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42.85 °N, 106.33 °W

Casper, WY Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Casper, WY
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Active Weather Alerts

Red Flag Warning
Issued: 6:35 AM Mar. 21, 2026 – National Weather Service
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

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

* AFFECTED AREA:
In Central WY Fire Zones...280...289.
In North Central WY Fire Zone....281.

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

* WIND: Southwest 20 to 30 mph with gusts up to 45 mph.

* HUMIDITY: 9 to 15 percent.

* TEMPERATURES: Highs in the upper 70s to mid 80s.

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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