207  
CDUS43 KDMX 290633  
CLIMIW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE DES MOINES IA  
133 AM CDT FRI AUG 29 2025  
   
...............................
 
 
   
..THE MARSHALLTOWN IA CLIMATE SUMMARY FOR AUGUST 28 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 9999 TO 9999  
 
WEATHER ITEM OBSERVED TIME NORMAL DEPARTURE LAST  
VALUE (LST) VALUE FROM YEAR  
NORMAL    
...................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 81 446 PM 80 1 87  
MINIMUM 55 542 AM 57 -2 68  
AVERAGE 68 68 0 78  
 
PRECIPITATION (IN)  
YESTERDAY T 0.13 -0.13  
MONTH TO DATE 2.99 3.51 -0.52  
SINCE JAN 1 28.47 23.99 4.48  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 18 10 8 7  
SINCE JUN 1 26 43 -17 10  
SINCE JUL 1 18 17 1 9  
 
COOLING  
YESTERDAY 3 4 -1 13  
MONTH TO DATE 179 167 12 202  
SINCE JUN 1 706 580 126 686  
SINCE JAN 1 731 634 97 725    
...................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 3.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1100 PM  
LOWEST 54 100 PM  
AVERAGE 76  
   
......................................................
 
 
THE MARSHALLTOWN IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 MM MM  
MINIMUM TEMPERATURE (F) 57 MM MM  
 
SUNRISE AND SUNSET  
AUGUST 29 2025........SUNRISE 634 AM CDT SUNSET 750 PM CDT  
AUGUST 30 2025........SUNRISE 635 AM CDT SUNSET 748 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 IA Page Main Text Page