385  
CDUS43 KDMX 180632  
CLIDSM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
132 AM CDT TUE AUG 18 2026  
   
...............................
 
 
   
..THE DES MOINES IA CLIMATE SUMMARY FOR AUGUST 17 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1878 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82 524 PM 104 1988 84 -2 94  
MINIMUM 63 635 AM 47 1897 64 -1 75  
AVERAGE 73 74 -1 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.02 1902 0.14 -0.14 0.00  
MONTH TO DATE 5.48 2.29 3.19 1.66  
SINCE JUN 1 18.46 11.37 7.09 16.69  
SINCE JAN 1 31.73 25.22 6.51 28.52  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM 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  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 3 16 -13 4  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
YESTERDAY 8 9 -1 20  
MONTH TO DATE 181 171 10 187  
SINCE JUN 1 833 743 90 873  
SINCE JAN 1 973 826 147 927    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 200 AM  
LOWEST 49 200 PM  
AVERAGE 73  
   
......................................................
 
 
THE DES MOINES IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 108 1936  
MINIMUM TEMPERATURE (F) 64 47 1897  
 
SUNRISE AND SUNSET  
AUGUST 18 2026........SUNRISE 627 AM CDT SUNSET 809 PM CDT  
AUGUST 19 2026........SUNRISE 628 AM CDT SUNSET 808 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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