810  
FNUS73 KFSD 191415  
FWSFSD  
 
SPOT FORECAST FOR NORTH LUTON...IOWA DNR  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
915 AM CDT THU APR 19 2018  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
TODAY WILL BE DRY AND MILDER WITH LIGHT AND VARIABLE WINDS IN THE  
MORNING, TRENDING TO THE EAST/NORTHEAST IN THE AFTERNOON. FRIDAY  
WILL REMAIN DRY WITH TEMPERATURES CONTINUING TO WARM SLIGHTLY.  
WINDS WILL BE OUT OF THE SOUTHEAST AT 10 TO 15 MPH.  
   
REST OF TODAY
 
 
MAX TEMPERATURE.....45-50.  
MIN HUMIDITY........53 PERCENT.  
 
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MCR MCR CLR MCR MCR MCR MCR  
SKY (%).........10 8 5 6 6 6 6  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0  
TEMP............37 40 42 44 46 47 47  
DEWPOINT........30 31 31 31 32 32 31  
RH..............75 70 65 60 58 56 53  
20 FT WIND DIR..NNE NE ENE ENE E E E  
20 FT WIND SPD..6 6 6 6 6 6 6  
20 FT WIND GUST. 7  
MIX HGT (KFT)...1.1 1.6 2.1 2.5 2.9 3.3 2.8  
TRANSP WIND DIR.NE ENE ENE E E E E  
TRANSP WIND SPD.10 9 9 8 8 8 9  
HAINES INDEX....4 4 4 4 4 4 4  
SMOKE DISPERSAL.PR PR FR FR FR FR FR  
   
TONIGHT
 
 
MIN TEMPERATURE.....25-30.  
MAX HUMIDITY........92 PERCENT.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR PCLDY  
SKY (%).........7 7 9 14 21 30  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............47 42 34 31 30 29  
DEWPOINT........31 30 28 27 27 26  
RH..............53 62 78 85 88 88  
20 FT WIND......E 7 E 7 E 7 E 6 E 5 E 6  
20 FT WIND GUST.  
MIX HGT (FT)....2400 300 300 300 300 300  
TRANSPORT WIND..E 10 E 10 E 8 E 6 E 6 E 7  
HAINES INDEX....4 4 4 4 4 3  
SMOKE DISPERSAL.FAIR POOR POOR POOR POOR POOR  
   
FRIDAY
 
 
MAX TEMPERATURE.....52-57.  
MIN HUMIDITY........48 PERCENT.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......PCLDY PCLDY PCLDY PCLDY MCLDY MCLDY  
SKY (%).........32 33 33 49 60 76  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0  
TEMP............28 31 41 49 54 55  
DEWPOINT........26 29 34 35 35 36  
RH..............92 92 76 58 48 49  
20 FT WIND......ESE 6 ESE 7 SE 8 SSE 9 SE 9 ESE 10  
20 FT WIND GUST. 12 13 13  
MIX HGT (FT)....300 500 1000 3000 4200 4700  
TRANSPORT WIND..ESE 6 ESE 9 SE 14 SSE 15 SSE 15 SE 16  
HAINES INDEX....3 3 3 3 3 2  
SMOKE DISPERSAL.POOR POOR POOR GOOD GOOD GOOD  
 

 
FORECASTER...JM  
REQUESTED BY...NATHAN JONES  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1807063.0/FSD  
 
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