967  
FNUS73 KFSD 011014  
FWSFSD  
 
SPOT FORECAST FOR TRAILBLAZERS FIRE ACADEMY TRAINING...THE NATURE CONSERVANCY  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
514 AM CDT MON JUN 1 2026  
 
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
RAIN CHANCES ARE SPARSE TODAY, BUT CANNOT RULE OUT AN ISOLATED  
STORM DEVELOPING BY LATE AFTERNOON. IF STORMS ARE ABLE TO DEVELOP,  
ERRATIC STRONGER WIND GUSTS IN EXCESS OF 40 MPH AND HAIL WOULD BE  
POSSIBLE.  
 
OTHERWISE LIGHT WINDS TODAY COULD BE MORE VARIABLE IN DIRECTION  
THAN INDICATED IN THE TABLE BELOW, THOUGH DIRECTION SHOULD FAVOR  
NORTHERLY FROM LATE MORNING ONWARD.  
   
REST OF TODAY  
 
MAX TEMPERATURE.....AROUND 83.  
MIN HUMIDITY........55 PERCENT.  
 
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......PC PC PC PC PC PC PC MC PC  
SKY (%).........29 28 28 27 27 35 43 51 43  
WEATHER COV..... ISO  
WEATHER TYPE.... RW  
TSTM COV........ ISO  
CHC OF PCPN (%).0 0 0 0 0 0 0 10 20  
CHC OF THDR (%).20 20 20 20 40 40 40 40 40  
TEMP............66 71 73 75 77 79 81 82 83  
RH..............97 84 81 79 71 67 63 58 57  
SURFACE WND DIR.S NNW N N NNE NNE NNE NE NE  
SURFACE WND SPD.2 2 3 3 5 5 5 5 5  
SURFACE WND GST.5 5 7 8 9 9 9 10 10  
MIX HGT (KFT)...1.2 1.6 2.0 2.4 3.1 3.4 3.8 4.2 4.3  
TRANSP WIND DIR.S W N N N N N NNE NNE  
TRANSP WIND SPD.6 5 5 5 5 6 6 7 7  
   
TONIGHT  
 
MIN TEMPERATURE.....AROUND 58.  
MAX HUMIDITY........96 PERCENT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY COVER.......PC PC PC PC PC MC PC PC PC PC MC PC  
SKY (%).........34 26 34 41 49 51 35 39 47 48 58 48  
WEATHER COV.....ISO SCT SCT ISO ISO  
WEATHER TYPE....RW RW RW RW RW  
TSTM COV........ISO SCT SCT ISO ISO  
CHC OF PCPN (%).20 30 30 20 20 10 10 0 0 0 10 10  
CHC OF THDR (%).40 40 40 40 40 40 40 20 20 20 20 20  
TEMP............83 81 80 74 71 69 67 66 65 64 63 62  
RH..............55 58 58 71 73 78 84 87 87 90 90 93  
SURFACE WND DIR.NE ENE E SE E E E E ESE ESE SE SE  
SURFACE WND SPD.6 6 5 5 6 6 5 6 6 6 7 7  
SURFACE WND GST.10 12 9 9 10 10 10 10 10 12 13 12  
MIX HGT (KFT)...4.5 2.1 0.5 0.5 0.4 0.4 0.5 0.5 0.5 0.5 0.5 0.5  
TRANSP WIND DIR.NNE NE ENE E E E ESE ESE ESE SE SE SE  
TRANSP WIND SPD.8 8 8 10 13 12 12 12 13 13 13 13  
   
TUESDAY  
 
MAX TEMPERATURE.....AROUND 81.  
MIN HUMIDITY........42 PERCENT.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY COVER.......MC MC MC PC MC MC MC MC PC MCR MCR MCR  
SKY (%).........79 79 56 46 53 61 61 51 29 21 22 19  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 10 10 10 0 0 0 0 0 0 0 0  
CHC OF THDR (%).20 20 20 20 20 20 20 20 20 20 20 20  
TEMP............61 59 63 66 71 73 75 77 79 79 80 81  
RH..............90 96 81 75 64 62 58 52 47 47 45 42  
SURFACE WND DIR.SE SE SE SE SE SE SE SE SE SE SE SE  
SURFACE WND SPD.7 7 9 9 10 12 13 13 14 14 13 13  
SURFACE WND GST.13 14 14 15 16 17 20 21 21 21 21 21  
MIX HGT (KFT)...0.5 0.5 1.2 1.4 1.9 2.9 3.4 3.6 3.8 4.1 4.5 4.1  
TRANSP WIND DIR.SSE SSE SE SE SE SSE SSE SE ESE SE SE SSE  
TRANSP WIND SPD.14 14 16 16 17 17 15 16 17 17 17 18  
 
 
FORECASTER...JH  
REQUESTED BY...THE NATURE CONSERVANCY  
TYPE OF REQUEST...OTHER  
.TAG 2614725.0/FSD  
.DELDT 06/01/26  
.FORMATTERVERSION 2.0.0  
.EMAIL HANNAH.BOYER@TNC.ORG  
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