723  
FNUS73 KFSD 071634  
FWSFSD  
 
SPOT FORECAST FOR LITTLE SIOUX - SATERN...IOWA DNR  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
ISSUED BY NATIONAL WEATHER SERVICE ABERDEEN SD  
1134 AM CDT MON APR 7 2025  
 
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
SKIES WILL REMAIN MOSTLY CLEAR TODAY, WITH TEMPERATURES  
STRUGGLING TO CLIMB THROUGH THE 40S. A NORTH TO NORTHEAST WIND WILL  
PERSIST THROUGH LATE AFTERNOON BEFORE A SHIFT TO THE EAST THIS EVENING  
BEFORE BECOMING SOUTHEAST LATE TONIGHT. OCCASIONAL GUSTS TO 20  
MPH WILL BE POSSIBLE.  
 
WINDS INCREASE ON TUESDAY, WITH TEMPERATURES RISING BACK INTO THE  
50S. WITH AFTERNOON GUSTS APPROACHING 25 TO 30 MPH, AND RELATIVE  
HUMIDITY VALUES FALLING NEAR 30 PERCENT, FIRE DANGER WILL INCREASE  
THROUGH THE JAMES RIVER VALLEY.  
 
WINDS REMAIN LIGHT THROUGH THE MID-WEEK, WITH LOW RISKS FOR LIGHT  
RAIN AT TIMES WEDNESDAY AND THURSDAY. TEMPERATURES HOWEVER CLIMB  
INTO THE 50S AND 60S.  
   
TODAY  
 
MAX TEMPERATURE.....AROUND 42.  
MIN HUMIDITY........31 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 CLR CLR CLR CLR  
SKY (%).........7 9 10 10 10 8 8 5 3 2 0 2  
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............27 27 28 31 32 34 35 37 38 39 41 41  
DEWPOINT........20 19 20 16 15 11 12 12 13 13 13 12  
RH..............74 71 71 53 50 38 37 36 36 34 31 33  
20 FT WIND DIR..N N N N N N N N N N N N  
20 FT WIND SPD..10 10 9 13 14 12 13 13 14 15 14 13  
20 FT WIND GUST.13 13 10 17 18 15 16 17 21 21 18 18  
MIX HGT (KFT)...M 2.3 2.8 3.5 3.6 4.3 4.5 4.7 4.8 4.9 5.1 5.1  
TRANSP WIND DIR.M NNE N N N N N N N N N N  
TRANSP WIND SPD.M 22 23 23 22 21 20 20 17 16 16 15  
SMOKE DISPERSAL.M GD GD EX EX EX EX EX EX EX EX EX  
   
TONIGHT  
 
MIN TEMPERATURE.....AROUND 23.  
MAX HUMIDITY........68 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 CLR CLR CLR  
SKY (%).........2 1 1 2 3 2 3 3 3 2 2 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............40 39 36 33 30 28 27 26 26 26 26 24  
DEWPOINT........12 12 13 13 14 15 16 16 15 15 15 15  
RH..............31 32 38 43 51 58 63 65 63 63 63 68  
20 FT WIND DIR..N N NNE NNE NE NE ENE E E ESE ESE SE  
20 FT WIND SPD..12 10 8 6 6 5 5 5 5 3 5 5  
20 FT WIND GUST.16 14 13 12 12 9 8 7 7 8 8 8  
MIX HGT (KFT)...4.9 4.8 0.8 0.8 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5  
TRANSP WIND DIR.N N NNE NNE NE ENE ENE E E ESE ESE SE  
TRANSP WIND SPD.14 14 10 10 9 9 9 9 7 8 8 8  
SMOKE DISPERSAL.GD GD PR PR PR PR PR PR PR PR PR PR  
   
TUESDAY  
 
MAX TEMPERATURE.....AROUND 54.  
MIN HUMIDITY........30 PERCENT.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......CLR MCR MCR MCR MCR CLR MCR MCR MCR PC PC PC  
SKY (%).........3 6 10 8 6 5 8 13 20 29 39 47  
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............24 24 27 31 35 39 42 45 49 52 54 53  
DEWPOINT........14 14 14 15 16 17 19 20 21 22 23 24  
RH..............65 65 57 51 45 40 39 36 33 31 30 32  
20 FT WIND DIR..SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE SSE  
20 FT WIND SPD..6 6 7 9 10 12 13 14 14 15 15 15  
20 FT WIND GUST.8 10 12 14 16 17 17 17 20 20 21 21  
MIX HGT (KFT)...0.5 0.5 1.0 1.6 2.2 2.4 2.8 3.1 3.2 3.2 3.3 3.0  
TRANSP WIND DIR.SSE S S S S S S S S S S S  
TRANSP WIND SPD.9 10 14 14 14 14 15 16 17 18 18 18  
SMOKE DISPERSAL.PR PR PR FR FR FR GD GD GD GD GD GD  
 
 
FORECASTER...VIPOND  
REQUESTED BY...COLBIN LARUE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2509072.0/FSD  
.DELDT 04/07/25  
.FORMATTERVERSION 2.0.0  
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