896
WWUS85 KCYS 011804
RFWCYS
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1204 PM MDT SAT AUG 1 2026
NEZ434>437-021215-
/O.NEW.KCYS.FW.W.0032.260802T1800Z-260803T0300Z/
PINE RIDGE/NEBRASKA NATIONAL FOREST-
BOX BUTTE/SOUTH SIOUX/NIOBRARA RIVER-
LOWER NORTH PLATTE RIVER BASIN/SCOTTSBLUFF NATIONAL MONUMENT-
LODGEPOLE CREEK/SOUTHERN NEBRASKA PANHANDLE-
1204 PM MDT SAT AUG 1 2026
...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SUNDAY FOR
GUSTY WINDS AND LOW RH FOR FIRE WEATHER ZONES 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 SUNDAY.
* AFFECTED AREA...FIRE WEATHER ZONES 434 THROUGH 437.
* WIND...SOUTH TO SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS UP TO 35
MPH.
* HUMIDITY...BETWEEN 8 AND 15 PERCENT.
* 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.
WYZ421>423-021215-
/O.NEW.KCYS.FW.W.0032.260802T1800Z-260804T0300Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-CENTRAL AND WEST CARBON-
SOUTHWEST CARBON COUNTY-
1204 PM MDT SAT AUG 1 2026
...RED FLAG WARNING IN EFFECT FROM NOON SUNDAY TO 9 PM MDT MONDAY
FOR GUSTY WINDS, LOW RH, AND POOR OVERNIGHT RECOVERIES FOR FIRE
WEATHER ZONES 421, 422, AND 423...
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING, WHICH IS IN EFFECT FROM NOON SUNDAY TO 9 PM MDT MONDAY.
* AFFECTED AREA...FIRE WEATHER ZONES 421 THROUGH 423.
* WIND...SOUTHWEST TO WEST WINDS SUNDAY, BECOMING WEST TO
NORTHWEST MONDAY, AT 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.
* HUMIDITY...5 TO 10 PERCENT SUNDAY; OVERNIGHT RECOVERIES 20 TO 30
PERCENT; 10 TO 15 PERCENT MONDAY.
* 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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