546
WWUS85 KCYS 060547
RFWCYS
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1147 PM MDT FRI JUN 5 2026
NEZ434>437-WYZ430>433-062200-
/O.UPG.KCYS.FW.A.0014.260606T1800Z-260607T0300Z/
/O.NEW.KCYS.FW.W.0024.260606T1800Z-260607T0300Z/
PINE RIDGE/NEBRASKA NATIONAL FOREST-
BOX BUTTE/SOUTH SIOUX/NIOBRARA RIVER-
LOWER NORTH PLATTE RIVER BASIN/SCOTTSBLUFF NATIONAL MONUMENT-
LODGEPOLE CREEK/SOUTHERN NEBRASKA PANHANDLE-
LARAMIE FOOTHILLS AND HIGH PLAINS-LARAMIE EAST HIGH PLAINS-
BORDEAUX/CHUGWATER/WHEATLAND-GOSHEN/MIDDLE-
LOWER NORTH PLATTE RIVER BASIN-
1147 PM MDT FRI JUN 5 2026
...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SATURDAY FOR
LOW RELATIVE HUMIDITY, GUSTY WINDS, AND DRY LIGHTNING FOR FIRE
WEATHER ZONES 430, 431, 432, 433, 434, 435, 436, AND 437...
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING, WHICH IS IN EFFECT FROM NOON TO 9 PM MDT SATURDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT.
* AFFECTED AREA...FIRE WEATHER ZONES 430 THROUGH 437.
* WIND...SOUTH TO SOUTHEAST WINDS 20 TO 30 MPH WITH GUSTS UP TO
45 MPH.
* HUMIDITY...10 TO 15 PERCENT.
* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
OUTDOOR BURNING IS NOT RECOMMENDED.
* ADDITIONAL DETAILS...DRY LIGHTNING WILL BE POSSIBLE WITH
ISOLATED STORMS DURING THE AFTERNOON AND EVENING HOURS.
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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