825
FNUS73 KUNR 271319
FWSUNR
SPOT FORECAST FOR BAUMAN FIRE...SD-PRA
NATIONAL WEATHER SERVICE RAPID CITY SD
719 AM MDT MON APR 27 2026
FORECAST IS BASED ON FORECAST START TIME OF 0800 MDT ON APRIL 27.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
ANOTHER COOL AND WET DAY WITH SHOWERS THROUGH THE
MORNING HOURS. DAYTIME RELATIVE HUMIDITY WILL FALL TO AROUND 60
PERCENT THIS AFTERNOON AS SHOWERS TAPER OFF AFTER 1300. EXPECT
A LULL IN PRECIPITATION THIS AFTERNOON INTO THE EVENING HOURS
BEFORE ADDITIONAL RAIN/SNOW SHOWERS AFTER 0200-0300 TONIGHT.
NORTHWEST WINDS WILL INCREASE THIS AFTERNOON WITH GUSTS TO AROUND
35 MPH. WINDS WILL GRADUALLY TAPER OFF OVERNIGHT BECOMING LIGHTER
AND VARIABLE AFTER MIDNIGHT. EXCELLENT RH RECOVERY TO AROUND
95 TO 100 PERCENT OVERNIGHT TONIGHT.
LIGHT WINDS WITH SHOWERS AGAIN TUESDAY AS WINDS TURN SOUTHERLY.
THUS FAR, THE WANBLEE SDSU SITE HAS RECORDED 0.66 INCHES OF LIQUID
OVER THE PAST 24 HOURS. EXPECT AN ADDITIONAL 0.1-0.25" OF LIQUID
TODAY THROUGH TUESDAY. SNOW WILL MIX IN WITH RAIN, BUT STRUGGLE TO
ACCUMULATE AND/OR MELT QUICKLY DURING DAYLIGHT HOURS.
REST OF TODAY
SKY/WEATHER.........CLOUDY (90-100 PERCENT). RAIN AND SNOW EARLY IN
THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE
AFTERNOON.
MAX TEMPERATURE.....AROUND 44.
MIN HUMIDITY........60-65 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 35 MPH.
CWR.................60 PERCENT.
MIXING HEIGHT.......3100 TO 3600 FT AGL.
TRANSPORT WINDS.....NORTH 35 TO 40 MPH.
SMOKE DISPERSAL.....VERY GOOD.
TIME (MDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........100 100 98 98 98 98 98 98 96 93
WEATHER COV.....DEF DEF LKY LKY CHC CHC
WEATHER TYPE....RS RS RN RN RW RW
TSTM COV........
CWR.............60 60 60 60 60 60 60 60 60 60
TEMP............34 34 35 37 40 43 44 44 44 44
RH..............100 100 100 97 88 78 73 73 70 68
20 FT WIND DIR..NW NW NW NW NW NW NW N N N
20 FT WIND SPD..16 18 20 24 24 24 24 24 24 20
20 FT WIND GUST.24 29 32 35 35 32 31 30 30 26
MIX HGT (KFT)...1.5 1.6 1.9 2.1 2.5 2.8 3.1 3.4 3.5 3.6
TRANSP WIND DIR.N N N N N N N NW N N
TRANSP WIND SPD.32 35 37 38 39 39 39 38 36 33
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SLIGHT CHANCE OF
SNOW AFTER 3 AM.
MIN TEMPERATURE.....AROUND 31.
MAX HUMIDITY........95-100 PERCENT.
WIND (20 FT)........NORTH WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
23 MPH SHIFTING TO THE WEST 5 TO 10 MPH IN THE
LATE EVENING AND OVERNIGHT.
CWR.................20 PERCENT.
MIXING HEIGHT.......500 TO 1000 FT AGL.
TRANSPORT WINDS.....NORTH 25 TO 30 MPH BECOMING NORTHWEST AROUND 10
MPH.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........92 84 77 73 75 81 81 75 75 77 81 85
WEATHER COV..... SCH SCH SCH
WEATHER TYPE.... SN SN SN
TSTM COV........
CWR.............20 20 20 20 20 20 20 20 20 20 20 20
TEMP............44 42 38 37 36 35 34 34 33 33 33 33
RH..............64 69 79 84 84 87 89 91 91 92 92 89
20 FT WIND DIR..N N N N NW NW W W W W W W
20 FT WIND SPD..17 15 12 8 6 6 5 5 5 5 5 5
20 FT WIND GUST.23 20 15 13 10 8 8 7 7 7 7 7
MIX HGT (KFT)...3.4 1.8 0.7 0.7 0.7 0.6 0.6 0.6 0.5 0.5 0.5 0.5
TRANSP WIND DIR.N N N N N NW NW NW NW NW NW W
TRANSP WIND SPD.30 24 18 14 12 9 8 8 8 8 7 7
TUESDAY
SKY/WEATHER.........CLOUDY (90-100 PERCENT). CHANCE OF SNOW EARLY
IN THE MORNING. CHANCE OF RAIN EARLY IN THE
MORNING, THEN RAIN IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 47.
MIN HUMIDITY........70-75 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 5 MPH SHIFTING TO THE
SOUTHWEST WITH GUSTS TO AROUND 13 MPH.
CWR.................55 PERCENT.
MIXING HEIGHT.......3000 TO 3500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH SHIFTING TO THE SOUTH EARLY
IN THE MORNING, THEN SHIFTING TO THE WEST LATE
IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........88 94 94 94 96 97 98 98 98 98 93 89
WEATHER COV.....CHC CHC CHC CHC CHC CHC DEF DEF DEF DEF DEF DEF
WEATHER TYPE....SN SN RS RN RN RN RN RN RN RN RN RN
TSTM COV........
CWR.............50 50 50 50 50 50 50 50 50 50 50 50
TEMP............32 33 35 37 39 41 42 43 44 45 45 46
RH..............96 96 92 89 85 81 81 78 78 75 74 72
20 FT WIND DIR..W SW S S SW SW SW W SW SW SW SW
20 FT WIND SPD..5 5 5 5 6 6 6 6 7 7 7 7
20 FT WIND GUST.6 7 8 8 9 10 12 13 13 12 13 13
MIX HGT (KFT)...0.5 1.1 1.8 2.4 2.7 3.0 3.3 3.4 3.4 3.5 3.2 2.9
TRANSP WIND DIR.W SW S S S S S SW SW W W W
TRANSP WIND SPD.8 8 9 9 12 13 14 14 14 13 13 13
FORECASTER...SE
REQUESTED BY...IC(T)-BAUER
TYPE OF REQUEST...WILDFIRE
.TAG 2611817.0/UNR
.DELDT 04/27/26
.FORMATTERVERSION 2.0.0
.EMAIL JUSTIN.BAUER@BIA.GOV
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