536
FNUS73 KUNR 231021
FWSUNR
SPOT FORECAST FOR COYOTE FLATS...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
421 AM MDT MON MAR 23 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON MARCH 23.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WARMER TODAY WITH HIGHS IN THE LOW 60S AND AFTERNOON
HUMIDITIES RANGING FROM ~30 TO 35%. WINDS WILL BE OUT OF THE
SOUTH AT ~10 MPH FOR MUCH OF THE DAY WITH GUSTS OF ~20 MPH, GUSTS
WILL BE MOST LIKELY ON EXPOSED UPPER SLOPES AND UNSHELTERED AREAS.
WINDS WILL SHIFT TO THE EAST BY AROUND ~1400-1500.
WINDS WILL LIGHTEN UP LATER THIS EVENING, BECOMING PRIMARILY
DIURNALLY DRIVEN AFTER AROUND 2200-2300. LOWS WILL BE IN THE LOW
40S WITH FAIR RH RECOVERY (AROUND 59%) EXPECTED. MAXIMUM HUMIDITY
WILL BE ATTAINED BY AROUND 0500 TUESDAY. WARMER ON TUESDAY WITH
HIGHS IN THE UPPER 60S AND AFTERNOON HUMIDITIES RANGING FROM
23-26%. LIGHT, DIURNALLY DRIVEN WINDS EARLY TUESDAY MORNING WILL
SHIFT TO THE SOUTH AND INCREASE TO AROUND 5 TO 10 MPH, WITH GUSTS
AT AROUND 20 MPH. GUSTS WILL BE MOST LIKELY ON UPPER SLOPES AND
UNSHELTERED AREAS. WINDS WILL SHIFT TO THE EAST AND THEN TO THE
NORTH THROUGH THE AFTERNOON HOURS.
WARMER WEATHER IS EXPECTED FOR WEDNESDAY WITH ELEVATED TO NEAR
CRITICAL FIRE WEATHER CONDITIONS.
TODAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).
MAX TEMPERATURE.....AROUND 61.
MIN HUMIDITY........31 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 10 MPH SHIFTING TO THE
EAST LATE IN THE AFTERNOON. GUSTS UP TO 21
MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......4400 TO 4900 FT AGL.
TRANSPORT WINDS.....SOUTH 20 TO 25 MPH SHIFTING TO THE NORTHEAST
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........80 79 79 82 76 71 66 65 63 55 49 49
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............36 38 40 44 48 53 56 59 60 60 61 60
RH..............73 68 62 55 48 41 37 33 32 32 31 31
20 FT WIND DIR..S S S S S S S SE SE E E NE
20 FT WIND SPD..8 9 9 10 9 9 9 9 9 9 8 8
20 FT WIND GUST.18 18 18 20 18 20 21 21 21 21 20 18
MIX HGT (KFT)...0.5 0.5 0.6 0.8 1.6 2.0 2.5 3.0 3.7 4.9 4.5 4.3
TRANSP WIND DIR.S S S S S S S SE E NE NE NE
TRANSP WIND SPD.21 21 21 21 20 18 18 18 18 17 17 16
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (30-40 PERCENT).
MIN TEMPERATURE.....AROUND 41.
MAX HUMIDITY........59 PERCENT.
WIND (20 FT)........NORTHEAST WINDS OF AROUND 10 MPH, GUSTING TO 18
MPH EARLY IN THE EVENING. WINDS WILL BECOME LIGHT
AND PRIMARILY DIURNALLY DRIVEN AFTER AROUND 2200-2300.
CWR.................0 PERCENT.
MIXING HEIGHT.......400 TO 900 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 15 MPH SHIFTING TO THE WEST AFTER
3 AM.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........58 53 47 44 30 26 38 40 43 40 47 34
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............59 55 51 48 46 46 44 44 43 43 42 41
RH..............33 38 44 49 51 52 57 54 56 56 57 58
20 FT WIND DIR..NE NE N NW NW W W W W W SW SW
20 FT WIND SPD..7 6 6 5 5 3 3 3 3 5 3 3
20 FT WIND GUST.18 16 15 14 13 12 12 12 12 12 12 12
MIX HGT (KFT)...3.3 0.8 0.6 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.NE N N N NW NW W W W W W W
TRANSP WIND SPD.15 14 13 12 10 9 9 9 9 9 9 9
TUESDAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
MAX TEMPERATURE.....AROUND 67.
MIN HUMIDITY........23 PERCENT.
WIND (20 FT)........LIGHT, DIURNALLY DRIVEN WINDS EARLY IN THE MORNING.
WINDS WILL SHIFT TO THE SOUTH AT 5 TO 10 MPH WITH GUSTS
TO AROUND 20 MPH AFTER 10-11 AM. WINDS WILL SHIFT
TO THE EAST AND THEN TO THE NORTH THROUGH THE AFTERNOON
HOURS.
CWR.................0 PERCENT.
MIXING HEIGHT.......5700 TO 6200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH SHIFTING TO THE SOUTH
10 TO 20 MPH LATE IN THE MORNING, THEN SHIFTING
TO THE SOUTHEAST AROUND 20 MPH EARLY IN THE
AFTERNOON SHIFTING TO THE NORTH LATE IN THE
AFTERNOON.
SMOKE DISPERSAL.....GOOD.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........51 59 61 64 56 49 41 44 48 52 57 62
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............42 43 46 50 54 59 62 65 66 67 67 66
RH..............55 54 50 45 39 33 28 26 24 23 23 24
20 FT WIND DIR..SW SW S S S S SE SE NE N N N
20 FT WIND SPD..3 3 3 3 5 7 8 8 8 8 8 8
20 FT WIND GUST.12 12 12 13 14 17 20 21 22 22 22 20
MIX HGT (KFT)...0.4 0.6 0.7 0.8 1.7 2.5 3.4 4.3 5.2 6.2 4.7 3.2
TRANSP WIND DIR.SW SW S S S S S SE NE N N NE
TRANSP WIND SPD.9 9 9 9 12 14 16 17 18 18 17 16
FORECASTER...EW
REQUESTED BY...RYAN FLYNN
TYPE OF REQUEST...WILDFIRE
.TAG 2606979.2/UNR
.DELDT 03/23/26
.FORMATTERVERSION 2.0.0
.EMAIL THOMAS.ROERICK@USDA.GOV,SDGPC@FIRENET.GOV,JEREMY.DALMAN@USDA.GOV,WAYNE.YANDERS@USDA.GOV
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