# Red Flag Warning: Crow Indian Reservation/Big Horn Canyon Rec Area; Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Custer County; Sioux Ranger District Custer National Forest; Sheridan County/Casper BLM; Bighorn National Forest — retained record

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

Canonical: https://highsignal.app/data/records/35bf7226b6037caa

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-09-04 12:06 ingested 2026-09-05 02:54

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

## extract

Red Flag Warning — Crow Indian Reservation/Big Horn Canyon Rec Area; Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Custer County; Sioux Ranger District Custer National Forest; Sheridan County/Casper BLM; Bighorn National Forest
Severity: Severe. Certainty: Likely.
* IMPACTS: Low humidities, hot temperatures, and gusty winds will
create erratic fire behavior.

* AFFECTED AREA:
In North Central WY Fire Zones...274...284.
In South Central MT Fire Zone...129.
In Southeast MT Fire Zones...131...132.
In Southeast MT and Northwest SD Fire Zone...133.

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

* WIND: Southwest 10 to 20 mph with gusts up to 40 mph.

* HUMIDITY: As low as 10 percent.

* TEMPERATURES: Up to 100.

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The historical document was shared with another weather alert and cannot be attributed to this record.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