123  
CDUS43 KLSX 110735  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
235 AM CDT MON AUG 11 2025  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 10 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1874 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 1156 AM 105 1934 89 1 82  
MINIMUM 72 1114 PM 54 1972 70 2 59  
AVERAGE 81 80 1 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 2.58 1878 0.11 -0.08 0.00  
MONTH TO DATE 0.03 1.18 -1.15 0.27  
SINCE JUN 1 8.99 9.60 -0.61 9.78  
SINCE JAN 1 30.64 27.47 3.17 30.57  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2015 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 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  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 4 -4 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 16 15 1 6  
MONTH TO DATE 132 150 -18 147  
SINCE JUN 1 1085 977 108 1078  
SINCE JAN 1 1256 1172 84 1391    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 10.8  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 800 PM  
LOWEST 50 1200 PM  
AVERAGE 71  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 104 1881  
MINIMUM TEMPERATURE (F) 70 56 1930  
1967  
 
SUNRISE AND SUNSET  
AUGUST 11 2025........SUNRISE 612 AM CDT SUNSET 801 PM CDT  
AUGUST 12 2025........SUNRISE 613 AM CDT SUNSET 759 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 MO Page
The Nexlab IL Page Main Text Page