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Severe · Fire Weather WatchActive alert

Fire Weather Watch issued September 3 at 2:53AM MDT until September 4

Affecting Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Custer County; Sioux Ranger District Custer National Forest; Sheridan County/Casper BLM

In effect until: Sep 4, 2026, 9:00 AM

Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Custer County; Sioux Ranger District Custer National Forest; Sheridan County/Casper BLM

Possible impact zone; conditions develop through 9:00 AM.

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

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Read the original bulletin (official text)
The National Weather Service in Billings has issued a Fire Weather
Watch...which is in effect from Friday afternoon through Friday
evening.

* IMPACTS: Low humidities, hot temperatures, and strong gusty winds
will create erratic fire behavior.

* AFFECTED AREA:
In North Central WY Fire Zone...274.
In Southeast MT Fire Zones...131...132.
In Southeast MT and Northwest SD Fire Zone...133.

* COUNTIES AFFECTED:
In North Central WY...Sheridan.
In Northwest SD...Harding.
In South Central MT...Big Horn.
In Southeast MT...Carter...Custer...Fallon...Powder River
Rosebud...Treasure.

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

* HUMIDITY: As low as 10 percent.

* TEMPERATURES: Up to 98.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™