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Casper, WY Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Casper, WY
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Red Flag Warning
Issued: 8:08 AM Sep. 9, 2026 – National Weather Service
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THURSDAY...

* 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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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