041  
CDUS43 KLOT 242133  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
433 PM CDT SUN AUG 24 2025  
   
...............................  
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR AUGUST 24 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1928 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 75 2:57 PM 100 1947 82 -7 91  
2023  
MINIMUM 60 5:52 AM 48 1942 66 -6 64  
AVERAGE 68 74 -6 78  
 
PRECIPITATION (IN)  
TODAY 0.00 1.20 2006 0.13 -0.13 0.00  
MONTH TO DATE 2.81 3.10 -0.29 2.86  
SINCE JUN 1 14.84 10.66 4.18 12.61  
SINCE JAN 1 24.41 23.14 1.27 28.59  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 9 25 -16 3  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
TODAY 3 9 -6 13  
MONTH TO DATE 306 241 65 222  
SINCE JUN 1 1074 816 258 896  
SINCE JAN 1 1125 898 227 1009    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 5:00 AM  
LOWEST 41 2:00 PM  
AVERAGE 58  
   
......................................................  
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 95 1953  
1959  
1991  
MINIMUM TEMPERATURE (F) 65 47 1934  
 
SUNRISE AND SUNSET  
AUGUST 24 2025........SUNRISE 6:09 AM CDT SUNSET 7:37 PM CDT  
AUGUST 25 2025........SUNRISE 6:10 AM CDT SUNSET 7:35 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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