Severe · Red Flag WarningActive alert

Red Flag Warning issued September 10 at 2:14AM MDT until September 10

Affecting Natrona County/Casper BLM; Granite/Green/Ferris/Rattlesnake Mountains; Casper Mountain

In effect until: Sep 11, 2026, 3:00 AM

Natrona County/Casper BLM; Granite/Green/Ferris/Rattlesnake Mountains; Casper Mountain

Likely impact; effects through 3:00 AM.

A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.

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

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

* IMPACTS: Low Humidities and Strong Gusty Winds could cause
erratic fire behavior.

* WIND: Southwest 10 to 20 mph with gusts up to 30 mph.

* HUMIDITY: As low as 7 percent.

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Red Flag Warning issued September 10 at 2:14AM MDT until September 10

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