940  
FNUS73 KFSD 161523  
FWSFSD  
 
SPOT FORECAST FOR 330TH AVE...DICKINSON COUNTY CONSERVATION BOARD  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
1023 AM CDT MON MAY 16 2022  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
FIRE DANGER REMAINS ELEVATED TODAY AS TEMPERATURES PEAK IN THE  
70S TO LOWER 80S. THOUGH AFTERNOON WINDS MAY GUST 20-25 MPH AND  
MINIMUM HUMIDITY LEVELS WILL DROP BELOW 30 PERCENT, FUELS REMAIN  
GREEN ENOUGH TO LIMIT WILDFIRE DANGER.  
 
RAIN CHANCES AND HUMIDITY LEVELS INCREASE AS SOUTHERLY FLOW  
DEVELOPS MONDAY NIGHT THROUGH TUESDAY NIGHT.  
   
REST OF TODAY
 
 
MAX TEMPERATURE.....77-82.  
MIN HUMIDITY........22 PERCENT.  
 
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......CLR CLR CLR MCR MCR MCR MCR  
SKY (%).........4 4 4 7 11 14 15  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0  
TEMP............70 73 76 77 78 79 80  
DEWPOINT........38 38 38 38 38 38 38  
RH..............31 28 25 24 24 23 22  
20 FT WIND DIR..WNW WNW WNW WNW WNW NW NW  
20 FT WIND SPD..14 14 14 15 14 13 12  
20 FT WIND GUST.18 22 22 25 24 23 22  
MIX HGT (KFT)...7.0 8.5 8.7 8.8 8.8 8.9 8.6  
TRANSP WIND DIR.WNW WNW WNW WNW WNW WNW NW  
TRANSP WIND SPD.21 22 21 20 18 18 15  
HAINES INDEX....5 5 5 5 5 5 5  
SMOKE DISPERSAL.EX EX EX EX EX EX EX  
   
TONIGHT
 
 
MIN TEMPERATURE.....49-54.  
MAX HUMIDITY........64 PERCENT.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY COVER.......MCLEAR PCLDY MCLEAR MCLDY MCLDY MCLDY  
SKY (%).........24 27 25 60 77 81  
WEATHER COV..... CHANCE CHANCE  
WEATHER TYPE....NONE NONE NONE NONE RNSHWR RNSHWR  
TSTM COV........ CHANCE  
CHC OF PCPN (%).0 0 10 10 40 40  
TEMP............78 71 64 60 57 55  
DEWPOINT........40 42 40 40 40 41  
RH..............26 35 41 47 53 59  
20 FT WIND......NNW 12 NNE 7 NE 6 ENE 8 ENE 8 E 9  
20 FT WIND GUST.17 12 14 16 15 14  
MIX HGT (FT)....7800 1200 700 700 600 500  
TRANSPORT WIND..NW 12 NNE 9 NE 16 ENE 15 E 12 E 13  
HAINES INDEX....5 5 5 5 4 4  
SMOKE DISPERSAL.EXCEL POOR POOR POOR POOR POOR  
   
TUESDAY
 
 
MAX TEMPERATURE.....70-75.  
MIN HUMIDITY........54 PERCENT.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY COVER.......MCLDY CLOUDY CLOUDY MCLDY MCLDY MCLDY  
SKY (%).........84 88 89 84 82 83  
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE LIKELY LIKELY  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........CHANCE CHANCE S CHC S CHC S CHC CHANCE  
CHC OF PCPN (%).40 40 40 40 60 60  
TEMP............53 54 60 64 68 69  
DEWPOINT........43 46 48 51 51 53  
RH..............69 74 64 63 54 57  
20 FT WIND......E 9 E 12 ESE 14 ESE 16 SE 16 ESE 15  
20 FT WIND GUST.13 16 18 21 22 23  
MIX HGT (FT)....700 800 1500 2400 2800 2900  
TRANSPORT WIND..E 10 E 13 E 15 E 20 E 22 E 21  
HAINES INDEX....4 4 4 4 3 3  
SMOKE DISPERSAL.POOR POOR FAIR GOOD GOOD GOOD  
 

 
FORECASTER...JM  
REQUESTED BY...CAMERON ARNOLD  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2212138.0/FSD  
.DELDT 05/16/22  
.FORMATTERVERSION 1.0.25  
 
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