035
WWUS85 KCYS 220813
RFWCYS
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
113 AM MST MON DEC 22 2025
WYZ430-431-230000-
/O.NEW.KCYS.FW.W.0023.251222T1800Z-251223T0000Z/
LARAMIE FOOTHILLS AND HIGH PLAINS-LARAMIE EAST HIGH PLAINS-
113 AM MST MON DEC 22 2025
...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 5 PM MST
THIS AFTERNOON FOR LOW HUMIDITY AND VERY GUSTY WINDS FOR FIRE
WEATHER ZONES 430 AND 431...
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING, WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 5 PM MST
THIS AFTERNOON.
* AFFECTED AREA...FIRE WEATHER ZONE 430.FIRE WEATHER ZONE 431.
* WIND...SUSTAINED WINDS 25 TO 35 MPH WITH GUSTS IN EXCESS OF 50
TO 60 MPH.
* HUMIDITY...RH VALUES AS LOW AS 15 TO 20%.
* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
OUTDOOR BURNING IS NOT RECOMMENDED.
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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