199
FNUS73 KUNR 241136
FWSUNR
SPOT FORECAST FOR SCHENK CANYON RX...BLM
NATIONAL WEATHER SERVICE RAPID CITY SD
536 AM MDT FRI OCT 24 2025
FORECAST IS BASED ON IGNITION TIME OF 0600 MDT ON OCTOBER 24.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
LIGHT, TERRAIN DRIVEN WINDS EXPECTED TODAY WITH WARM
AND DRY CONDITIONS. SKIES WILL BE CLEAR WITH A DAYTIME MINIMUM RH
AROUND 26-30%. OVERNIGHT RH RECOVERY WILL BE FAIR (~50%) BY DAYBREAK
SATURDAY.
SATURDAY WILL BE THE WARMEST (HIGHS IN THE UPPER 60S) AND DRIEST
(MINRH IN THE LOW 20S) DAY. LIGHTER, TERRAIN-DRIVEN WINDS WILL
INCREASE AND BECOME SOUTH-SOUTHWESTERLY AFTER 1000-1200 SATURDAY,
WITH GUSTS UP TO 18 MPH.
WINDS WILL REMAIN ELEVATED OVERNIGHT SATURDAY (SW AT 5-10 MPH) WITH
OVERNIGHT RH RECOVERY AROUND 50-55%. WINDS ON SUNDAY WILL BECOME
WESTERLY AT 5 TO 15 MPH AS SYSTEM MOVES THROUGH THE AREA. THERE WILL
BE A CHANCE FOR RAIN/SNOW SHOWERS SUNDAY NIGHT (30-40%) WITH WINDS
SHIFTING TO THE NORTHWEST BY MONDAY MORNING. RAIN/SNOW ACCUMULATION
WILL BE MINIMAL (GENERALLY UNDER 0.05" OF LIQUID).
TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 63.
MIN HUMIDITY........26-30 PERCENT.
WIND (20 FT)........TERRAIN DRIVEN DIURNAL WINDS EXPECTED THROUGHOUT
THE DAY; SUSTAINED AROUND 3-6 MPH WITH OCCASIONAL
GUSTS TO 10-12 MPH AFTER 1200.
CWR.................0 PERCENT.
MIXING HEIGHT.......3900 TO 4400 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH SHIFTING TO THE WEST LATE
IN THE MORNING.
SMOKE DISPERSAL.....FAIR.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........4 5 9 2 3 7 4 4 5 10 5 2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............40 39 40 46 52 55 58 60 61 62 61 59
RH..............52 50 50 42 35 31 29 29 28 26 27 30
20 FT WIND DIR..N N N N W SW S SW SW SW SW S
20 FT WIND SPD..5 5 3 3 2 3 6 6 6 6 6 5
20 FT WIND GUST.8 7 7 7 7 8 9 12 13 13 12 10
MIX HGT (KFT)...0.5 0.5 0.5 0.5 0.9 1.9 2.7 3.1 3.4 4.4 3.1 1.6
TRANSP WIND DIR.N N N N NW W W W W W W SW
TRANSP WIND SPD.9 8 7 7 7 8 9 10 10 12 10 9
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....AROUND 42.
MAX HUMIDITY........49 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 5 MPH SHIFTING TO THE EAST
EARLY IN THE EVENING, THEN INCREASING TO 5 TO
10 MPH IN THE LATE EVENING AND OVERNIGHT.
CONSIDERABLE TERRAIN VARIABILITY.
CWR.................0 PERCENT.
MIXING HEIGHT.......500 TO 1000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH SHIFTING TO THE EAST
EARLY IN THE EVENING.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........6 6 7 11 9 3 5 5 3 6 4 4
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............55 50 49 48 47 47 46 45 45 44 44 44
RH..............35 42 42 44 45 45 45 47 47 49 49 49
20 FT WIND DIR..S E E E E E E E E E E NE
20 FT WIND SPD..3 3 3 5 5 5 6 6 6 6 5 5
20 FT WIND GUST.9 8 8 9 9 9 9 9 9 9 9 8
MIX HGT (KFT)...0.6 0.5 0.5 0.6 0.5 0.6 0.6 0.6 0.6 0.6 0.6 0.6
TRANSP WIND DIR.SW S SE E E E E E E E E E
TRANSP WIND SPD.8 8 8 8 8 9 9 9 9 9 8 8
SATURDAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........23 PERCENT.
WIND (20 FT)........LIGHT, TERRAIN DRIVEN WINDS IN THE MORNING WILL
SHIFTING TO THE SOUTH WITH GUSTS TO AROUND 18 MPH
AFTER ~1000-1200. STRONGEST WINDS ON EXPOSED,
UPPER SLOPES.
CWR.................0 PERCENT.
MIXING HEIGHT.......3000 TO 3500 FT AGL.
TRANSPORT WINDS.....EAST AROUND 10 MPH SHIFTING TO THE SOUTHWEST 10
TO 20 MPH LATE IN THE MORNING.
SMOKE DISPERSAL.....FAIR.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........5 5 6 2 4 5 5 7 8 10 14 19
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............44 43 45 48 54 58 61 63 65 66 64 62
RH..............49 49 49 46 36 32 27 25 24 23 24 27
20 FT WIND DIR..NE NE E E SE S SW SW S S S S
20 FT WIND SPD..5 5 3 3 5 6 7 8 9 10 10 9
20 FT WIND GUST.8 8 8 8 9 12 14 16 17 18 18 17
MIX HGT (KFT)...0.6 0.5 0.5 0.4 1.0 1.5 2.0 2.5 3.0 3.5 2.5 1.5
TRANSP WIND DIR.E E SE SE S SW SW SW SW SW S S
TRANSP WIND SPD.8 7 7 7 8 10 13 15 16 17 17 16
FORECASTER...EW
REQUESTED BY...NATE WIEDOW
TYPE OF REQUEST...PRESCRIBED
.TAG 2524407.0/UNR
.DELDT 10/24/25
.FORMATTERVERSION 2.0.0
.EMAIL NWIEDOW@BLM.GOV
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