418
WWUS83 KUNR 042135
RFWUNR
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RAPID CITY SD
235 PM MST TUE NOV 4 2025
...CRITICAL FIRE WEATHER CONDITIONS THROUGH THIS AFTERNOON ACROSS
SOUTHWEST SD...
.GUSTY WEST WINDS WILL CONTINUE THIS AFTERNOON AS A COOL FRONT
MOVES THROUGH. DEEP MIXING AND VERY DRY AIR WILL ALLOW WIND GUSTS
TO 40 MPH WITH THE RELATIVE HUMIDITY DOWN TO 11-15 PERCENT. THIS
WILL SUPPORT CRITICAL FIRE WEATHER CONDITIONS WHEN COMBINED WITH
RECEPTIVE FUELS.
SDZ321-322-325-326-332-333-050000-
/O.CON.KUNR.FW.W.0012.000000T0000Z-251105T0000Z/
SOUTHERN BLACK HILLS-FALL RIVER COUNTY AREA-CUSTER COUNTY PLAINS-
PINE RIDGE AREA-BADLANDS AREA-BENNETT COUNTY AREA-
235 PM MST TUE NOV 4 2025
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE
WEATHER ZONES 321, 322, 325, 326, 332, AND 333...
* AFFECTED AREA...FIRE WEATHER ZONES 321 SOUTHERN BLACK HILLS,
322 FALL RIVER COUNTY AREA, 325 CUSTER COUNTY PLAINS, 326 PINE
RIDGE AREA, 332 BADLANDS AREA AND 333 BENNETT COUNTY AREA.
* WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 45 MPH.
* RELATIVE HUMIDITY...11 TO 15 PERCENT.
* IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW RELATIVE
HUMIDITY WILL PRODUCE CRITICAL FIRE WEATHER CONDITIONS.
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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