572
FNUS73 KUNR 251220
FWSUNR
SPOT FORECAST FOR SCHENK CANYON...BLM
NATIONAL WEATHER SERVICE RAPID CITY SD
620 AM MDT SAT OCT 25 2025
FORECAST IS BASED ON IGNITION TIME OF 0900 MDT ON OCTOBER 25.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HIGHS TODAY WILL BE IN THE UPPER 60S WITH MINIMUM RHS
DROPPING TO 22 TO 28%. LIGHTER, TERRAIN-DRIVEN WINDS THIS MORNING
WILL INCREASE AND BECOME SOUTH-SOUTHWESTERLY AFTER 1000-1200 WITH
GUSTS OF UP TO 18 MPH.
WINDS WILL REMAIN ELEVATED THROUGH THE OVERNIGHT HOURS, SHIFTING
FROM THE SOUTH-SOUTHEAST TO THE NORTHWEST, GUSTING UP TO 16 MPH.
OVERNIGHT HUMIDITIES WILL RECOVER TO AROUND 53% BY DAYBREAK.
WINDS ON SUNDAY MORNING WILL SHIFT TO THE WEST (10-15 MPH, GUSTS
TO 25) AS A FRONT APPROACHES THE REGION. THERE'S A CHANCE FOR
RAIN/SNOW SHOWERS SUNDAY NIGHT INTO MONDAY MORNING (30-50%). NOT
EXPECTING MUCH SNOW ACCUMULATION, BUT RAIN AMOUNTS OF 0.1-0.2" ARE
POSSIBLE OVERNIGHT SUNDAY (CHANCE OF WETTING RAIN IS AROUND 40%).
REST OF TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 67.
MIN HUMIDITY........22-28 PERCENT.
WIND (20 FT)........LIGHT, TERRAIN-DRIVEN WINDS WILL SHIFT TO THE
SOUTHWEST WITH GUSTS TO AROUND 18 MPH AFTER 10-1200.
STRONGEST WINDS ON EXPOSED, UPPER SLOPES.
CWR.................0 PERCENT.
MIXING HEIGHT.......3100 TO 3600 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 15 MPH SHIFTING TO THE SOUTH LATE IN
THE AFTERNOON.
SMOKE DISPERSAL.....FAIR.
TIME (MDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........2 3 5 1 0 1 4 3 7
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0
TEMP............51 56 59 61 65 65 67 66 62
RH..............39 33 28 26 24 24 22 24 28
20 FT WIND DIR..N SW SW SW SW SW SW S S
20 FT WIND SPD..5 5 6 7 8 9 10 9 8
20 FT WIND GUST.9 9 12 15 16 18 18 18 17
MIX HGT (KFT)...0.5 1.1 1.7 2.1 2.5 2.7 3.6 3.0 0.9
TRANSP WIND DIR.NW W W SW SW SW SW SW S
TRANSP WIND SPD.8 10 13 15 17 17 17 16 15
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 46.
MAX HUMIDITY........53 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 10 MPH SHIFTING TO THE
NORTHWEST OVERNIGHT. GUSTS UP TO 16 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......600 TO 1100 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 15 MPH SHIFTING TO THE SOUTHWEST
AFTER 3 AM.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........14 18 9 17 20 14 19 36 31 32 30 41
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............58 55 54 53 52 51 50 49 48 48 48 48
RH..............33 35 36 38 41 41 42 44 46 46 46 47
20 FT WIND DIR..SE SE SE S SE SE E W NW NW NW NW
20 FT WIND SPD..7 7 7 8 8 8 7 7 7 6 6 6
20 FT WIND GUST.16 16 15 15 15 15 14 14 14 13 13 12
MIX HGT (KFT)...0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6
TRANSP WIND DIR.S S S S S S S S SW SW SW W
TRANSP WIND SPD.14 14 14 14 14 13 13 12 12 12 10 10
SUNDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........30 PERCENT.
WIND (20 FT)........NORTHWEST WINDS AROUND 10 MPH WITH GUSTS TO
AROUND 14 MPH SHIFTING TO THE WEST WITH GUSTS
TO AROUND 25 MPH IN THE LATE MORNING AND
AFTERNOON. STRONGEST WINDS ON EXPOSED,
UPPER SLOPES.
CWR.................0 PERCENT.
MIXING HEIGHT.......5900 TO 6400 FT AGL.
TRANSPORT WINDS.....WEST 10 TO 20 MPH INCREASING TO SOUTHWEST 25 TO
30 MPH LATE IN THE MORNING.
SMOKE DISPERSAL.....GOOD INCREASING TO VERY GOOD LATE IN THE
AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........69 53 45 50 54 54 53 52 51 50 53 57
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............47 46 48 52 56 58 59 61 63 63 62 60
RH..............51 53 49 46 40 39 37 35 31 30 31 33
20 FT WIND DIR..NW N NW W W W W W W W W W
20 FT WIND SPD..6 6 6 7 9 12 14 15 15 14 13 12
20 FT WIND GUST.12 13 14 15 17 21 23 24 25 25 24 22
MIX HGT (KFT)...0.6 0.7 0.8 0.9 1.4 1.9 2.5 3.8 5.1 6.4 4.6 2.7
TRANSP WIND DIR.W W W W W W W W SW SW SW SW
TRANSP WIND SPD.10 10 12 13 17 23 26 28 28 25 23 21
FORECASTER...EW
REQUESTED BY...NATE WIEDOW
TYPE OF REQUEST...PRESCRIBED
.TAG 2524471.0/UNR
.DELDT 10/25/25
.FORMATTERVERSION 2.0.0
.EMAIL NWIEDOW@BLM.GOV
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