051
FNUS73 KUNR 142220 AAB
FWSUNR
SPOT FORECAST FOR NORTH S AND G...UPDATED
NATIONAL WEATHER SERVICE RAPID CITY SD
420 PM MDT SUN SEP 14 2025
FORECAST IS BASED ON FORECAST START TIME OF 1800 MDT ON SEPTEMBER 14.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY CONDITIONS ARE NOW EXPECTED THE REMAINDER OF TODAY OVER THE
SPOT LOCATION. CLOUDS WILL KEEP TEMPERATURES COOLER WITH HIGHER
MIN HUMIDITY UNTIL TOMORROW AFTERNOON, WHERE MIN RH'S WILL DROP
DOWN TO THE LOW 20S OVER THE SPOT LOCATION. WINDS WILL BECOMING
RELATIVELY LIGHT AND VARIABLE THIS EVENING AND OVERNIGHT. ISOLATED
SHOWERS AND STORMS WILL BE POSSIBLE MONDAY EVENING INTO TUESDAY,
WITH INCREASING CHANCES FOR PRECIPITATION TOWARDS MID-WEEK.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT) THEN BECOMING
PARTLY CLOUDY (25-35 PERCENT).
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........83 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO
AROUND 14 MPH SHIFTING TO THE EAST WITH GUSTS
TO AROUND 10 MPH EARLY IN THE EVENING, THEN
SHIFTING TO THE NORTHWEST OVERNIGHT.
CWR.................0 PERCENT.
MIXING HEIGHT.......400 TO 900 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 15 MPH SHIFTING TO THE SOUTHEAST
EARLY IN THE EVENING, THEN SHIFTING TO THE EAST
OVERNIGHT SHIFTING TO THE NORTH OVERNIGHT.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........95 86 89 89 79 61 45 27 19 11 10 11
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............64 63 59 57 56 55 54 55 55 54 54 54
RH..............54 60 72 80 80 83 80 74 72 71 64 64
20 FT WIND DIR..NW NW E E E NE NW NW NW NW NW NW
20 FT WIND SPD..6 5 3 3 2 2 2 2 2 2 2 2
20 FT WIND GUST.14 13 12 10 9 9 8 8 8 8 8 8
MIX HGT (KFT)...2.6 0.9 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.W SW S SE SE SE SE E NE N N N
TRANSP WIND SPD.12 10 9 8 7 7 6 6 6 6 7 7
MONDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 78.
MIN HUMIDITY........21 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH SHIFTING TO THE
WEST LATE IN THE MORNING, THEN INCREASING TO 5
TO 10 MPH WITH GUSTS TO AROUND 18 MPH IN THE
LATE MORNING AND AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......9400 TO 9900 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE WEST
EARLY IN THE MORNING, THEN INCREASING TO 20 TO
25 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD INCREASING TO EXCELLENT LATE IN THE
AFTERNOON, THEN DECREASING TO GOOD LATE IN THE
AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........15 41 20 11 2 3 2 9 12 22 31 41
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............53 54 58 63 69 72 75 76 76 78 76 76
RH..............64 61 55 46 35 29 25 24 22 21 24 26
20 FT WIND DIR..NW NW NW W W W W W W SW W W
20 FT WIND SPD..3 3 2 3 5 6 7 8 8 9 8 7
20 FT WIND GUST.9 8 8 8 10 12 16 17 18 13 12 9
MIX HGT (KFT)...0.4 0.4 0.3 0.8 2.9 4.8 6.5 7.7 8.8 9.9 7.8 5.6
TRANSP WIND DIR.N NW W W W W SW W W W W W
TRANSP WIND SPD.8 7 7 7 9 12 15 17 20 21 18 16
MONDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT). CHANCE OF RAIN
SHOWERS IN THE EVENING, THEN SLIGHT CHANCE OF
RAIN SHOWERS OVERNIGHT.
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........71 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH SHIFTING TO THE
NORTH AFTER 3 AM. GUSTS UP TO 16 MPH.
CWR.................20 PERCENT.
MIXING HEIGHT.......300 TO 800 FT AGL.
TRANSPORT WINDS.....WEST AROUND 15 MPH SHIFTING TO THE NORTHEAST
EARLY IN THE EVENING, THEN SHIFTING TO THE
NORTHWEST LATE IN THE EVENING.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........33 43 40 45 62 55 47 49 52 54 52 49
WEATHER COV.....CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........
CWR.............20 20 20 20 20 20 20 20 20 20 20 20
TEMP............72 68 65 62 60 58 56 55 55 55 54 52
RH..............29 35 41 46 53 60 64 66 64 64 66 71
20 FT WIND DIR..W W SW SW SW W NW NW NW N N N
20 FT WIND SPD..6 6 6 6 6 5 5 5 6 6 6 6
20 FT WIND GUST.16 15 14 14 13 13 12 12 12 12 12 13
MIX HGT (KFT)...3.4 2.4 1.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.3
TRANSP WIND DIR.W NW N NE NE NW W W NW NW NW N
TRANSP WIND SPD.13 13 12 12 12 10 10 10 10 10 12 12
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). CHANCE OF RAIN
SHOWERS IN THE AFTERNOON. SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........42 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 10 MPH SHIFTING TO THE
NORTHWEST LATE IN THE MORNING, THEN SHIFTING TO
THE SOUTHWEST LATE IN THE MORNING SHIFTING TO
THE SOUTH EARLY IN THE AFTERNOON SHIFTING TO
THE EAST SHIFTING TO THE NORTHEAST LATE IN THE
AFTERNOON. GUSTS UP TO 16 MPH. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE
IN THE AFTERNOON.
CWR.................25 PERCENT.
MIXING HEIGHT.......5100 TO 5600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH SHIFTING TO THE
SOUTHWEST EARLY IN THE MORNING, THEN SHIFTING
TO THE SOUTH LATE IN THE AFTERNOON SHIFTING TO
THE EAST LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........47 41 36 30 33 35 38 42 46 50 54 58
WEATHER COV..... CHC CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH
CWR.............20 20 20 20 20 20 20 20 20 20 20 20
TEMP............52 53 56 58 62 65 67 69 69 69 68 66
RH..............71 71 66 64 56 48 45 42 42 42 45 50
20 FT WIND DIR..N N N N NW SW S S SE E E NE
20 FT WIND SPD..6 6 5 5 5 6 6 6 7 7 7 7
20 FT WIND GUST.13 13 12 12 12 13 14 15 15 16 16 16
MIX HGT (KFT)...0.3 0.7 1.1 1.5 2.5 3.5 4.6 4.9 5.2 5.6 4.6 3.7
TRANSP WIND DIR.N NW SW S SW W W W SW SW S E
TRANSP WIND SPD.12 10 10 9 10 10 12 13 14 14 14 14
FORECASTER...AD
REQUESTED BY...HANJE
TYPE OF REQUEST...WILDFIRE
.TAG 2521900.2/UNR
.DELDT 09/14/25
.FORMATTERVERSION 2.0.0
.EMAIL SDGPC@FIRENET.GOV
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