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Severe · Red Flag WarningActive alert

Red Flag Warning issued September 3 at 2:19PM MDT until September 3

Affecting Gallatin National Forest; Wheatland County/Sweet Grass County; Stillwater County; Beartooth Ranger District Custer National Forest; Golden Valley County/Musselshell County; Yellowstone County; Northern Rosebud/Northern Treasure Counties

In effect until: Sep 4, 2026, 3:00 AM

Gallatin National Forest; Wheatland County/Sweet Grass County; Stillwater County; Beartooth Ranger District Custer National Forest; Golden Valley County/Musselshell County; Yellowstone County; Northern Rosebud/Northern Treasure Counties

Likely impact; effects through 3:00 AM.

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.

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Read the original bulletin (official text)
* IMPACTS: Low humidities, unseasonably warm temperatures, and
strong gusty winds will create erratic fire behavior.


* AFFECTED AREA:
In South Central MT Fire Zones...123...124...125...126...127
128.
In Southeast MT Fire Zone...130.

* COUNTIES AFFECTED:
In Central MT...Golden Valley...Musselshell...Wheatland.
In South Central MT...Carbon...Park...Stillwater...Sweet Grass
Yellowstone.
In Southeast MT...Rosebud...Treasure.
In Southwest MT...Gallatin.

* WIND: Southwest 10 to 20 mph with gusts up to 35 mph.

* HUMIDITY: As low as 14 percent.

* ADDITIONAL DETAILS: For Gallatin National Forest (MTZ123) and
Beartooth Ranger District (MTZ126), the worst conditions are
expected across the lower elevations.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™