082
FNUS73 KUNR 231730
FWSUNR
SPOT FORECAST FOR FB 17...ROSEBUD AGENCY
NATIONAL WEATHER SERVICE RAPID CITY SD
1130 AM MDT THU APR 23 2026
FORECAST IS BASED ON FORECAST START TIME OF 1300 CDT ON APRIL 23.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
TEMPERATURES ARE CURRENTLY IN THE MID 60S WITH
RELATIVE HUMIDITY IN THE LOW TO 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 MINUTES) TO 20 TO 30 MPH, GUSTING TO 35 TO 45 MPH.
RELATIVE HUMIDITY WILL INCREASE (40 TO 50 PERCENT) IN THE
AFTERNOON AS THE FRONT PASSES. A FEW RAIN OR SNOW SHOWERS ARE
POSSIBLE THURSDAY EVENING, 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 10PM CDT.
ANOTHER ROUND OF RAIN AND SNOW SHOWERS WILL PASS OVER THE SPOT
LOCATION FRIDAY MORNING INTO THE AFTERNOON, CHANCES FOR WETTING
PRECIPITATION WILL BE MODERATE.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT).
MAX TEMPERATURE.....AROUND 67.
MIN HUMIDITY........20 PERCENT.
WIND (20 FT)........WINDY. NORTHWEST WINDS 30 TO 35 MPH WITH GUSTS
TO AROUND 39 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......7900 TO 8400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 40 TO 45 MPH.
SMOKE DISPERSAL.....EXCELLENT.
TIME (CDT) 2PM 3PM 4PM 5PM 6PM
SKY (%).........35 43 53 61 72
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0
TEMP............66 66 62 61 60
RH..............23 25 31 31 30
20 FT WIND DIR..NW NW NW NW NW
20 FT WIND SPD..30 32 33 32 29
20 FT WIND GUST.36 38 42 38 35
MIX HGT (KFT)...8.0 6.6 6.1 5.8 5.1
TRANSP WIND DIR.W NW NW NW NW
TRANSP WIND SPD.39 41 43 41 38
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF RAIN
SHOWERS OVERNIGHT. CHANCE OF SNOW SHOWERS AFTER
3 AM.
MIN TEMPERATURE.....AROUND 33.
MAX HUMIDITY........73 PERCENT.
WIND (20 FT)........BREEZY. NORTHWEST WINDS 20 TO 30 MPH BECOMING
NORTH 10 TO 15 MPH WITH GUSTS TO AROUND 18 MPH
IN THE LATE EVENING AND OVERNIGHT.
CWR.................20 PERCENT.
MIXING HEIGHT.......1500 TO 2000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 30 TO 40 MPH DECREASING TO 20 TO 30
MPH IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....FAIR DECREASING TO POOR IN THE LATE EVENING AND
OVERNIGHT.
TIME (CDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM
SKY (%).........74 68 52 39 42 42 47 53 62 64 72 74
WEATHER COV..... CHC CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RS RS RS
TSTM COV........
CWR.............20 20 20 20 20 20 20 20 20 20 20 20
TEMP............56 52 48 45 43 40 39 38 38 37 36 35
RH..............34 40 46 50 56 58 61 63 61 63 68 70
20 FT WIND DIR..NW NW N N N N N N N N NW NW
20 FT WIND SPD..26 23 17 12 10 9 10 9 8 8 8 8
20 FT WIND GUST.31 26 22 18 15 15 15 15 16 17 16 15
MIX HGT (KFT)...4.6 3.8 1.8 1.7 1.5 1.7 2.1 1.9 2.0 2.1 2.1 2.2
TRANSP WIND DIR.NW NW NW N N N N N NW NW NW NW
TRANSP WIND SPD.36 32 29 26 26 28 28 26 24 22 21 20
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). CHANCE OF SNOW
SHOWERS EARLY IN THE MORNING. CHANCE OF RAIN
SHOWERS THROUGH THE DAY.
MAX TEMPERATURE.....AROUND 55.
MIN HUMIDITY........32 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 10 MPH SHIFTING TO THE
SOUTHWEST IN THE LATE MORNING AND AFTERNOON.
GUSTS UP TO 18 MPH INCREASING TO 20 MPH LATE IN
THE AFTERNOON.
CWR.................20 PERCENT.
MIXING HEIGHT.......6000 TO 6500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH SHIFTING TO THE WEST
LATE IN THE MORNING.
SMOKE DISPERSAL.....VERY GOOD.
TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........75 76 74 67 57 58 56 54 54 54 65 82
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RS RS RS RS RW RW RW RW RW RW RW RW
TSTM COV........
CWR.............20 20 20 20 20 20 20 20 20 20 20 20
TEMP............35 34 36 39 44 46 48 51 53 53 54 53
RH..............70 73 66 56 49 43 39 36 34 33 32 37
20 FT WIND DIR..NW NW NW W W SW SW SW SW W SW SW
20 FT WIND SPD..8 8 8 8 8 8 8 9 9 10 12 8
20 FT WIND GUST.15 15 13 10 12 13 14 15 18 20 20 18
MIX HGT (KFT)...2.2 2.6 3.0 3.4 4.1 4.8 5.4 5.8 6.2 6.5 5.4 4.3
TRANSP WIND DIR.NW NW NW NW W W SW SW W W W W
TRANSP WIND SPD.18 20 20 21 21 21 20 21 21 21 21 21
FORECASTER...CS
REQUESTED BY...LOREN DRAGG
TYPE OF REQUEST...WILDFIRE
.TAG 2611502.0/UNR
.DELDT 04/23/26
.FORMATTERVERSION 2.0.0
.EMAIL LOREN.DRAGG@BIA.GOV
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