Falls BLM-
Centennial Mountains and Snake River Range/Targhee NF-
Lemhi and Lost River Range/Challis NF-
212 AM MDT Sun Jul 12 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY
FOR FIRE WEATHER ZONES 410, 411 AND 476...
* AFFECTED AREA...Fire Weather Zone 410 Upper Snake River
Valley/Idaho Falls BLM, Fire Weather Zone 411 Centennial
Mountains and Snake River Range/Targhee NF and Fire Weather
Zone 476 Lemhi and Lost River Range/Challis NF.
* WINDS...Southwest 10 to 20 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 10 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.
&&
$$
13
URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
1233 AM MDT Sun Jul 12 2026
WYZ275-276-280>283-130400-
/O.CON.KRIW.FW.W.0016.260712T1700Z-260713T0400Z/
North Bighorn Basin/Worland BLM-Cody Foothills-
Natrona County/Casper BLM-Johnson County/Casper BLM-
South Bighorn Basin/Worland BLM-
Upper Wind River Basin/Wind River Basin-
1233 AM MDT Sun Jul 12 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
10 PM MDT THIS EVENING...
* IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty
Winds could cause erratic fire behavior.
* AFFECTED AREA:
In Central WY Fire Zones...280...283.
In North Central WY Fire Zones...275...276...281...282.
* COUNTIES AFFECTED:
In Central WY...Fremont...Natrona.
In North Central WY...Big Horn...Hot Springs...Johnson...Park
Washakie.
* WIND: Southeast 15 to 25 mph with gusts up to 35 mph.
* HUMIDITY: As low as 4 percent.
* TEMPERATURES: Highs 98 to 110.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now....or will shortly. A combination of strong
winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
http://weather.gov/riverton
URGENT - FIRE WEATHER MESSAGE
National Weather Service Glasgow MT
1100 PM MDT Sat Jul 11 2026
MTZ136-137-130300-
/O.NEW.KGGW.FW.W.0010.260712T1800Z-260713T0300Z/
The Lower Missouri River Breaks including the Charles M Russell
National Wildlife Refuge-
Southern Petroleum and Southern Garfield Counties-
1100 PM MDT Sat Jul 11 2026
...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SUNDAY FOR LOW
RH GUSTY WIND AND DRY THUNDER FOR FIRE WEATHER ZONES 136 AND
137...
The National Weather Service in Glasgow has issued a Red Flag
Warning, which is in effect from noon to 9 PM MDT Sunday.
* AFFECTED AREA... Fire weather zones 136 and 137.
* WIND... South at 10 to 20 gust up to 30 mph.
* HUMIDITY... As low as 8 percent.
* THUNDERSTORMS... dry lightning and erratic gusty downdraft
winds from any thunderstorm or rain shower.
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Missoula MT
238 PM MDT Sat Jul 11 2026
...FIRE WEATHER WATCH IS CANCELLED FOR DEERLODGE/WEST BEAVERHEAD...
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT SUNDAY
DUE TO WIND AND LOW RELATIVE HUMIDITY FOR EAST BEAVERHEAD...
...
MTZ111-130300-
/O.CON.KMSO.FW.W.0003.260712T1800Z-260713T0300Z/
East Beaverhead-
238 PM MDT Sat Jul 11 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT SUNDAY...
* AFFECTED AREA...Fire Weather Zone 111.
* TIMING...From noon to 9 PM MDT Sunday.
* WINDS...Southwest winds 20 to 30 mph with gusts up to 45 mph.
* RELATIVE HUMIDITY...Relative Humidity between 8 to 15 percent.
* IMPACTS...Any fires that develop will spread rapidly. Outdoor
burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning is issued when we identify weather conditions that
promote rapid spread of fire. This does not mean there is a fire.
These conditions are either occurring now or will begin soon. It is
important to have multiple ways to receive information from
authorities.
&&
$$
AL
