358  
CDUS43 KFSD 202228  
CLISUX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
528 PM CDT WED AUG 20 2025  
   
...............................
 
 
   
..THE SIOUX CITY IA CLIMATE SUMMARY FOR AUGUST 20 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1889 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 89 3:09 PM 101 1947 82 7 69  
MINIMUM 68 5:16 AM 37 1950 60 8 60  
AVERAGE 79 71 8 65  
 
PRECIPITATION (IN)  
TODAY 0.00 2.12 2014 0.13 -0.13 0.17  
MONTH TO DATE 2.59 2.50 0.09 1.98  
SINCE JUN 1 13.85 10.20 3.65 12.72  
SINCE JAN 1 20.99 20.53 0.46 27.74  
 
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 JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 5  
SINCE JUN 1 18 30 -12 6  
SINCE JUL 1 0 4 -4 5  
 
COOLING  
TODAY 14 7 7 0  
MONTH TO DATE 194 158 36 118  
SINCE JUN 1 785 642 143 610  
SINCE JAN 1 830 707 123 632    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 55 2:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE SIOUX CITY IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 99 1947  
1955  
MINIMUM TEMPERATURE (F) 60 47 1939  
2004  
 
SUNRISE AND SUNSET  
AUGUST 20 2025........SUNRISE 6:38 AM CDT SUNSET 8:19 PM CDT  
AUGUST 21 2025........SUNRISE 6:39 AM CDT SUNSET 8:17 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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