677  
CDUS43 KFSD 190635  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
135 AM CDT TUE AUG 19 2025  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR AUGUST 18 2025
 
 
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)  
YESTERDAY  
MAXIMUM 86 4:26 PM 101 1983 83 3 83  
MINIMUM 68 6:40 AM 44 2002 61 7 58  
AVERAGE 77 72 5 71  
 
PRECIPITATION (IN)  
YESTERDAY 1.37R 1.24 1947 0.11 1.26 0.00  
MONTH TO DATE 2.52 2.04 0.48 0.75  
SINCE JUN 1 11.40 9.52 1.88 13.12  
SINCE JAN 1 17.53 19.41 -1.88 25.43  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 T 0.0 0.0 T  
SINCE JUL 1 T 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 5  
SINCE JUN 1 26 37 -11 17  
SINCE JUL 1 4 5 -1 5  
 
COOLING  
YESTERDAY 12 7 5 6  
MONTH TO DATE 150 149 1 109  
SINCE JUN 1 648 621 27 539  
SINCE JAN 1 693 672 21 569    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 12:00 AM  
LOWEST 59 4:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE SIOUX FALLS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 98 1955  
MINIMUM TEMPERATURE (F) 61 39 2004  
 
SUNRISE AND SUNSET  
AUGUST 19 2025........SUNRISE 6:37 AM CDT SUNSET 8:24 PM CDT  
AUGUST 20 2025........SUNRISE 6:38 AM CDT SUNSET 8:22 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SD Page
The Nexlab IA Page
The Nexlab MN Page
The Nexlab NE Page Main Text Page