887
FNUS73 KUNR 201201
FWSUNR
SPOT FORECAST FOR COYOTE FLATS...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
601 AM MDT FRI MAR 20 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON MARCH 20.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 9 PM MDT
THIS EVENING...
DISCUSSION
CRITICAL FIRE WEATHER CONDITIONS WILL DEVELOP THIS
AFTERNOON AS HIGHS PUSH CLOSE TO 80 WITH RELATIVE HUMIDITY
BOTTOMING OUT AROUND 14 PERCENT AND WEST WINDS GUSTING ON
RIDGETOPS TO 25 MPH. ANOTHER NIGHT OF VERY POOR RH RECOVERY
TONIGHT INTO SATURDAY, ONLY RECOVERING TO AROUND 32 PERCENT.
EVEN WARMER SATURDAY (MID TO UPPER 80S) WITH HUMIDITIES DROPPING
AS LOW AS 10%. STRONGER WEST-NORTHWEST WINDS WITH GUSTS IN EXPOSED
AREAS AND RIDGETOPS AROUND 30 MPH. A COLD FRONT WILL PUSH THROUGH
AFTER 1700-1800, SHIFTING WINDS OUT OF THE NORTH-NORTHWEST AND
BRINGING COOLER TEMPERATURES OVERNIGHT INTO SUNDAY. LITTLE TO NO
PRECIPITATION EXPECTED WITH THE FRONTAL PASSAGE. ELEVATED TO NEAR-
CRITICAL FIRE WEATHER CONDITIONS PERSIST SUNDAY INTO NEXT WEEK.
TODAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........14 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25
MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......9900 TO 10400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 20 TO 30 MPH.
SMOKE DISPERSAL.....GOOD INCREASING TO EXCELLENT.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........19 24 31 34 35 34 22 10 7 7 9 14
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............53 53 55 59 65 69 72 76 78 78 78 75
RH..............34 35 33 29 25 21 19 17 15 15 14 15
20 FT WIND DIR..W W W W W W W W W W W NW
20 FT WIND SPD..6 6 7 8 9 9 10 10 12 12 12 10
20 FT WIND GUST.15 14 14 14 18 20 22 23 25 22 21 18
MIX HGT (KFT)...0.5 0.5 0.5 1.0 2.9 5.1 7.3 8.3 8.7 10 8.4 7.1
TRANSP WIND DIR.NW NW NW NW NW W W W W W W NW
TRANSP WIND SPD.20 20 20 20 20 21 22 24 26 28 28 26
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........32 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 10 MPH. GUSTS UP TO 16 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......400 TO 900 FT AGL.
TRANSPORT WINDS.....WEST 15 TO 25 MPH DECREASING TO AROUND 15 MPH
IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........20 25 22 20 22 23 25 22 19 17 15 13
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............72 69 65 62 60 58 57 56 55 54 53 53
RH..............16 21 24 26 27 28 29 30 31 32 32 30
20 FT WIND DIR..NW NW W W W W W W W W W SW
20 FT WIND SPD..9 6 6 6 6 6 6 6 7 7 7 7
20 FT WIND GUST.16 14 13 13 13 13 14 15 15 15 15 16
MIX HGT (KFT)...3.8 0.9 0.8 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.5
TRANSP WIND DIR.NW W W W W W W W W W W SW
TRANSP WIND SPD.24 21 17 15 13 13 13 13 13 13 14 15
SATURDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT).
MAX TEMPERATURE.....AROUND 86.
MIN HUMIDITY........10 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 26
MPH INCREASING TO AROUND 15 MPH WITH GUSTS TO
AROUND 23 MPH LATE IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......9700 TO 10200 FT AGL INCREASING TO 11900 TO
12400 FT AGL LATE IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 15 TO 25 MPH SHIFTING TO THE NORTH AROUND
25 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD INCREASING TO EXCELLENT LATE IN THE
AFTERNOON, THEN DECREASING TO VERY GOOD LATE IN
THE AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........12 14 16 18 17 16 15 17 20 23 28 33
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............54 57 61 65 69 74 78 82 85 86 85 82
RH..............28 28 25 23 19 16 13 11 10 10 11 13
20 FT WIND DIR..SW SW W W W SW SW SW W W W W
20 FT WIND SPD..7 7 7 7 8 9 10 12 12 13 14 15
20 FT WIND GUST.16 16 16 16 18 21 23 24 26 26 25 23
MIX HGT (KFT)...0.5 0.5 0.5 0.5 2.3 4.1 5.9 8.0 10 12 9.1 5.8
TRANSP WIND DIR.SW SW W W W W W W W W W N
TRANSP WIND SPD.15 15 15 15 16 18 20 22 23 24 24 23
FORECASTER...EW
REQUESTED BY...GPC
TYPE OF REQUEST...WILDFIRE
.TAG 2606741.0/UNR
.DELDT 03/20/26
.FORMATTERVERSION 2.0.0
.EMAIL SDGPC@FIRENET.GOV
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