184
FNUS73 KFSD 031103
FWSFSD
SPOT FORECAST FOR ALLECKSON...FWS
NATIONAL WEATHER SERVICE SIOUX FALLS SD
603 AM CDT SUN MAY 3 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
DRY AIR WILL BUILD INTO THE REGION TODAY, WITH MID TO LATE
AFTERNOON RELATIVE HUMIDITY LEVELS FALLING AS LOW AS 25 PERCENT,
PERHAPS A BIT LOWER IF MIXING IS DEEPER THAN PROJECTED. THE
GREATER POTENTIAL FOR GUSTS IN EXCESS OF 20 MPH WILL BE WITH
NORTH-NORTHWEST (340-320 DEGREE) WINDS THIS MORNING. PEAK GUSTS
DECREASE DURING THE AFTERNOON AS WINDS TURN MORE WESTERLY (290-280
DEGREES AFTER 4 PM).
REST OF TODAY
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........25 PERCENT.
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CLR CLR CLR CLR CLR MCR MCR MCR
SKY (%).........4 4 4 3 5 6 7 7
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0
TEMP............56 58 61 63 65 67 68 68
DEWPOINT........39 39 37 36 35 34 33 31
RH..............53 49 41 36 33 29 27 25
20 FT WIND DIR..NNW NNW NNW NNW NW NW WNW WNW
20 FT WIND SPD..16 15 15 15 14 14 14 14
20 FT WIND GUST.24 23 22 21 20 20 20 20
MIX HGT (KFT)...3.0 4.0 5.0 6.0 6.8 7.6 8.0 8.1
TRANSP WIND DIR.N NNW NNW NNW NW WNW WNW W
TRANSP WIND SPD.23 23 21 20 18 18 18 20
SMOKE DISPERSAL.GD EX EX EX EX EX EX EX
TONIGHT
MIN TEMPERATURE.....AROUND 49.
MAX HUMIDITY........61 PERCENT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MCR MCR MCR MCR MCR MCR MCR MCR PC PC PC PC
SKY (%).........7 7 11 14 18 17 11 17 27 27 27 40
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............67 66 63 59 55 53 52 51 51 51 50 51
DEWPOINT........31 31 31 32 32 33 33 34 34 34 34 35
RH..............26 27 30 36 41 46 48 52 52 52 54 54
20 FT WIND DIR..WNW W W WSW SW SW SW SW SW SW SW SW
20 FT WIND SPD..14 14 14 13 12 13 14 15 16 17 18 18
20 FT WIND GUST.20 20 18 18 18 20 22 23 26 29 30 30
MIX HGT (KFT)...7.8 6.7 0.8 0.6 0.5 0.4 0.5 0.5 0.6 0.6 0.6 0.6
TRANSP WIND DIR.W W W W WSW WSW SW SW SW SW SW WSW
TRANSP WIND SPD.21 22 15 14 14 16 18 21 23 24 25 26
SMOKE DISPERSAL.EX EX PR PR PR PR PR PR PR PR FR FR
MONDAY
MAX TEMPERATURE.....AROUND 63.
MIN HUMIDITY........37 PERCENT.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......PC PC PC PC PC PC MC MC MC MC MC MC
SKY (%).........46 48 42 41 40 46 52 58 64 70 76 76
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 10 10 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 0 10 10 10 10 10
TEMP............49 51 52 56 59 61 61 61 61 60 59 58
DEWPOINT........36 38 38 39 40 40 38 37 36 34 33 32
RH..............61 61 59 53 49 46 42 41 39 37 37 37
20 FT WIND DIR..WSW WSW W WNW NW NW NNW NNW NNW NW NW NW
20 FT WIND SPD..18 18 18 18 20 21 22 22 23 22 22 21
20 FT WIND GUST.29 29 28 26 26 28 29 30 30 30 30 29
MIX HGT (KFT)...0.7 0.7 1.4 2.3 3.5 4.2 4.9 5.6 6.0 6.4 6.9 6.7
TRANSP WIND DIR.WSW WSW W NW NNW NNW NW NW NW NW NW NW
TRANSP WIND SPD.25 22 25 23 23 25 28 29 29 28 26 25
SMOKE DISPERSAL.FR PR GD GD EX EX EX EX EX EX EX EX
FORECASTER...JH
REQUESTED BY...MILLETTE
TYPE OF REQUEST...PRESCRIBED
.TAG 2612552.0/FSD
.DELDT 05/03/26
.FORMATTERVERSION 2.0.0
.EMAIL PHIL_MILLETTE@FWS.GOV
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