279
FNUS73 KUNR 140313
FWSUNR
SPOT FORECAST FOR BUFFALO...SDGPC
NATIONAL WEATHER SERVICE RAPID CITY SD
913 PM MDT WED MAY 13 2026
FORECAST IS BASED ON FORECAST START TIME OF 2100 MDT ON MAY 13.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
POOR HUMIDITY RECOVERIES ARE EXPECTED OVERNIGHT AS
WARM, DRY WEATHER REMAINS OVER THE AREA THROUGH THE END OF THE
WEEK. A RED FLAG WARNING IN EFFECT THROUGH THURSDAY EVENING OR
THE FOOTHILLS SOUTH AND EAST OF THE FIRE WHERE THE SPRING GREENUP
AS BEEN DELAYED.
OVERNIGHT SHOWERS WILL PRODUCE VERY LITTLE PRECIPITATION BUT
COULD PRODUCE STRONG, VARIABLE WINDS WITH GUST UP TO 50 MPH. A
COLD FRONT WILL CROSS THE BURN SITE CLOSE TO SUNRISE THURSDAY
MORNING, SWITCHING WINDS TO NORTHWESTERLY. TEMPERATURES ON
THURSDAY WILL BE IN THE 70S WITH EXTREMELY LOW RELATIVE HUMIDITY
NEAR 10 PERCENT. THIS, WITH GUSTY WINDS, WILL LEAD TO NEAR-
CRITICAL FIRE WEATHER CONDITIONS THROUGH THE AFTERNOON AND
EVENING.
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (30-40 PERCENT). SLIGHT CHANCE OF
SHOWERS OVERNIGHT.
MIN TEMPERATURE.....AROUND 61.
MAX HUMIDITY........42 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO
AROUND 25 MPH SHIFTING TO THE NORTHWEST WITH
GUSTS TO AROUND 20 MPH EARLY IN THE MORNING.
ANY SHOWERS MAY PRODUCE VARIABLE WIND GUSTS
UP TO 50 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......500 TO 1000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 25 TO 30 MPH SHIFTING TO THE WEST
AFTER 3 AM.
SMOKE DISPERSAL.....POOR.
TIME (MDT) 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........69 75 75 74 66 61 60 57 37
WEATHER COV..... SCH SCH SCH
WEATHER TYPE.... RW RW RW
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0
TEMP............72 72 71 70 68 67 65 62 61
RH..............22 24 25 27 29 33 37 41 42
20 FT WIND DIR..S SW SW SW SW W W W NW
20 FT WIND SPD..7 8 9 10 10 10 9 9 9
20 FT WIND GUST.26 26 25 16 26 24 24 23 20
MIX HGT (KFT)...0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.5
TRANSP WIND DIR.S SW SW SW SW W W W NW
TRANSP WIND SPD.24 24 25 25 26 28 28 25 23
THURSDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 75.
MIN HUMIDITY........9 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 15 MPH. GUSTS UP TO 28 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......9200 TO 9700 FT AGL INCREASING TO 10600 TO
11100 FT AGL LATE IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 25 TO 30 MPH INCREASING TO AROUND 35 MPH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....VERY GOOD INCREASING TO EXCELLENT.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........35 35 36 20 8 8 5 6 6 6 7 7
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............62 64 67 68 70 70 70 71 73 74 75 74
RH..............39 34 28 25 20 17 15 14 12 10 10 9
20 FT WIND DIR..NW NW NW W W W W W W W W W
20 FT WIND SPD..8 7 7 6 7 8 9 10 12 12 12 12
20 FT WIND GUST.18 17 17 17 21 22 24 26 26 28 28 28
MIX HGT (KFT)...0.5 1.1 1.7 3.3 4.8 5.9 7.1 8.4 9.7 11 11 11
TRANSP WIND DIR.NW NW W W W W W W W W W W
TRANSP WIND SPD.21 21 23 24 25 25 26 29 30 31 33 33
THURSDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).
MIN TEMPERATURE.....AROUND 44.
MAX HUMIDITY........32 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO
AROUND 28 MPH SHIFTING TO THE WEST WITH GUSTS
TO AROUND 12 MPH AFTER 3 AM.
CWR.................0 PERCENT.
MIXING HEIGHT.......3900 TO 4400 FT AGL DECREASING TO 500 TO 1000
FT AGL IN THE LATE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....WEST 25 TO 35 MPH BECOMING NORTHWEST 10 TO 20
MPH EARLY IN THE EVENING.
SMOKE DISPERSAL.....EXCELLENT DECREASING TO POOR.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........7 10 10 9 8 6 4 4 5 5 5 5
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............71 66 62 58 55 53 52 50 49 48 45 44
RH..............10 12 15 20 22 24 25 27 26 27 31 32
20 FT WIND DIR..W W NW NW NW NW NW NW W W W W
20 FT WIND SPD..10 8 7 5 5 5 5 5 5 3 3 3
20 FT WIND GUST.28 22 16 13 12 12 12 12 10 10 12 12
MIX HGT (KFT)...11 7.3 3.9 0.5 0.5 0.5 0.5 0.6 0.6 0.6 0.6 0.6
TRANSP WIND DIR.W W NW NW NW NW NW NW NW NW NW NW
TRANSP WIND SPD.32 25 16 10 9 12 14 15 17 18 18 18
FORECASTER...13
REQUESTED BY...QUENTIN CORDELL
TYPE OF REQUEST...WILDFIRE
.TAG 2613619.0/UNR
.DELDT 05/13/26
.FORMATTERVERSION 2.0.0
.EMAIL SDGPC@FIRENET.GOV,TAYTE.RANDBY@STATE.SD.US,QUENTIN.CORDELL@STATE.SD.US,ANTHONY.GRAVES@STATE.SD.US
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