135
FNUS73 KUNR 231621
FWSUNR
SPOT FORECAST FOR RED STONE COMPLEX...INTERIOR FIRE DEPARTMENT
NATIONAL WEATHER SERVICE RAPID CITY SD
1021 AM MDT THU APR 23 2026
FORECAST IS BASED ON FORECAST START TIME OF 1000 MDT ON APRIL 23.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
TEMPERATURES ARE CURRENTLY IN THE LOW 60S WITH
RELATIVE HUMIDITY IN THE MID 20S PERCENT. WINDS ARE CURRENTLY
SHIFTING TOWARDS THE NORTHWEST AS THE COLD FRONT APPROACHES.
NORTHWEST WINDS ARE EXPECTED TO INCREASE (IN THE NEXT 30 TO 60
MINUTES) TO 20 TO 30 MPH, GUSTING TO 40 TO 50 MPH.
RELATIVE HUMIDITY WILL INCREASE (40 TO 50 PERCENT) IN THE
AFTERNOON AS THE FRONT PASSES. A FEW RAIN OR SNOW SHOWERS WILL
FALL LATER THURSDAY AFTERNOON, BUT CHANCES FOR WETTING
PRECIPITATION WILL BE VERY LOW. WINDS WILL SHIFT TOWARDS THE
NORTH/NORTHWEST AND SLOWLY DIMINISH (GUSTS 15 TO 20 MPH) AROUND
8PM MDT.
ANOTHER ROUND OF RAIN AND SNOW SHOWERS WILL PASS OVER THE SPOT
LOCATION FRIDAY MORNING INTO THE AFTERNOON, BUT CHANCES FOR
WETTING PRECIPITATION WILL BE LOW.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT) THEN BECOMING
PARTLY SUNNY (65-75 PERCENT). ISOLATED RAIN
SHOWERS EARLY IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........WINDY. NORTHWEST WINDS 30 TO 35 MPH WITH GUSTS
TO AROUND 51 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......7000 TO 7500 FT AGL.
TRANSPORT WINDS.....WEST 40 TO 50 MPH.
TIME (MDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........8 17 32 44 56 69 70 68
WEATHER COV..... ISO ISO
WEATHER TYPE.... RW RW
TSTM COV........
CWR.............0 0 0 0 0 0 0 0
TEMP............62 62 63 62 61 60 59 55
RH..............27 31 32 33 34 35 34 38
20 FT WIND DIR..W NW NW NW NW NW NW NW
20 FT WIND SPD..30 31 32 33 33 35 33 29
20 FT WIND GUST.40 45 48 49 50 45 43 38
MIX HGT (KFT)...6.4 7.4 7.5 5.7 5.6 5.4 5.4 5.5
TRANSP WIND DIR.W W W W W NW NW NW
TRANSP WIND SPD.40 43 44 46 48 47 45 41
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF
RAIN AND SNOW OVERNIGHT.
MIN TEMPERATURE.....AROUND 34.
MAX HUMIDITY........68 PERCENT.
WIND (20 FT)........BREEZY. NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS
TO AROUND 35 MPH BECOMING WEST 10 TO 15 MPH.
CWR.................20 PERCENT.
MIXING HEIGHT.......1200 TO 1700 FT AGL.
TRANSPORT WINDS.....NORTHWEST 35 TO 40 MPH DECREASING TO 20 TO 30
MPH EARLY IN THE EVENING.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........68 59 52 39 40 50 74 76 80 78 84 84
WEATHER COV..... CHC CHC CHC CHC CHC CHC
WEATHER TYPE.... RN SN SN SN SN SN
TSTM COV........
CWR.............20 20 20 20 20 20 20 20 20 20 20 20
TEMP............53 50 46 44 43 41 41 39 39 37 37 36
RH..............38 41 48 50 54 55 56 60 61 64 66 65
20 FT WIND DIR..NW NW N N N N NW NW NW NW W W
20 FT WIND SPD..26 23 20 17 15 14 13 12 13 12 12 12
20 FT WIND GUST.35 30 26 22 21 20 18 17 17 17 17 17
MIX HGT (KFT)...5.1 4.2 1.9 1.2 2.2 1.8 2.8 1.8 2.2 2.6 2.2 1.8
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW NW
TRANSP WIND SPD.37 31 26 23 23 23 24 23 22 20 18 17
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF SNOW
EARLY IN THE MORNING. CHANCE OF RAIN IN THE
LATE MORNING AND AFTERNOON.
MAX TEMPERATURE.....AROUND 53.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 15 MPH SHIFTING TO THE
NORTHEAST LATE IN THE AFTERNOON. GUSTS UP TO 20
MPH.
CWR.................25 PERCENT.
MIXING HEIGHT.......6400 TO 6900 FT AGL.
TRANSPORT WINDS.....WEST AROUND 20 MPH.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........76 77 74 71 68 66 64 61 59 56 65 73
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....SN SN SN SN RN RN RN RN RN RN RN RN
TSTM COV........
CWR.............20 20 20 20 20 20 20 20 20 20 20 20
TEMP............36 35 36 40 42 45 47 49 51 52 52 52
RH..............64 68 64 53 47 41 38 35 31 30 30 32
20 FT WIND DIR..NW NW NW NW NW W W W W W NW NE
20 FT WIND SPD..12 12 13 14 14 14 13 13 13 13 13 13
20 FT WIND GUST.16 17 18 18 18 20 20 20 20 20 20 18
MIX HGT (KFT)...1.4 2.2 2.9 3.6 4.1 4.7 5.2 5.8 6.4 6.9 6.0 5.0
TRANSP WIND DIR.NW W W W W W W W W W W W
TRANSP WIND SPD.16 17 18 20 20 20 20 20 20 20 20 20
FORECASTER...CS
REQUESTED BY...CLIFF MCCLURE
TYPE OF REQUEST...WILDFIRE
.TAG 2611447.2/UNR
.DELDT 04/23/26
.FORMATTERVERSION 2.0.0
.EMAIL CORY.SCHULTZ@NOAA.GOV,CHIEF@INTERIORVFD.US
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