386
FNUS73 KUNR 192354
FWSUNR
SPOT FORECAST FOR RED CANYON...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
554 PM MDT WED AUG 19 2026
FORECAST IS BASED ON FORECAST START TIME OF 1800 MDT ON AUGUST 19.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WINDS WILL CONTINUE OUT OF THE NORTHWEST OVER THE
SPOT LOCATION OVER THE NEXT COUPLE HOURS, WITH GUSTS UP TO 10 MPH.
EXPECT WINDS TO BECOME LIGHT AND VARIABLE AFTER AROUND 8PM MDT.
THURSDAY MORNING WINDS PICK BACK UP OUT OF THE NORTH TO NORTHWEST
AGAIN, BUT WITH LIGHT GUSTS TO AROUND 14 MPH. EXPECT A WIND SHIFT
THURSDAY EVENING TO OUT OF THE SOUTH, BUT REMAINING RELATIVELY
LIGHT. DRY CONDITIONS ARE EXPECTED THE OVER THE SPOT LOCATION THE
NEXT COUPLE OF DAYS. RH RECOVERY TONIGHT AND THURSDAY NIGHT IS
ONLY EXPECTED TO BE POOR TO FAIR (50-55%), WITH MIN RH TOMORROW
SIMILAR TO TODAY (18%).
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....AROUND 59.
MAX HUMIDITY........53 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO
AROUND 15 MPH SHIFTING TO THE WEST EARLY IN THE
EVENING, THEN SHIFTING TO LIGHT AND VARIABLE OVERNIGHT.
CWR.................0 PERCENT.
MIXING HEIGHT.......500 TO 1000 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 15 MPH SHIFTING TO THE SOUTHWEST IN
THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........14 19 12 8 11 24 11 6 5 6 6 13
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............83 80 75 70 67 65 63 62 62 61 60 59
RH..............21 23 26 30 36 38 41 44 46 48 49 53
20 FT WIND DIR..NW NW W SW SW S S S S S S S
20 FT WIND SPD..6 5 3 2 2 2 3 5 5 6 6 6
20 FT WIND GUST.15 10 8 7 7 6 7 9 9 10 12 13
MIX HGT (KFT)...9.6 3.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.NW W W W SW SW S S S S S S
TRANSP WIND SPD.15 13 9 6 6 6 7 9 10 12 12 12
THURSDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 88.
MIN HUMIDITY........18 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 13
MPH SHIFTING TO THE SOUTHWEST EARLY IN THE
MORNING, THEN SHIFTING TO THE NORTH WITH GUSTS
TO AROUND 12 MPH LATE IN THE MORNING INCREASING
TO 5 TO 10 MPH WITH GUSTS TO AROUND 16 MPH IN
THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......9800 TO 10300 FT AGL INCREASING TO 10600 TO
11100 FT AGL LATE IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH SHIFTING TO THE NORTH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD INCREASING TO VERY GOOD IN THE AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........20 26 8 2 5 5 3 8 8 7 5 6
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............60 63 68 74 78 81 83 85 86 87 88 87
RH..............51 48 44 37 30 25 24 21 20 19 18 18
20 FT WIND DIR..S S S SW NW N N N N NW NW N
20 FT WIND SPD..6 5 3 3 3 3 3 5 5 6 6 6
20 FT WIND GUST.13 10 9 9 9 10 12 14 15 16 16 15
MIX HGT (KFT)...0.5 0.5 0.5 1.9 5.3 7.3 8.8 9.5 10 11 9.5 8.0
TRANSP WIND DIR.S SW SW W W W W W NW NW NW N
TRANSP WIND SPD.12 10 8 8 9 10 13 14 15 15 15 14
THURSDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 63.
MAX HUMIDITY........52 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 10 MPH SHIFTING TO THE
SOUTH IN THE LATE EVENING AND OVERNIGHT. GUSTS
UP TO 15 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......500 TO 1000 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 15 MPH SHIFTING TO THE SOUTH
LATE IN THE EVENING.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........14 27 10 23 18 10 13 15 29 36 32 42
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............85 81 76 72 69 67 66 66 66 65 64 64
RH..............20 24 26 33 37 40 42 43 43 46 48 50
20 FT WIND DIR..N NE E SE SE S S S S S S S
20 FT WIND SPD..7 5 5 5 5 5 6 7 7 7 7 7
20 FT WIND GUST.15 12 10 10 10 10 12 13 13 14 13 14
MIX HGT (KFT)...6.5 4.5 2.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.N NE E SE SE S S S S S S S
TRANSP WIND SPD.13 13 13 12 12 10 10 12 13 13 14 13
FORECASTER...AD
REQUESTED BY...BRANDON FISCHER
TYPE OF REQUEST...WILDFIRE
.TAG 2620042.0/UNR
.DELDT 08/19/26
.FORMATTERVERSION 2.0.0
.EMAIL BRANDON.FISCHER@USDA.GOV
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