# Red Flag Warning: Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; 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/ad66e683c748400e

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-10-23 13:30 ingested 2026-10-24 02:52

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

## extract

Red Flag Warning — Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Sioux Ranger District Custer National Forest; Sheridan County/Casper BLM
Severity: Severe. Certainty: Likely.
* IMPACTS: Low humidities, unseasonably warm temperatures, strong
gusty winds, and wind shift with a cold front will create erratic
fire behavior and difficult control of new or existing fires.

* AFFECTED AREA:
In North Central WY Fire Zone...274.
In Southeast MT Fire Zone...131.
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...Fallon...Powder River...Rosebud
Treasure.

The most dangerous conditions are expected along and southeast of
a Baker Montana to Sheridan Wyoming line.

* COLD FRONT: Late afternoon into early evening.

* WIND: Southwest 20 to 30 mph gusting up to 45 mph. Winds
shifting to the northwest behind a late day cold front, with
continued gusts to 45 mph through much of tonight.

* HUMIDITY:  Minimums of 14 to 20 percent.

* TEMPERATURES: Highs of 75 to 85 degrees.

## 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The historical document was shared with another weather alert and cannot be attributed to this record.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.