# Red Flag Warning: Natrona County/Casper BLM; Granite/Green/Ferris/Rattlesnake Mountains; Casper Mountain — retained record

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

Canonical: https://highsignal.app/data/records/bd0f9303368792c0

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


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-09-09 02:08 ingested 2026-09-09 10:57

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

## extract

Red Flag Warning — Natrona County/Casper BLM; Granite/Green/Ferris/Rattlesnake Mountains; Casper Mountain
Severity: Severe. Certainty: Likely.
* IMPACTS: Low Humidities and Strong Gusty Winds could cause
erratic fire behavior.

* AFFECTED AREA:
In Central WY...Fire Weather Zones 280...289 and 300.

* COUNTIES AFFECTED:
In Central WY...Fremont...Natrona.
In Southwest WY...Sweetwater.

* WIND: West 10 to 15 mph with gusts up to 25 mph. Thursday, west
to southwest 15 to 20 mph with gusts up to 40 mph.

* HUMIDITY: As low as 8 percent. Thursday, as low as 6 percent. RH
recovery will be poor tonight.

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The historical document was shared with another weather alert and cannot be attributed to this record.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