024
FNUS73 KUNR 091658
FWSUNR
SPOT FORECAST FOR ELM FIRE...NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE RAPID CITY SD
1058 AM MDT WED SEP 9 2026
FORECAST IS BASED ON FORECAST START TIME OF 1100 MDT ON SEPTEMBER 09.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
ELEVATED TO NEAR-CRITICAL FIRE WEATHER IS EXPECTED
OVER THE NEXT 24+ HOURS AS CONDITIONS SLOWLY TREND WARMER AND
DRIER EACH DAY. THIS AFTERNOON, MINIMUM RELATIVE HUMIDITY VALUES
WILL REACH ABOUT 15 PERCENT AND WEST WINDS WILL GUST AS HIGH AS
20 TO 25 MPH, ESPECIALLY BETWEEN 1 PM AND 6 PM IN HIGHER/MORE OPEN
AREAS (WINDS WILL BE A BIT LIGHTER AND LESS GUSTY IN SHELTERED
LOWER SLOPES). FORECAST CONFIDENCE IS HIGH IN MOSTLY CLEAR/SUNNY
SKIES AND NO PRECIPITATION, WITH THE NEXT CHANCE OF RAIN NOT
ARRIVING UNTIL AT LEAST FRIDAY EVENING, IF NOT SATURDAY EVENING.
REST OF TODAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 80 DEGREES.
MIN HUMIDITY........15 PERCENT.
WIND (20 FT)........WEST WINDS 9 TO 14 MPH SLIGHTLY DECREASING TO
AROUND 8 MPH LATE IN THE AFTERNOON. GUSTS UP TO
24 MPH. LIGHTER, MORE VARIABLE WINDS IN
SHELTERED AREAS AND LOWER SLOPES.
CWR.................0 PERCENT.
MIXING HEIGHT.......7200 TO 7700 FT AGL.
TRANSPORT WINDS.....WEST 20 TO 25 MPH.
SMOKE DISPERSAL.....VERY GOOD.
TIME (MDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........3 3 5 7 10 15 19
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0
TEMP............70 74 78 79 79 79 78
RH..............35 28 23 19 17 15 17
20 FT WIND DIR..SW W W W W W W
20 FT WIND SPD..7 9 10 10 11 10 9
20 FT WIND GUST.16 19 22 24 23 23 21
MIX HGT (KFT)...4.8 6.0 6.4 6.6 7.7 7.1 7.1
TRANSP WIND DIR.W W W W W W W
TRANSP WIND SPD.16 18 20 21 21 20 17
FORECASTER...KSMITH
REQUESTED BY...CARL MASSA
TYPE OF REQUEST...WILDFIRE
.TAG 2621489.0/UNR
.DELDT 09/09/26
.FORMATTERVERSION 2.0.0
.EMAIL CARMAS001@MOUNTMARTY.EDU
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