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Fire Weather Watch is no longer in effect.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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