806
FNUS73 KUNR 230301
FWSUNR
SPOT FORECAST FOR STAN MARK...SD-GPC
NATIONAL WEATHER SERVICE RAPID CITY SD
801 PM MST MON DEC 22 2025
FORECAST IS BASED ON FORECAST START TIME OF 2000 MST ON DECEMBER 22.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY CONDITIONS AND ABOVE NORMAL TEMPERATURES ARE
EXPECTED OVER THE SPOT LOCATION THE NEXT FEW DAYS. WINDS ARE
CURRENTLY LIGHT OUT OF THE NORTHWEST, BUT EXPECT A SHIFT TO OUT OF
THE SOUTH AROUND OR SHORTLY AFTER MIDNIGHT. BREEZY WINDS ARE
EXPECTED BOTH TUESDAY AND WEDNESDAY. COUPLED WITH THE WARM AND DRY
WEATHER, THIS WILL MAKE FOR ELEVATED FIRE CONDITIONS. EXPECT THE
WINDS TO BE PREDOMINANTLY OUT OF THE SOUTHWEST BOTH TUESDAY AND
WEDNESDAY.
REST OF TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT).
MIN TEMPERATURE.....AROUND 35.
MAX HUMIDITY........79 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH WITH GUSTS TO
AROUND 14 MPH SHIFTING TO THE SOUTH WITH GUSTS
TO AROUND 13 MPH OVERNIGHT.
CWR.................0 PERCENT.
MIXING HEIGHT.......400 TO 900 FT AGL.
TRANSPORT WINDS.....WEST AROUND 10 MPH SHIFTING TO THE SOUTHWEST
LATE IN THE EVENING.
SMOKE DISPERSAL.....POOR.
TIME (MST) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........38 35 39 49 52 54 49 44 44 49
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0
TEMP............39 43 41 40 39 38 37 37 37 37
RH..............79 65 71 75 78 79 79 75 75 72
20 FT WIND DIR..NW SW SW SW SW S S S S S
20 FT WIND SPD..3 3 2 2 2 2 2 2 3 3
20 FT WIND GUST.14 10 7 3 6 6 9 10 12 13
MIX HGT (KFT)...0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.W W SW SW SW SW SW SW SW SW
TRANSP WIND SPD.9 8 7 8 8 8 9 10 13 14
TUESDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........28 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO
AROUND 24 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......1500 TO 2000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 TO 25 MPH INCREASING TO 20 TO 25
MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........50 49 46 43 40 40 41 46 66 69 74 78
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............38 39 42 46 50 54 57 58 58 57 54 51
RH..............67 67 57 47 39 34 30 28 28 29 31 33
20 FT WIND DIR..S SW SW SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..5 5 6 6 7 8 8 8 8 7 7 7
20 FT WIND GUST.15 16 18 21 22 23 24 24 24 22 21 17
MIX HGT (KFT)...0.4 0.4 0.5 0.9 1.3 1.8 1.9 2.0 2.0 1.6 1.1 0.6
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW
TRANSP WIND SPD.15 17 18 21 23 24 25 25 24 23 21 18
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (55-65 PERCENT).
MIN TEMPERATURE.....AROUND 46.
MAX HUMIDITY........36 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 10 MPH. GUSTS UP TO 25 MPH
INCREASING TO 28 MPH OVERNIGHT.
CWR.................0 PERCENT.
MIXING HEIGHT.......500 TO 1000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH INCREASING TO WEST 30 TO
40 MPH IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....POOR.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........71 63 58 48 58 68 62 57 51 54 56 59
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............50 50 50 50 51 51 51 50 50 50 49 49
RH..............36 36 36 34 33 33 32 33 31 30 31 31
20 FT WIND DIR..SW W W W W W W W W W W W
20 FT WIND SPD..7 7 7 7 7 7 8 8 9 9 10 10
20 FT WIND GUST.16 16 18 18 21 22 24 25 28 28 28 26
MIX HGT (KFT)...0.6 0.5 0.5 0.5 0.6 0.7 0.7 0.7 0.7 0.7 0.7 0.7
TRANSP WIND DIR.SW SW SW SW W W W W W W W W
TRANSP WIND SPD.16 16 17 23 30 36 37 37 35 33 31 29
FORECASTER...AD
REQUESTED BY...MATT KARGES
TYPE OF REQUEST...WILDFIRE
.TAG 2528035.0/UNR
.DELDT 12/22/25
.FORMATTERVERSION 2.0.0
.EMAIL SDGPC@FIRENET.GOV
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