030
FNUS73 KFSD 011305
FWSFSD
SPOT FORECAST FOR YAGER SLOUGH...USFWS - WFS
NATIONAL WEATHER SERVICE SIOUX FALLS SD
805 AM CDT FRI MAY 1 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HEADING INTO THE IOWA GREAT LAKES, ANOTHER MILD DAY IS AHEAD AS
HIGHS PEAK IN THE LOW TO MID 50S FOR THE DAY. SIMILAR TO
YESTERDAY, INCREASING MIXING WILL GRADUALLY IMPROVE SMOKE
DISPERSAL AS PREDOMINANTLY NORTHERLY WINDS CONTINUE. WIND GUSTS
BETWEEN 15-25 MPH ARE EXPECTED INTO THE EARLY AFTERNOON.
OTHERWISE, DRIER CONDITIONS ARE EXPECTED WITH RHS IN THE 35-40
PERCENT RANGE AS LOW FIRE DANGER PERSISTS.
TODAY
MAX TEMPERATURE.....AROUND 52.
MIN HUMIDITY........36 PERCENT.
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......PC MCR PC PC PC PC MC MC
SKY (%).........30 22 34 43 42 47 51 56
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............44 47 48 49 50 51 51 51
DEWPOINT........32 30 29 28 27 27 27 26
RH..............61 52 47 43 41 38 38 37
20 FT WIND DIR..N N N N N N N N
20 FT WIND SPD..13 14 14 14 14 14 13 13
20 FT WIND GUST.18 18 20 18 20 20 18 18
MIX HGT (KFT)...3.0 5.0 5.9 6.4 6.7 7.1 7.2 7.1
TRANSP WIND DIR.N N N N N N N N
TRANSP WIND SPD.17 18 16 15 15 14 14 15
SMOKE DISPERSAL.GD EX EX EX EX EX EX EX
TONIGHT
MIN TEMPERATURE.....AROUND 32.
MAX HUMIDITY........78 PERCENT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......PC PC PC MCR MCR MCR MCR CLR CLR CLR CLR MCR
SKY (%).........49 45 34 20 14 11 7 5 5 4 4 6
WEATHER COV..... ARS WID WID WID
WEATHER TYPE.... FST FST FST FST
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............52 50 47 43 40 38 37 36 35 34 34 33
DEWPOINT........26 26 26 26 26 26 26 26 26 25 26 25
RH..............36 38 43 51 57 62 64 66 68 69 71 72
20 FT WIND DIR..N N N N NNE NNE N W WSW WSW WSW WSW
20 FT WIND SPD..13 12 9 7 6 5 3 2 2 3 3 5
20 FT WIND GUST.16 16 13 10 8 7 5 3 5 5 6 6
MIX HGT (KFT)...6.8 3.4 0.5 0.6 0.5 0.4 0.4 0.4 0.3 0.3 0.3 0.3
TRANSP WIND DIR.N N N NNE NNE NNE NNE NNW W WSW WSW WSW
TRANSP WIND SPD.15 14 12 9 8 7 5 3 5 5 6 7
SMOKE DISPERSAL.EX GD PR PR PR PR PR PR PR PR PR PR
SATURDAY
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........28 PERCENT.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR MCR MCR MCR MCR MCR CLR MCR MCR MCR PC
SKY (%).........11 11 18 19 15 8 6 4 7 9 19 31
WEATHER COV.....WID WID ARS
WEATHER TYPE....FST FST FST
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............33 32 37 43 49 53 57 59 62 64 65 65
DEWPOINT........25 26 28 29 30 31 31 31 31 32 32 32
RH..............72 78 69 57 48 42 36 34 31 30 29 29
20 FT WIND DIR..WSW WSW WSW WSW WSW WSW WSW WSW W W WSW WSW
20 FT WIND SPD..5 6 6 8 10 10 12 13 13 13 14 14
20 FT WIND GUST.7 8 9 12 14 15 17 17 18 20 20 20
MIX HGT (KFT)...0.3 0.3 0.7 1.4 2.7 4.1 5.4 6.3 6.7 7.0 7.3 6.1
TRANSP WIND DIR.WSW SW WSW W W W W W W W W W
TRANSP WIND SPD.8 8 9 13 14 15 15 15 16 17 17 17
SMOKE DISPERSAL.PR PR PR FR GD GD EX EX EX EX EX EX
FORECASTER...IG
REQUESTED BY...RYAN HARR
TYPE OF REQUEST...PRESCRIBED
.TAG 2612394.0/FSD
.DELDT 05/01/26
.FORMATTERVERSION 2.0.0
.EMAIL RYAN_HARR@FWS.GOV
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