611  
CDUS43 KDMX 172231  
CLIDSM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
531 PM CDT THU SEP 17 2026  
   
...............................  
 
   
..THE DES MOINES IA CLIMATE SUMMARY FOR SEPTEMBER 17 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 79 359 PM 95 1925 77 2 81  
MINIMUM 68 716 AM 37 1901 55 13 65  
AVERAGE 74 66 8 73  
 
PRECIPITATION (IN)  
TODAY 0.00 1.52 1919 0.11 -0.11 0.54  
MONTH TO DATE 10.60 1.88 8.72 1.04  
SINCE SEP 1 10.60 1.88 8.72 1.04  
SINCE JAN 1 42.68 28.98 13.70 29.86  
 
SNOWFALL (IN)  
TODAY 0.0 MM 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 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 0  
MONTH TO DATE 5 29 -24 29  
SINCE SEP 1 5 29 -24 29  
SINCE JUL 1 5 34 -29 37  
 
COOLING  
TODAY 9 4 5 8  
MONTH TO DATE 180 87 93 107  
SINCE SEP 1 180 87 93 107  
SINCE JAN 1 1298 1022 276 1135    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 4.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 71 400 PM  
AVERAGE 86  
   
......................................................  
 
THE DES MOINES IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 94 1895  
MINIMUM TEMPERATURE (F) 55 36 1901  
1916  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2026.....SUNRISE 657 AM CDT SUNSET 720 PM CDT  
SEPTEMBER 18 2026.....SUNRISE 658 AM CDT SUNSET 718 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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