Headline:
Red Flag Warning issued April 22 at 12:09PM MDT until April 22 at 8:00PM MDT by NWS Riverton WY
Event:
Red Flag Warning
Urgency:
Expected
Effective:
April 22, 2026 - 11:09am
Expires:
April 22, 2026 - 7:00pm
Description:
* AFFECTED AREA:
In Central WY Fire Zones...280...283...285...289...300.
In North Central WY Fire Zones...275...276...281...282...287.
* COUNTIES AFFECTED:
In Central WY...Fremont...Natrona.
In North Central WY...Big Horn...Hot Springs...Johnson...Park
and Washakie.
In Southwest WY...Sweetwater.
* IMPACTS: Strong gusty wind...low humidity...and unseasonably warm
temperatures could cause erratic fire behavior.
* WIND: Southwest 25 to 35 mph with widespread gusts of 35 to 45
mph. Gusts in Natrona County will frequently range from 55 to 65
mph.
* HUMIDITY: As low as 8 to 13 percent.
* TEMPERATURES: Highs in the 60s, with 70s in the Bighorn Basin and
around Casper.
Instruction:
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.
A High Wind Warning is also in effect until 8 PM Wednesday for most
of Natrona County.
Area Description:
North Bighorn Basin/Worland BLM; Cody Foothills; Natrona County/Casper BLM; Johnson County/Casper BLM; South Bighorn Basin/Worland BLM; Upper Wind River Basin/Wind River Basin; South Bighorn Mountains; Owl Creek Mountains; Granite/Green/Ferris/Rattlesnake Mountains; Casper Mountain
Forcast Office:
NWS Riverton WY
Sender: