998
FNUS73 KUNR 271329
FWSUNR
SPOT FORECAST FOR LONG DRAW...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
729 AM MDT MON JUL 27 2026
FORECAST IS BASED ON FORECAST START TIME OF 1100 MDT ON JULY 27.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HOT AND ACTIVE WEATHER IS EXPECTED THIS WEEK. HIGHS
TODAY WILL BE IN THE UPPER 90S WITH MID 90S TOMORROW. MINIMUM
RELATIVE HUMIDITY TODAY AND TUESDAY WILL BE IN THE LOWER 20S.
SOUTHWEST WINDS THIS MORNING WILL BECOME NORTH THIS AFTERNOON,
THEN SHIFT BACK SOUTH TONIGHT INTO TUESDAY MORNING.
THUNDERSTORMS WILL DEVELOP THIS AFTERNOON, MOST LIKELY BETWEEN
200PM AND 800PM. THUNDERSTORMS WILL HAVE STRONG, GUSTY ERRATIC
WIND POTENTIALLY IN EXCESS OF 50MPH. SIMILAR THUNDERSTORM CHANCES
ARE EXPECTED TUESDAY AFTERNOON, BUT PERHAPS WITH A LESSER WIND
THREAT.
TODAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).
SCATTERED SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 99.
MIN HUMIDITY........22 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 10 MPH SHIFTING TO THE
NORTH LATE IN THE AFTERNOON. GUSTS UP TO 20
MPH. STRONG GUSTY, ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS IN THE AFTERNOON.
CWR.................35 PERCENT.
MIXING HEIGHT.......10300 TO 10800 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 20 MPH SHIFTING TO THE NORTHWEST
EARLY IN THE AFTERNOON, THEN SHIFTING TO THE
NORTH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....VERY GOOD INCREASING TO EXCELLENT LATE IN THE
AFTERNOON, THEN DECREASING TO GOOD LATE IN THE
AFTERNOON.
TIME (MDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........43 55 55 55 55 55 58
WEATHER COV..... SCT SCT SCT SCT SCT SCT
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ SCT SCT SCT SCT SCT SCT
CWR.............30 30 30 30 30 30 30
TEMP............90 92 93 94 98 99 96
RH..............31 28 27 26 23 22 26
20 FT WIND DIR..S SW W W NW N NE
20 FT WIND SPD..7 7 6 6 7 7 5
20 FT WIND GUST.17 17 17 17 17 18 18
MIX HGT (KFT)...4.0 5.4 7.8 8.6 11 6.6 4.8
TRANSP WIND DIR.S SE S W NW N NE
TRANSP WIND SPD.16 16 17 20 22 22 21
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
PARTLY CLOUDY (30-40 PERCENT). SCATTERED
SHOWERS AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....AROUND 65.
MAX HUMIDITY........73 PERCENT.
WIND (20 FT)........NORTHEAST WINDS AROUND 10 MPH SHIFTING TO THE
SOUTHEAST IN THE EVENING. GUSTS UP TO 15 MPH.
STRONG GUSTY, ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS IN THE EVENING.
CWR.................15 PERCENT.
MIXING HEIGHT.......500 TO 1000 FT AGL.
TRANSPORT WINDS.....EAST AROUND 20 MPH SHIFTING TO THE SOUTH EARLY
IN THE EVENING.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........70 62 82 81 69 69 74 58 55 37 34 31
WEATHER COV.....SCT SCT SCT SCT SCT SCT
WEATHER TYPE....RW RW RW RW RW RW
TSTM COV........SCT SCT SCT SCT SCT SCT
CWR.............20 20 20 20 20 20 20 20 20 20 20 20
TEMP............90 86 82 79 77 76 74 73 72 69 68 67
RH..............33 37 43 45 48 48 51 55 57 66 68 70
20 FT WIND DIR..NE SE SE SE S S S S S S S S
20 FT WIND SPD..8 7 7 7 8 8 8 8 7 8 7 7
20 FT WIND GUST.17 15 15 15 15 14 15 14 14 15 14 13
MIX HGT (KFT)...3.2 1.5 0.7 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.NE E SE SE S S S S S S S S
TRANSP WIND SPD.20 18 17 15 14 14 14 14 15 15 14 14
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 95.
MIN HUMIDITY........23 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 10 MPH SHIFTING TO THE EAST IN
THE AFTERNOON. GUSTS AROUND 15 MPH. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
THE AFTERNOON.
CWR.................20 PERCENT.
MIXING HEIGHT.......9100 TO 9600 FT AGL INCREASING TO 10400 TO
10900 FT AGL LATE IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH SHIFTING TO THE SOUTHEAST
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD INCREASING TO VERY GOOD LATE IN THE
AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........32 34 46 45 39 25 19 21 17 16 11 47
WEATHER COV..... CHC CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ CHC CHC CHC CHC CHC CHC
CWR.............20 20 20 20 20 20 20 20 20 20 20 20
TEMP............66 69 72 77 83 87 90 92 93 93 94 93
RH..............73 68 64 54 43 36 31 27 25 25 23 25
20 FT WIND DIR..S S S S S SE SE E E E E E
20 FT WIND SPD..7 6 6 5 5 5 6 6 6 7 7 7
20 FT WIND GUST.13 12 12 12 12 12 13 13 14 16 16 17
MIX HGT (KFT)...0.5 0.8 1.1 1.4 3.3 5.2 7.0 8.3 9.6 11 9.0 7.1
TRANSP WIND DIR.S S S S S SE SE SE SE SE SE SE
TRANSP WIND SPD.13 12 10 10 10 10 12 12 13 14 15 15
FORECASTER...EH
REQUESTED BY...KELTY SILBERNAGEL
TYPE OF REQUEST...WILDFIRE
.TAG 2618289.1/UNR
.DELDT 07/27/26
.FORMATTERVERSION 2.0.0
.EMAIL SDGPC@FIRENET.GOV
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