Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Glasgow MT
1035 AM MDT Thu Sep 10 2026
MTZ122-137-110200-
/O.CON.KGGW.FW.W.0017.260910T1800Z-260911T0200Z/
Dawson/McCone/Prairie/Richland/Wibaux Counties-
Southern Petroleum and Southern Garfield Counties-
1035 AM MDT Thu Sep 10 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR STRONG WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONES 122 AND
137...
* WIND...WEST AT 10 TO 20 WITH GUSTS TO 30 MPH.
* HUMIDITY...AS LOW AS 11 PERCENT.
* IMPACTS...Any fires that develop can 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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Billings MT
155 PM MDT Thu Sep 10 2026
MTZ123-124-127-110200-
/O.CON.KBYZ.FW.W.0012.000000T0000Z-260911T0200Z/
Gallatin National Forest-Wheatland County/Sweet Grass County-
Golden Valley County/Musselshell county-
155 PM MDT Thu Sep 10 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS
EVENING...
* IMPACTS: Low humidities, unseasonably warm temperatures, and
gusty winds will create erratic fire behavior.
* AFFECTED AREA:
In South Central MT Fire Zones...123...124...127.
* COUNTIES AFFECTED:
In Central MT...Golden Valley...Musselshell...Wheatland.
In South Central MT...Park...Sweet Grass.
In Southwest MT...Gallatin.
* WIND: West 15 to 25 mph with gusts up to 40 mph.
* HUMIDITY: As low as 10 percent.
* TEMPERATURES: Mid to upper 80s.
* ADDITIONAL DETAILS: The worst conditions are expected across
lower elevations that have received little precipitation in the
past week.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of strong
winds, low relative humidity, and warm temperatures can contribute
to extreme fire behavior.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Billings MT
155 PM MDT Thu Sep 10 2026
MTZ133-110200-
/O.CON.KBYZ.FW.W.0012.000000T0000Z-260911T0200Z/
Sioux Ranger District Custer National Forest-
155 PM MDT Thu Sep 10 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS
EVENING...
* IMPACTS: Low humidities, unseasonably warm temperatures, and
gusty winds will create erratic fire behavior.
* AFFECTED AREA:
In Southeast MT and Northwest SD Fire Zone...133.
* COUNTIES AFFECTED:
In Northwest SD...Harding.
In Southeast MT...Carter...Fallon.
* WIND: West 10 to 20 mph with gusts up to 30 mph.
* HUMIDITY: As low as 12 percent.
* TEMPERATURES: Up to 90.
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.
&&
$$
http://weather.gov/Billings
URGENT - FIRE WEATHER MESSAGE
National Weather Service Bismarck ND
152 PM CDT Thu Sep 10 2026
...RED FLAG WARNING IN EFFECT THIS AFTERNOON AND EVENING FOR
LOCATIONS IN NORTH DAKOTA SOUTH AND WEST OF THE MISSOURI RIVER AND
LAKE SAKAKAWEA...
.Warm and breezy conditions are expected over much of western and
parts of south central North Dakota today ahead of an approaching
cold front. Temperatures are forecast to climb into the upper 80s,
with afternoon humidity values as low as 13 percent. Winds this
afternoon are forecast to be southwest to west around 15 mph with
gusts to 30 mph. Due to the low humidity and breezy conditions with
abundant dry vegetation, critical fire weather conditions are
expected to continue into early this evening for locations in North
Dakota to the south and west of the Missouri River and Lake
Sakakawea.
NDZ017>020-031>034-040>045-110200-
/O.CON.KBIS.FW.W.0018.000000T0000Z-260911T0200Z/
McKenzie-Dunn-Mercer-Oliver-Golden Valley-Billings-Stark-Morton-
Slope-Hettinger-Grant-Bowman-Adams-Sioux-
152 PM CDT Thu Sep 10 2026 /1252 PM MDT Thu Sep 10 2026/
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS
EVENING...
* AFFECTED AREA...Portions of North Dakota south and west of the
Missouri River and Lake Sakakawea.
* TIMING...Until 9 PM CDT /8 PM MDT/ this evening.
* WINDS...Southwest to west around 15 mph with gusts to 30 mph.
* RELATIVE HUMIDITY...Relative Humidity as low as 13 percent.
* IMPACTS...Any fires that develop will spread rapidly. Outdoor
burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of strong winds,
low relative humidity and warm temperatures can contribute to extreme
fire behavior.
&&
$$
Hamilton
URGENT - FIRE WEATHER MESSAGE
National Weather Service Rapid City SD
1112 AM MDT Thu Sep 10 2026
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM MDT FRIDAY DUE TO
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR SOUTHERN BLACK HILLS, FALL
RIVER COUNTY AREA, CUSTER COUNTY PLAINS, PINE RIDGE AREA, BADLANDS
AREA, BENNETT COUNTY AREA, AND WESTON COUNTY PLAINS...
SDZ321-322-325-326-332-333-WYZ317-111200-
/O.NEW.KUNR.FW.W.0038.260911T1700Z-260912T0100Z/
Southern Black Hills-Fall River County Area-Custer County Plains-
Pine Ridge Area-Badlands Area-Bennett County Area-Weston County
Plains-
1112 AM MDT Thu Sep 10 2026
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 7 PM MDT FRIDAY...
The National Weather Service in Rapid City SD has issued a Red Flag
Warning.
* AFFECTED AREA...Fire Weather Zones 317, 321, 322, 325, 326, 332,
and 333.
* TIMING...From 11 AM to 7 PM MDT Friday.
* WINDS...Gradually shifting from west to north at 15 to 25 MPH with
gusts up to 35 MPH.
* RELATIVE HUMIDITY...As low as 12 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
expected. A combination of strong winds, low relative humidity, and
warm temperatures could contribute to extreme fire behavior.
&&
$$
KSmith
URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
214 AM MDT Thu Sep 10 2026
WYZ286>288-110300-
/O.CON.KRIW.FW.W.0027.260910T1800Z-260911T0300Z/
Absaroka Mountains/North Shoshone NF-Owl Creek Mountains-
East Wind River Mountains/South Shoshone NF-
214 AM MDT Thu Sep 10 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING...
* AFFECTED AREA:
In Central WY Fire Zone....288.
In North Central WY Fire Zone....287.
In Northwest WY Fire Zone....286.
* COUNTIES AFFECTED:
In Central WY...Fremont.
In North Central WY...Hot Springs...Park.
In West Central WY...Sublette.
* IMPACTS: Low Humidities and Strong Gusty Winds could cause
erratic fire behavior.
* WIND: West 10 to 20 mph with gusts up to 35 mph.
* HUMIDITY: As low as 12 to 15 percent, especially at elevations
below 10,000 feet.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now....or will shortly. A combination of strong
winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.
&&
$$
http://weather.gov/riverton
URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
149 AM MDT Thu Sep 10 2026
...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT THURSDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 410...
IDZ410-110200-
/O.CON.KPIH.FW.W.0024.260910T1800Z-260911T0200Z/
Upper Snake River Valley/Idaho Falls BLM-
149 AM MDT Thu Sep 10 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONE 410...
* AFFECTED AREA...Fire Weather Zone 410 Upper Snake River
Valley/Idaho Falls BLM.
* WINDS...Southwest 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 11 percent.
* IMPACTS...Existing or new fires could 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.
&&
Messick
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Missoula MT
959 AM MDT Wed Sep 9 2026
...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT THURSDAY DUE TO
WIND AND LOW RELATIVE HUMIDITY FOR EAST BEAVERHEAD...
MTZ111-100000-
/O.NEW.KMSO.FW.W.0014.260910T1800Z-260911T0300Z/
East Beaverhead-
959 AM MDT Wed Sep 9 2026
...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT THURSDAY...
The National Weather Service in Missoula MT has issued a Red Flag
Warning.
* AFFECTED AREA...Fire Weather Zone 111.
* TIMING...From noon to 9 PM MDT Thursday.
* WINDS...Southwest winds 10 to 20 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...Relative Humidity between 10 to 15 percent.
* IMPACTS...Any fires that develop will spread rapidly. Outdoor
burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Please advise the appropriate officials or fire crews in the field of
this Red Flag Warning.
&&
$$
