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Severe · Red Flag WarningActive alert

Red Flag Warning issued September 3 at 9:17PM MDT until September 4

Affecting Crow Indian Reservation/Big Horn Canyon Rec Area; Bighorn National Forest

In effect until: Sep 5, 2026, 3:00 AM

Crow Indian Reservation/Big Horn Canyon Rec Area; Bighorn National Forest

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 North Central WY Fire Zone...284.
In South Central MT Fire Zone...129.

* COUNTIES AFFECTED:
In North Central WY...Big Horn...Johnson...Sheridan...Washakie.
In South Central MT...Big Horn...Carbon...Yellowstone.

* WIND: South 10 to 20 mph with gusts 25 to 35 mph.

* HUMIDITY: As low as 10 percent.

* ADDITIONAL DETAILS: The worst conditions are expected across
the lower elevations.

* TEMPERATURES: Up to 96.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™