395
FNUS73 KUNR 241547
FWSUNR
SPOT FORECAST FOR MURPHY FIRE...SDS
NATIONAL WEATHER SERVICE RAPID CITY SD
947 AM MDT FRI APR 24 2026
FORECAST IS BASED ON FORECAST START TIME OF 1000 MDT ON APRIL 24.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
TEMPERATURES ARE CURRENTLY IN THE LOW 30S WITH
RELATIVE HUMIDITY IN THE LOW 90 PERCENT. WINDS ARE CURRENTLY
SOUTHERLY/SOUTHEASTERLY AT 5 MPH GUSTING TO 10 MPH.
A LIGHT SOUTHERLY WIND WILL PERSIST THROUGH THE MORNING BEFORE
SHIFTING TO THE NORTH THIS AFTERNOON. WINDS WILL GENERALLY BE
TERRAIN DRIVEN THROUGHOUT THE DAY. TEMPERATURES WILL REMAIN COOL
TODAY (30S TO LOW 40S), WITH RELATIVE HUMIDITY VALUES DECREASING
INTO THE 70 PERCENT RANGE. AN INCREASE IN RAIN AND SNOW WILL MOVE
OVER THE SPOT LOCATION WITHIN THE NEXT HOUR OR SO WITH A 35
PERCENT TO 45 PERCENT CHANCE FOR 0.10" OVER THE NEXT 6 HOURS.
WINDS WILL REMAIN NORTHERLY THIS EVENING INTO THE OVERNIGHT HOURS.
PRECIPITATION WILL MOVE OUT OF THE SPOT LOCATION THIS EVENING.
THERE WILL BE CHANCES FOR LIGHT PRECIPITATION AGAIN ON SATURDAY.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SNOW SHOWERS
LATE IN THE MORNING. RAIN SHOWERS LATE IN THE
MORNING, THEN CHANCE OF RAIN LATE IN THE
AFTERNOON.
MAX TEMPERATURE.....AROUND 41.
MIN HUMIDITY........70 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 14
MPH SHIFTING TO THE NORTHEAST WITH GUSTS TO
AROUND 15 MPH LATE IN THE AFTERNOON, THEN
SHIFTING TO THE NORTH WITH GUSTS TO AROUND 15
MPH LATE IN THE AFTERNOON.
CWR.................55 PERCENT.
MIXING HEIGHT.......3800 TO 4300 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH SHIFTING TO THE NORTHWEST
LATE IN THE AFTERNOON, THEN SHIFTING TO THE
NORTH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR.
TIME (MDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........88 92 86 82 80 81 75 79
WEATHER COV.....DEF DEF DEF DEF DEF DEF CHC CHC
WEATHER TYPE....SW RS RS RW RW RW RN RN
TSTM COV........
CWR.............50 50 50 50 50 50 50 50
TEMP............33 35 37 39 40 40 41 40
RH..............98 81 78 76 75 72 70 73
20 FT WIND DIR..S S S S SE NE NE N
20 FT WIND SPD..5 6 7 7 7 8 8 10
20 FT WIND GUST.8 10 14 14 14 14 15 15
MIX HGT (KFT)...2.3 2.6 2.7 3.1 3.7 4.3 4.0 3.5
TRANSP WIND DIR.S S S SW W NW NW N
TRANSP WIND SPD.12 13 14 15 15 15 16 17
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF RAIN
EARLY IN THE EVENING. SLIGHT CHANCE OF SNOW
EARLY IN THE EVENING.
MIN TEMPERATURE.....AROUND 28.
MAX HUMIDITY........86 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 10 MPH. GUSTS UP TO 15 MPH
DECREASING TO 10 MPH IN THE LATE EVENING AND
OVERNIGHT.
CWR.................30 PERCENT.
MIXING HEIGHT.......700 TO 1200 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10 TO 20 MPH.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........75 81 85 80 72 68 62 60 56 56 59 60
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RN RN RN SN SN SN SN SN SN SN SN SN
TSTM COV........
CWR.............30 30 30 30 30 30 30 30 30 30 30 30
TEMP............40 38 35 34 33 32 32 30 29 28 28 28
RH..............73 76 82 82 82 81 78 83 86 85 81 81
20 FT WIND DIR..N N N N N NW N N N N N N
20 FT WIND SPD..10 9 8 7 6 6 6 6 6 6 6 6
20 FT WIND GUST.15 14 13 12 10 10 10 12 12 12 12 12
MIX HGT (KFT)...2.7 2.0 1.1 0.8 0.8 0.8 0.8 0.7 0.7 0.7 0.7 0.7
TRANSP WIND DIR.N N N N N NW NW NW NW NW NW NW
TRANSP WIND SPD.18 17 16 15 15 15 14 13 12 10 10 10
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF SNOW
SHOWERS IN THE MORNING AND EARLY AFTERNOON.
CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 45.
MIN HUMIDITY........49 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 10 MPH SHIFTING TO THE EAST
IN THE AFTERNOON. GUSTS UP TO 20 MPH.
CWR.................30 PERCENT.
MIXING HEIGHT.......5200 TO 5700 FT AGL.
TRANSPORT WINDS.....NORTH 10 TO 15 MPH SHIFTING TO THE NORTHEAST
LATE IN THE MORNING, THEN SHIFTING TO THE SOUTH
LATE IN THE MORNING.
SMOKE DISPERSAL.....GOOD.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........71 71 74 78 79 80 81 78 76 73 72 71
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....SW SW SW SW SW SW SW RS RS RW RW RW
TSTM COV........
CWR.............30 30 30 30 30 30 30 30 30 30 30 30
TEMP............28 28 31 34 36 37 39 42 44 44 44 44
RH..............78 84 74 66 62 61 57 51 49 49 49 49
20 FT WIND DIR..NW N N N N NE NE E E E E E
20 FT WIND SPD..6 6 6 6 7 8 9 10 10 10 10 10
20 FT WIND GUST.13 13 13 14 15 17 18 20 20 20 20 20
MIX HGT (KFT)...0.6 1.3 1.9 2.6 3.3 4.0 4.8 5.1 5.4 5.7 5.5 5.2
TRANSP WIND DIR.NW NW N N NE SE S S S S S S
TRANSP WIND SPD.10 10 10 12 14 15 16 17 18 18 18 18
FORECASTER...CS
REQUESTED BY...SAMANTHA
TYPE OF REQUEST...WILDFIRE
.TAG 2611640.0/UNR
.DELDT 04/24/26
.FORMATTERVERSION 2.0.0
.EMAIL SDGPC@FIRENET.GOV
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