180  
CDUS43 KFSD 162241  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
541 PM CDT TUE SEP 16 2025  
   
...............................  
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR SEPTEMBER 16 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 92 3:41 PM 96 1955 76 16 85  
MINIMUM 58 4:21 AM 28 1893 52 6 70  
1903  
AVERAGE 75 64 11 78  
 
PRECIPITATION (IN)  
TODAY 0.00 2.40 1986 0.08 -0.08 T  
MONTH TO DATE 0.10 1.45 -1.35 0.02  
SINCE SEP 1 0.10 1.45 -1.35 0.02  
SINCE JAN 1 17.92 22.16 -4.24 26.89  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 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 40 8 11  
SINCE SEP 1 48 40 8 11  
SINCE JUL 1 70 57 13 16  
 
COOLING  
TODAY 10 3 7 13  
MONTH TO DATE 79 64 15 89  
SINCE SEP 1 79 64 15 89  
SINCE JAN 1 837 814 23 765    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 AM  
LOWEST 35 4:00 PM  
AVERAGE 64  
   
......................................................  
 
THE SIOUX FALLS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 103 1895  
MINIMUM TEMPERATURE (F) 52 24 1900  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2025.....SUNRISE 7:08 AM CDT SUNSET 7:35 PM CDT  
SEPTEMBER 17 2025.....SUNRISE 7:09 AM CDT SUNSET 7:33 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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