224
FNUS73 KUNR 061850
FWSUNR
SPOT FORECAST FOR NEEDLE...PINE RIDGE
NATIONAL WEATHER SERVICE RAPID CITY SD
1250 PM MDT SUN SEP 6 2026
FORECAST IS BASED ON FORECAST START TIME OF 1300 MDT ON SEPTEMBER 06.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SUNNY, DRY, AND WINDY TODAY. HIGHS WILL PUSH INTO THE MID
90S WITH RELATIVE HUMIDITY BOTTOMING OUT NEAR 22 TO 25 PERCENT.
SOUTHEAST WINDS WILL PERSIST THROUGH THE DAY WITH GUSTS TO 25 MPH.
STRONGEST WINDS EXPECTED IN EXPOSED AREAS, WITH SLIGHTLY LIGHTER WINDS
IN HEAVIER SHELTERING.
GUSTY SOUTHEAST WINDS CONTINUE OVERNIGHT WITH SUSTAINED WINDS 15 TO
25 MPH AND GUSTS UP TO 30 MPH THROUGH THE OVERNIGHT HOURS. RELATIVE
HUMIDITY WILL RECOVERY TO AROUND 75 PERCENT. THERE IS A CHANCE OF
A SHOWER OR THUNDERSTORM LATE, AFTER 2200. LIGHTNING AND GUSTY,
ERRATIC OUTFLOW WINDS WILL BE THE MAIN CONCERN; PRECIPITATION WILL
BE SPOTTY, AT BEST.
NEAR CRITICAL CONDITIONS MONDAY WITH RH AROUND 16 TO 20 PERCENT
AND HIGH TEMPERATURE AROUND 93 DEGREES. SOUTH WINDS WILL SHIFT
WEST-SOUTHWEST AFTER 0800 MONDAY MORNING, WITH GUSTS UP TO 30 MPH
THROUGH THE DAY.
REST OF TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 96.
MIN HUMIDITY........22-25 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 25 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......7600 TO 8100 FT AGL.
TRANSPORT WINDS.....SOUTH 20 TO 25 MPH.
SMOKE DISPERSAL.....EXCELLENT.
TIME (MDT) 1PM 2PM 3PM 4PM 5PM
SKY (%).........5 9 9 36 37
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0
TEMP............92 93 94 94 93
RH..............30 26 22 24 26
20 FT WIND DIR..SE S S SE SE
20 FT WIND SPD..10 13 14 15 16
20 FT WIND GUST.22 22 23 24 25
MIX HGT (KFT)...4.6 5.4 8.1 5.9 5.9
TRANSP WIND DIR.S S S S S
TRANSP WIND SPD.16 20 22 24 25
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING
MOSTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS OVERNIGHT.
MIN TEMPERATURE.....AROUND 69.
MAX HUMIDITY........72-75 PERCENT (PEAKING AROUND 0600).
WIND (20 FT)........SOUTHEAST WINDS 15 TO 25 MPH WITH GUSTS UP
TO 30 TO 32 MPH. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS OVERNIGHT.
CWR.................0 PERCENT.
MIXING HEIGHT.......600 TO 1100 FT AGL.
TRANSPORT WINDS.....SOUTH 30 TO 35 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........9 22 30 50 61 39 34 35 43 40 73 72
WEATHER COV..... SCH SCH SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH SCH SCH
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............90 86 83 81 80 78 77 76 75 74 71 71
RH..............33 41 46 51 53 58 59 60 62 64 71 71
20 FT WIND DIR..SE SE SE SE SE SE SE S S S SE S
20 FT WIND SPD..17 18 20 21 22 22 22 22 22 23 23 22
20 FT WIND GUST.26 25 26 29 30 30 30 30 30 31 31 30
MIX HGT (KFT)...5.0 0.9 0.7 0.6 0.7 0.8 0.7 0.7 0.7 0.7 0.7 0.7
TRANSP WIND DIR.S S S SE S S S S S S S S
TRANSP WIND SPD.26 28 29 29 30 31 31 32 32 32 31 30
LABOR DAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING
MOSTLY SUNNY (30-40 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE MORNING.
MAX TEMPERATURE.....AROUND 93.
MIN HUMIDITY........16-20 PERCENT.
WIND (20 FT)........SOUTH WINDS 15 TO 25 MPH SHIFTING TO THE
SOUTHWEST 15 TO 20 MPH EARLY IN THE MORNING.
GUSTS UP TO 30 MPH. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS LATE IN THE
MORNING.
CWR.................0 PERCENT.
MIXING HEIGHT.......7200 TO 7700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH SHIFTING TO THE WEST IN
THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........58 86 71 66 73 64 87 84 44 30 40 24
WEATHER COV..... SCH SCH SCH
WEATHER TYPE.... RW RW RW
TSTM COV........ SCH SCH SCH
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............71 71 74 76 81 84 87 89 91 92 92 93
RH..............72 71 65 61 48 41 33 29 25 21 19 18
20 FT WIND DIR..S S SW SW SW W W W SW SW SW W
20 FT WIND SPD..21 18 18 18 18 18 18 18 18 18 17 15
20 FT WIND GUST.29 25 25 25 25 25 25 26 26 26 26 25
MIX HGT (KFT)...0.6 0.8 1.3 1.7 1.9 2.6 3.5 4.9 6.3 7.7 6.5 5.2
TRANSP WIND DIR.S S SW W W W W W W W W W
TRANSP WIND SPD.29 28 28 26 26 25 26 28 30 30 29 26
FORECASTER...SE
REQUESTED BY...COLYNN CONDON
TYPE OF REQUEST...WILDFIRE
.TAG 2621329.0/UNR
.DELDT 09/06/26
.FORMATTERVERSION 2.0.0
.EMAIL COLYNN.CONDON@BIA.GOV,TAMARA.RANDAL@BIA.GOV,DARREL.SPOTEDELK@BIA.GOV
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