454  
CDUS43 KDMX 122227  
CLIDSM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
527 PM CDT SAT SEP 12 2026  
   
...............................
 
 
   
..THE DES MOINES IA CLIMATE SUMMARY FOR SEPTEMBER 12 2026
 
 
VALID TODAY AS OF 0520 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 77 359 PM 96 1927 78 -1 87  
MINIMUM 67 918 AM 37 1902 57 10 66  
AVERAGE 72 68 4 77  
 
PRECIPITATION (IN)  
TODAY T 4.42 1961 0.11 -0.11 T  
MONTH TO DATE 7.39 1.36 6.03 0.50  
SINCE SEP 1 7.39 1.36 6.03 0.50  
SINCE JAN 1 39.47 28.46 11.01 29.32  
 
SNOWFALL (IN)  
TODAY MM MM MM 0.0 MM 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 0.0 0.0 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 0 16 -16 29  
SINCE SEP 1 0 16 -16 29  
SINCE JUL 1 0 21 -21 37  
 
COOLING  
TODAY 7 5 2 12  
MONTH TO DATE 170 67 103 38  
SINCE SEP 1 170 67 103 38  
SINCE JAN 1 1288 1002 286 1066    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 8.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 400 AM  
LOWEST 43 300 PM  
AVERAGE 64  
   
......................................................
 
 
THE DES MOINES IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 96 1931  
1939  
2025  
MINIMUM TEMPERATURE (F) 57 33 1890  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2026.....SUNRISE 652 AM CDT SUNSET 729 PM CDT  
SEPTEMBER 13 2026.....SUNRISE 653 AM CDT SUNSET 727 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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