574  
CDUS43 KFSD 172224  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
524 PM CDT WED SEP 17 2025  
   
...............................  
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR SEPTEMBER 17 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 73 2:22 PM 103 1895 76 -3 86  
MINIMUM 63 5:53 AM 24 1900 52 11 70  
AVERAGE 68 64 4 78  
 
PRECIPITATION (IN)  
TODAY T 1.60 1907 0.09 -0.09 0.01  
MONTH TO DATE 0.11 1.54 -1.43 0.03  
SINCE SEP 1 0.11 1.54 -1.43 0.03  
SINCE JAN 1 17.93 22.25 -4.32 26.90  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE T 0.0 0.0 0.0  
SINCE SEP 1 T 0.0 0.0 0.0  
SINCE JUL 1 T 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 0  
MONTH TO DATE 48 44 4 11  
SINCE SEP 1 48 44 4 11  
SINCE JUL 1 70 61 9 16  
 
COOLING  
TODAY 3 3 0 13  
MONTH TO DATE 82 67 15 102  
SINCE SEP 1 82 67 15 102  
SINCE JAN 1 840 817 23 778    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 7:00 AM  
LOWEST 68 2:00 PM  
AVERAGE 79  
   
......................................................  
 
THE SIOUX FALLS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 94 1947  
MINIMUM TEMPERATURE (F) 51 27 1902  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2025.....SUNRISE 7:09 AM CDT SUNSET 7:33 PM CDT  
SEPTEMBER 18 2025.....SUNRISE 7:10 AM CDT SUNSET 7:31 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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