524
WWUS85 KCYS 240721
RFWCYS
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
121 AM MDT TUE MAR 24 2026
...RED FLAG WARNING ISSUED WEDNESDAY FOR GUSTY WINDS AND LOW
HUMIDITY FOR FIRE WEATHER ZONES 417, 418, 419, 420, 421, 422, 423,
430, 431, 432, 433, 434, 435, 436, AND 437...
NEZ434>437-WYZ417-418-430>433-250000-
/O.UPG.KCYS.FW.A.0007.260325T1800Z-260326T0200Z/
/O.NEW.KCYS.FW.W.0010.260325T1700Z-260326T0400Z/
PINE RIDGE/NEBRASKA NATIONAL FOREST-
BOX BUTTE/SOUTH SIOUX/NIOBRARA RIVER-
LOWER NORTH PLATTE RIVER BASIN/SCOTTSBLUFF NATIONAL MONUMENT-
LODGEPOLE CREEK/SOUTHERN NEBRASKA PANHANDLE-
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL
GRASSLAND-
MIDDLE NORTH PLATTE RIVER BASIN/NIOBRARA AND CONVERSE HIGH PLAINS-
LARAMIE FOOTHILLS AND HIGH PLAINS-LARAMIE EAST HIGH PLAINS-
BORDEAUX/CHUGWATER/WHEATLAND-GOSHEN/MIDDLE-
LOWER NORTH PLATTE RIVER BASIN-
121 AM MDT TUE MAR 24 2026
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 10 PM MDT WEDNESDAY
FOR GUSTY WINDS, LOW HUMIDITY, AND ISOLATED DRY LIGHTNING FOR
FIRE WEATHER ZONES 417, 418, 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 11 AM TO 10 PM MDT WEDNESDAY.
THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.
* AFFECTED AREA...FIRE WEATHER ZONES 417, 418, 430, 431, 432,
433, 434, 435, 436, AND 437
* WIND...WEST WINDS 15 TO 25 MPH WITH GUSTS OF 30 TO 45 MPH.
* HUMIDITY...BETWEEN 10 AND 15 PERCENT.
* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.
OUTDOOR BURNING IS NOT RECOMMENDED.
* ADDITIONAL DETAILS... A FEW SHOWERS DEVELOPING WEDNESDAY
AFTERNOON AND EVENING WILL HAVE THE POTENTIAL TO PRODUCE
ISOLATED LIGHTNING AND GUSTY/ERRATIC WINDS IN THEIR VICINITY.
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>423-250000-
/O.UPG.KCYS.FW.A.0007.260325T1800Z-260326T0200Z/
/O.NEW.KCYS.FW.W.0010.260325T1800Z-260326T0200Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-CENTRAL AND WEST CARBON-
SOUTHWEST CARBON COUNTY-
121 AM MDT TUE MAR 24 2026
...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT WEDNESDAY FOR
GUSTY WINDS AND LOW HUMIDITY 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 TO 8 PM MDT WEDNESDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT.
* AFFECTED AREA...FIRE WEATHER ZONES 421, 422, AND 423.
* WIND...WEST WINDS 20 TO 30 MPH WITH GUSTS OF 35 TO 45 MPH.
* HUMIDITY...BETWEEN 12 AND 17 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.
WYZ419-250000-
/O.NEW.KCYS.FW.W.0010.260325T1700Z-260326T0400Z/
NORTH LARAMIE RANGE AND ADJACENT HIGH PLAINS-
121 AM MDT TUE MAR 24 2026
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 10 PM MDT WEDNESDAY
FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 419...
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING, WHICH IS IN EFFECT FROM 11 AM TO 10 PM MDT WEDNESDAY.
* AFFECTED AREA...FIRE WEATHER ZONE 419.
* WIND...WEST WINDS 25 TO 35 MPH WITH GUSTS OF 40 TO 50 MPH.
* HUMIDITY...BETWEEN 12 AND 17 PERCENT.
* HIGHEST THREAT...IS LOCATED BELOW 7000 FT IN ELEVATION.
* 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.
WYZ420-250000-
/O.NEW.KCYS.FW.W.0010.260325T1800Z-260326T0200Z/
NORTH LARAMIE VALLEY/SHIRLEY BASIN-
121 AM MDT TUE MAR 24 2026
...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT WEDNESDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 420...
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A RED FLAG
WARNING, WHICH IS IN EFFECT FROM NOON TO 8 PM MDT WEDNESDAY.
* AFFECTED AREA...FIRE WEATHER ZONE 420.
* WIND...WEST WINDS 20 TO 30 MPH WITH GUSTS OF 35 TO 45 MPH.
* HUMIDITY...BETWEEN 12 AND 17 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.
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