774  
CDUS43 KLSX 182230  
CLISTL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
530 PM CDT WED JUN 18 2025  
   
...............................
 
 
   
..THE ST. LOUIS CLIMATE SUMMARY FOR JUNE 18 2025
 
 
VALID AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 86 204 PM 101 2021 87 -1 88  
MINIMUM 73 105 AM 52 1876 68 5 77  
1945  
1961  
AVERAGE 80 77 3 83  
 
PRECIPITATION (IN)  
TODAY 0.00 3.50 1875 0.15 -0.15 0.00  
MONTH TO DATE 2.74 2.72 0.02 0.65  
SINCE JUN 1 2.74 2.72 0.02 0.65  
SINCE JAN 1 24.39 20.59 3.80 21.44  
 
SNOWFALL (IN)  
TODAY 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 18.6 16.6 2.0 9.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 1 -1 0  
SINCE JUN 1 0 1 -1 0  
SINCE JUL 1 3832 4430 -598 3351  
 
COOLING  
TODAY 15 12 3 18  
MONTH TO DATE 181 186 -5 244  
SINCE JUN 1 181 186 -5 244  
SINCE JAN 1 352 381 -29 557    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 12.3  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 400 AM  
LOWEST 51 200 PM  
AVERAGE 69  
   
......................................................
 
 
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 105 1936  
MINIMUM TEMPERATURE (F) 68 52 1935  
 
SUNRISE AND SUNSET  
JUNE 18 2025..........SUNRISE 536 AM CDT SUNSET 829 PM CDT  
JUNE 19 2025..........SUNRISE 537 AM CDT SUNSET 829 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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