# Red Flag Warning: Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Custer County; Sioux Ranger District Custer National Forest; Sheridan County/Casper BLM — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/8530488de5b01806

[← sources](https://highsignal.app/data)


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-09-03 14:19 ingested 2026-09-04 02:51

[original source ↗](http://www.weather.gov/)

## extract

Red Flag Warning — Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Custer County; Sioux Ranger District Custer National Forest; Sheridan County/Casper BLM
Severity: Severe. Certainty: Likely.
The National Weather Service in Billings has issued a Red Flag
Warning...which is in effect from 9 AM to 9 PM MDT Friday. The
Fire Weather Watch is no longer in effect.

* IMPACTS: Low humidities, unseasonably warm 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: South 10 to 20 mph with gusts 25 to 35 mph.

* HUMIDITY: As low as 10 percent.

* TEMPERATURES: in the 90s.

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.
