773  
CDUS43 KLOT 210650  
CLIMDW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
150 AM CDT FRI MAR 21 2025  
   
...............................
 
 
   
..THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR MARCH 20 2025
 
 
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)  
YESTERDAY  
MAXIMUM 45 4:34 PM 85 2012 49 -4 45  
MINIMUM 32 8:00 AM 8 1965 33 -1 31  
AVERAGE 39 41 -2 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.16 0.78 1967 0.06 0.10 0.00  
MONTH TO DATE 2.53 1.18 1.35 2.56  
SINCE MAR 1 2.53 1.18 1.35 2.56  
SINCE JAN 1 3.89 4.12 -0.23 5.54  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 24 2 27  
MONTH TO DATE 412 548 -136 362  
SINCE MAR 1 412 548 -136 362  
SINCE JUL 1 4350 4871 -521 3911  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
SLEET  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 2:00 AM  
LOWEST 35 5:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 86 2012  
MINIMUM TEMPERATURE (F) 33 12 1940  
1951  
 
SUNRISE AND SUNSET  
MARCH 21 2025.........SUNRISE 6:52 AM CDT SUNSET 7:05 PM CDT  
MARCH 22 2025.........SUNRISE 6:50 AM CDT SUNSET 7:06 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 IL Page
The Nexlab IN Page Main Text Page