366
FNUS73 KUNR 180905
FWSUNR
SPOT FORECAST FOR QURY FIRE...SD-SDS
NATIONAL WEATHER SERVICE RAPID CITY SD
305 AM MDT WED MAR 18 2026
FORECAST IS BASED ON FORECAST START TIME OF 0500 MDT ON MARCH 18.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM MDT
THIS EVENING...
DISCUSSION
UNSEASONABLY WARM TEMPERATURES WILL COMBINE WITH
MINIMUM RELATIVELY HUMIDITIES AROUND 20 PERCENT AND NORTHWEST
WINDS GUSTING TO 35 MPH TO SUPPORT CRITICAL FIRE WEATHER
CONDITIONS TODAY. A RED FLAG WARNING IS IN EFFECT FROM 1000 AM TO
700 PM. VERY WARM TEMPERATURES AND DRY, GENERALLY BREEZY
CONDITIONS ARE EXPECTED THROUGH SATURDAY, WITH NEAR CRITICAL FIRE
WEATHER CONDITIONS EACH DAY.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........20 PERCENT.
WIND (20 FT)........WEST TO NORTHWEST WINDS 10 TO 20 MPH. GUSTS
UP TO 25 MPH INCREASING TO 35 MPH IN THE
AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......8100 TO 8600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 25 TO 30 MPH INCREASING TO AROUND 45
MPH.
SMOKE DISPERSAL.....GOOD INCREASING TO EXCELLENT.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........39 35 36 33 27 25 18 19 18 26 21 18
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............44 45 48 50 55 58 60 64 66 67 67 65
RH..............53 52 51 49 42 38 34 29 24 21 20 21
20 FT WIND DIR..W W W W W W W W W W W NW
20 FT WIND SPD..7 7 8 8 10 13 15 16 16 16 15 14
20 FT WIND GUST.16 17 18 18 21 24 28 29 31 32 32 30
MIX HGT (KFT)...0.5 0.5 0.5 2.1 3.2 4.5 5.5 6.5 7.6 8.6 7.8 6.6
TRANSP WIND DIR.NW NW NW W W W W W W W NW NW
TRANSP WIND SPD.22 23 26 30 33 36 39 43 45 45 45 44
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
MIN TEMPERATURE.....AROUND 42.
MAX HUMIDITY........50 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH
DECREASING TO 18 MPH IN THE LATE EVENING AND
OVERNIGHT.
CWR.................0 PERCENT.
MIXING HEIGHT.......400 TO 900 FT AGL.
TRANSPORT WINDS.....NORTHWEST 35 TO 40 MPH BECOMING WEST AROUND 15
MPH.
SMOKE DISPERSAL.....EXCELLENT DECREASING TO POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........19 29 29 28 29 30 30 27 24 21 21 20
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............61 58 55 52 51 50 49 47 46 44 43 43
RH..............23 26 27 32 34 37 41 42 44 47 49 49
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..13 10 8 6 6 6 6 6 5 5 5 5
20 FT WIND GUST.29 25 22 20 18 17 16 15 15 15 14 14
MIX HGT (KFT)...5.1 1.3 0.8 0.6 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW W
TRANSP WIND SPD.39 31 22 16 17 21 24 23 20 17 15 14
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........17 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH
INCREASING TO 25 MPH IN THE AFTERNOON.
CWR.................0 PERCENT.
MIXING HEIGHT.......7700 TO 8200 FT AGL.
TRANSPORT WINDS.....WEST 15 TO 25 MPH INCREASING TO NORTHWEST
AROUND 40 MPH.
SMOKE DISPERSAL.....VERY 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 (%).........19 21 22 24 24 25 26 31 36 41 41 41
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............44 46 49 53 58 62 65 68 69 70 69 67
RH..............50 46 42 36 31 26 23 20 18 17 17 19
20 FT WIND DIR..NW NW W W W W W W W W W W
20 FT WIND SPD..5 5 5 5 6 8 9 10 10 10 9 9
20 FT WIND GUST.14 14 14 16 18 21 23 25 26 26 23 18
MIX HGT (KFT)...0.5 0.5 0.5 0.6 1.9 3.2 4.4 5.7 6.9 8.2 5.9 3.6
TRANSP WIND DIR.W W W W W W W W W W W NW
TRANSP WIND SPD.14 15 17 21 23 25 28 30 32 33 37 38
FORECASTER...13
REQUESTED BY...RYAN FLYNN
TYPE OF REQUEST...WILDFIRE
.TAG 2605986.2/UNR
.DELDT 03/18/26
.FORMATTERVERSION 2.0.0
.EMAIL TODD.HOVER@USDA.GOV,JAMES.BACHELOR@STATE.SD.US,SDGPC@FIRENET.GOV
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