396
FNUS73 KFSD 060101
FWSFSD
SPOT FORECAST FOR HERRICKWILDFIRE...BURKEPD
NATIONAL WEATHER SERVICE SIOUX FALLS SD
801 PM CDT FRI SEP 5 2025
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WINDS WILL CONTINUE TO WEAKEN THROUGH THE EVENING REMAINING IN A
WEST TO NORTHWEST WIND INTO DAYBREAK. WINDS ALOFT WILL REMAIN
NORTHWESTERLY, PUSHING ANY SMOKE PLUMES SOUTHEAST. WINDS WILL
BEGIN TO INCREASE FROM THE WEST NORTHWEST BY MID-MORNING SATURDAY,
WITH WINDS TO 10 TO 15 MPH.
REST OF TONIGHT
MIN TEMPERATURE.....AROUND 37.
MAX HUMIDITY........92 PERCENT.
TIME (CDT) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MCR MCR MCR MCR CLR CLR CLR CLR CLR CLR
SKY (%).........24 17 10 8 5 3 2 1 1 1
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0
TEMP............58 54 51 48 47 46 43 43 39 39
DEWPOINT........37 37 37 38 37 37 37 36 36 36
RH..............44 52 60 67 68 71 79 76 89 89
20 FT WIND DIR..NNW N N NW WNW WNW W W W W
20 FT WIND SPD..9 5 2 3 3 2 2 3 5 5
20 FT WIND GUST.10 12 9 8 7 7 7 7 8 9
MIX HGT (KFT)...0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.N N N N N WNW W W W W
TRANSP WIND SPD.14 10 9 8 7 6 6 6 6 6
SMOKE DISPERSAL.PR PR PR PR PR PR PR PR PR PR
SATURDAY
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........33 PERCENT.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY COVER.......CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR
SKY (%).........1 1 0 2 4 4
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0
TEMP............38 40 56 62 67 69
DEWPOINT........35 36 39 39 39 39
RH..............90 87 53 43 36 33
20 FT WIND......W 5 W 5 WNW 6 NW 7 NW 7 NW 7
20 FT WIND GUST.9 9 9 13 13 13
MIX HGT (FT)....500 500 1500 4900 6100 6300
TRANSPORT WIND..W 6 WNW 6 WNW 6 NW 9 WNW 10 NW 12
SMOKE DISPERSAL.POOR POOR POOR GOOD GOOD EXCEL
SATURDAY NIGHT
MIN TEMPERATURE.....AROUND 41.
MAX HUMIDITY........89 PERCENT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MCR MCR MCR MCR MCR MCR MCR CLR CLR CLR CLR CLR
SKY (%).........9 11 7 10 11 8 7 5 4 4 3 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............68 66 62 56 53 50 48 47 46 45 44 42
DEWPOINT........39 41 41 41 41 41 41 40 40 39 39 38
RH..............35 40 46 57 64 71 77 76 79 79 82 86
20 FT WIND DIR..N N NNE NE ENE ENE E ESE ESE SE SE SE
20 FT WIND SPD..6 6 5 3 3 3 2 2 2 2 2 2
20 FT WIND GUST.12 10 8 7 7 7 7 7 7 6 6 6
MIX HGT (KFT)...5.5 2.0 0.6 0.5 0.5 0.4 0.5 0.5 0.5 0.5 0.4 0.4
TRANSP WIND DIR.NNW N NNE NE ENE ENE E E ESE ESE ESE SE
TRANSP WIND SPD.9 9 9 10 10 12 12 10 10 9 9 9
SMOKE DISPERSAL.GD FR PR PR PR PR PR PR PR PR PR PR
SUNDAY
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........46 PERCENT.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CLR CLR CLR CLR CLR MCR MCR MCR MCR MCR MCR MCR
SKY (%).........4 4 4 3 3 6 8 11 14 17 20 22
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............41 42 45 50 55 59 64 67 70 72 73 73
DEWPOINT........38 38 39 41 43 44 46 47 49 50 52 53
RH..............89 86 79 71 64 57 52 49 47 46 48 49
20 FT WIND DIR..SSE SSE SSE SE SE SE SSE SSE SSE SSE SSE SSE
20 FT WIND SPD..2 2 3 6 8 10 13 14 15 15 15 15
20 FT WIND GUST.6 7 9 13 15 17 18 20 21 22 23 23
MIX HGT (KFT)...0.4 0.4 0.8 1.1 1.5 2.2 2.9 3.5 3.6 3.7 3.8 3.4
TRANSP WIND DIR.SE SE SSE SSE SSE SSE SSE SSE SSE S S S
TRANSP WIND SPD.9 9 10 13 15 16 16 16 17 18 18 18
SMOKE DISPERSAL.PR PR PR PR FR FR GD GD GD GD EX GD
FORECASTER...DUX
REQUESTED BY...BURKEPD
TYPE OF REQUEST...WILDFIRE
.TAG 2521424.0/FSD
.DELDT 09/05/25
.FORMATTERVERSION 2.0.0
.EMAIL BURKEPD@GWTC.NET
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