Red Flag Warning
URGENT - FIRE WEATHER MESSAGE
National Weather Service Glasgow MT
842 PM MDT Fri Jul 24 2026
MTZ134>137-260400-
/O.CAN.KGGW.FW.W.0011.000000T0000Z-260725T0300Z/
/O.CON.KGGW.FW.W.0012.260725T2200Z-260726T0400Z/
Northern Valley and Northern Phillips Counties-The Little Rockies-
The Lower Missouri River Breaks including the Charles M Russell
National Wildlife Refuge-
Southern Petroleum and Southern Garfield Counties-
842 PM MDT Fri Jul 24 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 4 PM TO 10 PM MDT
SATURDAY FOR LIGHTNING FROM THUNDERSTORMS FOR FIRE WEATHER ZONES
134, 135, 136, AND 137...
...RED FLAG WARNING IS CANCELLED FOR LOW RELATIVE HUMIDITY AND
STRONG WINDS FOR FIRE WEATHER ZONES 134, 135, 136, AND 137...
The National Weather Service in Glasgow has cancelled the Red
Flag Warning.
The National Weather Service in Glasgow has issued a Red Flag
Warning, which is in effect from 4 PM to 10 PM MDT Saturday.
* WIND...South southwest winds on Saturday will range at 10 to 15
mph with gusts to 25 mph.
* HUMIDITY...As low as 13 percent Saturday afternoon.
* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
* ADDITIONAL DETAILS...Isolated thunderstorms are expected on
Saturday, so lightning is the main concern for fire starts.
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
222 AM MDT Sat Jul 25 2026
MTZ123>133-WYZ274-284-260600-
/O.CON.KBYZ.FW.W.0005.260725T1800Z-260726T0600Z/
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-
Bighorn National Forest-
222 AM MDT Sat Jul 25 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT
MDT TONIGHT...
* IMPACTS: Low humidities, hot temperatures, and high-based
thunderstorms with gusty and erratic outflow winds will create
erratic fire behavior and potential for new fire starts.
* AFFECTED AREA:
In North Central WY Fire Zones...274...284.
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...Big Horn...Johnson...Sheridan...Washakie.
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: Southwest 10 to 15 mph with gusts to 25 mph.
* THUNDERSTORMS: Isolated to scattered afternoon and evening
thunderstorms will produce gusty and erratic winds, and spotty
rainfall.
* HUMIDITY: Minimums of 11 to 19 percent.
* TEMPERATURES: Highs of 97 to 107 below 5000 feet, hottest in the
east..
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 Great Falls MT
1116 PM MDT Fri Jul 24 2026
MTZ112>115-117-252030-
/O.CON.KTFX.FW.W.0003.000000T0000Z-260726T0300Z/
Eastern Glacier/Toole/Central/Eastern Pondera/Liberty-
Hill and Blaine Counties-
Lewis and Clark National Forest Rocky Mountain District-
Rocky Mountain Front-Chouteau and Fergus Counties-
Central and Eastern Lewis and Clark National Forest Areas-
1116 PM MDT Fri Jul 24 2026
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SATURDAY FOR
HOT TEMPERATURES, GUSTY WINDS, AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 112, 113, 114, 115, AND 117...
* AFFECTED AREA...Eastern Glacier/Toole/Central/Eastern
Pondera/Liberty, Hill and Blaine Counties, Lewis and Clark
National Forest Rocky Mountain District-Rocky Mountain Front,
Chouteau and Fergus Counties and Central and Eastern Lewis and
Clark National Forest Areas.
* WINDS...Southwest 15 to 25 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* TEMPERATURES...Up to 107.
* THUNDERSTORMS...Isolated to widely scattered showers and
thunderstorms may cause localized strong, and erratic wind
gusts and lightning, mostly over zones 115 and 117 Saturday
afternoon.
* IMPACTS...Containment of any ongoing or new fires may be very
difficult.
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.
Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.
&&
$$
http://www.weather.gov/tfx
URGENT - FIRE WEATHER MESSAGE
National Weather Service Rapid City SD
942 PM MDT Fri Jul 24 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO MIDNIGHT
MDT SATURDAY NIGHT DUE TO DRY LIGHTNING FOR NORTHERN BLACK HILLS,
CENTRAL BLACK HILLS, SOUTHERN BLACK HILLS, FALL RIVER COUNTY AREA,
NORTHERN FOOT HILLS, EASTERN FOOT HILLS, CUSTER COUNTY PLAINS, PINE
RIDGE AREA, BUTTE COUNTY AREA, PERKINS COUNTY, WEST CENTRAL PLAINS,
ZIEBACH COUNTY, HAAKON COUNTY AREA, BADLANDS AREA, BENNETT COUNTY
AREA, NORTHERN CAMPBELL, SOUTHERN CAMPBELL, CROOK COUNTY PLAINS,
WESTON COUNTY PLAINS, AND WYOMING BLACK HILLS...
.Thunderstorms expected to develop across northeastern Wyoming into
western South Dakota Saturday afternoon and evening. These storms are
expected to be high based and produce frequent lightning with little
to no rainfall as they move through. The dry storm risk combined with
very hot temperatures in the upper 90s to 100s, very low humidities
of 15 to 20 percent, and dry fuels, critical fire weather conditions
are expected tomorrow afternoon and evening.
SDZ319>333-WYZ314>318-251145-
/O.CON.KUNR.FW.W.0029.260725T1800Z-260726T0600Z/
Northern Black Hills-Central Black Hills-Southern Black Hills-
Fall River County Area-Northern Foot Hills-Eastern Foot Hills-
Custer County Plains-Pine Ridge Area-Butte County Area-Perkins
County-West Central Plains-Ziebach County-Haakon County Area-
Badlands Area-Bennett County Area-Northern Campbell-Southern
Campbell-Crook County Plains-Weston County Plains-Wyoming Black
Hills-
942 PM MDT Fri Jul 24 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO MIDNIGHT
MDT SATURDAY NIGHT...
* AFFECTED AREA...Fire Weather Zones 314, 315, 316, 317, 318, 319,
320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332,
and 333.
* TIMING...From noon Saturday to midnight MDT Saturday Night.
* LIGHTNING...Frequent dry lightning is possible with thunderstorms.
* OUTFLOW WINDS...Gusty and erratic winds are possible in and near
any thunderstorms.
* THUNDERSTORMS...Thunderstorms with little to no rain, gusty and
erratic winds, and frequent lightning are possible.
* 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 gusty winds, low relative humidity, and
dry lightning can contribute to extreme fire behavior.
&&
$$
Wong
URGENT - FIRE WEATHER MESSAGE
National Weather Service Pocatello ID
916 PM MDT Fri Jul 24 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM MDT SATURDAY FOR
SCATTERED THUNDERSTORMS FOR IDAHO FIRE WEATHER ZONES 410, 413,
AND 427...
IDZ410-413-251200-
/O.CON.KPIH.FW.W.0014.260725T1900Z-260726T0300Z/
Upper Snake River Valley/Idaho Falls BLM-Caribou Range/Caribou NF-
916 PM MDT Fri Jul 24 2026
...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM TO 9 PM MDT
SATURDAY FOR SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES
410 AND 413...
* AFFECTED AREA...Fire Weather Zone 410 Upper Snake River
Valley/Idaho Falls BLM and Fire Weather Zone 413 Caribou
Range/Caribou NF.
* IMPACTS...Scattered thunderstorms can produce frequent
lightning that may in turn produce wildfire starts in
receptive fuels.
* THUNDERSTORMS...A mix of wet and dry storms.
* OUTFLOW WINDS...Gusts over 35 mph with peak gusts nearing 45-
55 mph.
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.
&&
$$
URGENT - FIRE WEATHER MESSAGE
National Weather Service Missoula MT
1215 PM MDT Fri Jul 24 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM MDT SATURDAY DUE TO
LIGHTNING AND WIND, LOW RELATIVE HUMIDITY FOR EAST BEAVERHEAD...
MTZ111-260300-
/O.NEW.KMSO.FW.W.0004.260725T1900Z-260726T0300Z/
East Beaverhead-
1215 PM MDT Fri Jul 24 2026
...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM MDT SATURDAY...
The National Weather Service in Missoula MT has issued a Red Flag
Warning.
* AFFECTED AREA...Fire Weather Zone 111.
* TIMING...From 1 PM to 9 PM MDT Saturday.
* WINDS...Southwest winds 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...Relative Humidity between 15 to 25 percent.
* THUNDERSTORMS...Isolated to scattered thunderstorms producing
minimal precipitation. Erratic outflow winds of 55 to 65 mph
possible.
* IMPACTS...Any fires that develop will spread rapidly. Outdoor
burning is not recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Please advise the appropriate officials or fire crews in the field of
this Red Flag Warning.
&&
$$
