118
FNUS73 KFSD 291332
FWSFSD
SPOT FORECAST FOR ILLINOIS LAKE WMA...MN DNR
NATIONAL WEATHER SERVICE SIOUX FALLS SD
832 AM CDT TUE APR 29 2025
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
GUSTY WINDS THIS MORNING ARE EXPECTED TO DIMINISH THROUGH THE
AFTERNOON. WIND DIRECTION WILL PRIMARILY BE NORTH-NORTHWEST, BUT
COULD VARY BASED ON LOCAL TERRAIN EFFECTS. WINDS MAY ALSO BECOME
MORE VARIABLE IN DIRECTION AS THE SPEEDS DROP OFF LATE THIS
AFTERNOON. THE SLOWLY DECREASING WIND SPEEDS AS MIXING HEIGHTS
RISE TO NEAR 5000 FT AGL WILL LEAD TO GOOD SMOKE DISPERSAL.
REST OF TODAY
MAX TEMPERATURE.....AROUND 59.
MIN HUMIDITY........24 PERCENT.
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CLR CLR CLR CLR CLR CLR CLR CLR CLR
SKY (%).........0 0 0 0 0 0 0 0 0
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0
TEMP............38 42 45 49 52 56 57 58 59
DEWPOINT........29 28 28 27 26 25 23 22 22
RH..............70 57 51 42 36 30 26 24 24
20 FT WIND DIR..NNW NNW NNW NNW NNW NNW NNW NNW NNW
20 FT WIND SPD..16 14 14 12 12 9 8 7 6
20 FT WIND GUST.24 21 20 17 15 13 13 10 8
MIX HGT (KFT)...1.7 2.0 2.4 2.9 3.2 4.0 4.5 4.6 5.0
TRANSP WIND DIR.NNW N N N N NNW NW NW WNW
TRANSP WIND SPD.23 20 18 17 15 12 9 8 7
SMOKE DISPERSAL.FR FR GD GD GD GD GD GD GD
TONIGHT
MIN TEMPERATURE.....AROUND 38.
MAX HUMIDITY........80 PERCENT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......CLR CLR CLR CLR CLR CLR CLR CLR CLR MCR MCR MCR
SKY (%).........0 3 4 3 3 2 3 2 4 6 9 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............58 58 55 49 46 44 43 41 41 40 40 40
DEWPOINT........22 24 27 28 28 30 30 30 30 30 31 31
RH..............24 26 34 44 49 58 60 65 65 67 71 71
20 FT WIND DIR..NNW E ESE SE SE SE SE SSE SSE SSE SSE SSE
20 FT WIND SPD..6 5 5 5 6 7 7 7 8 8 8 9
20 FT WIND GUST.8 7 8 8 9 9 10 12 13 14 15 16
MIX HGT (KFT)...4.7 4.4 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.W SW SE SE SE SE SSE SSE S S S S
TRANSP WIND SPD.6 6 6 7 9 12 13 14 15 16 16 17
SMOKE DISPERSAL.FR FR PR PR PR PR PR PR PR PR PR PR
WEDNESDAY
MAX TEMPERATURE.....AROUND 63.
MIN HUMIDITY........49 PERCENT.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......PC PC PC PC PC MC MC MC MC MC MC MC
SKY (%).........27 34 43 46 48 55 59 68 71 69 67 66
WEATHER COV..... CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........
CHC OF PCPN (%).0 10 10 10 10 10 10 30 30 30 30 30
CHC OF THDR (%).0 0 0 0 0 0 0 10 10 10 0 0
TEMP............40 39 43 47 53 57 60 62 63 63 62 62
DEWPOINT........32 33 35 38 40 41 43 44 44 45 46 46
RH..............74 80 74 71 61 55 54 51 49 52 55 56
20 FT WIND DIR..SSE SSE SSE S S S S S S SSE SSE SSE
20 FT WIND SPD..10 10 13 14 15 15 15 16 15 15 14 13
20 FT WIND GUST.17 18 21 22 23 22 22 21 21 21 20 18
MIX HGT (KFT)...0.4 0.5 0.7 1.1 1.5 2.2 2.8 3.4 3.1 2.9 2.7 2.4
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.17 18 20 22 23 24 24 24 23 22 20 18
SMOKE DISPERSAL.PR PR PR FR GD GD GD EX EX GD GD GD
FORECASTER...JH
REQUESTED BY...CHAD AUGUST
TYPE OF REQUEST...PRESCRIBED
.TAG 2512159.0/FSD
.DELDT 04/29/25
.FORMATTERVERSION 2.0.0
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