686  
WGUS83 KLSX 110207  
FLSLSX  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE ST LOUIS MO  
907 PM CDT FRI JUL 10 2026  
 
ILC163-MOC510-110500-  
/O.NEW.KLSX.FA.Y.0072.260711T0207Z-260711T0500Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
SAINT CLAIR IL-SAINT LOUIS CITY MO-  
907 PM CDT FRI JUL 10 2026  
   
..FLOOD ADVISORY IN EFFECT UNTIL MIDNIGHT CDT TONIGHT
 
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.  
 
* WHERE...SAINT CLAIR COUNTY IN SOUTHWESTERN ILLINOIS...  
SOUTHEASTERN SAINT LOUIS CITY IN EAST CENTRAL MISSOURI...  
 
* WHEN...UNTIL MIDNIGHT CDT TONIGHT.  
 
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.  
 
* ADDITIONAL DETAILS...  
- AT 907 PM CDT, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO  
THUNDERSTORMS. MINOR FLOODING IS ONGOING OR EXPECTED TO BEGIN  
SHORTLY IN THE ADVISORY AREA. UP TO 2 INCHES OF RAIN HAVE FALLEN.  
- ADDITIONAL RAINFALL AMOUNTS UP TO 1 INCH ARE EXPECTED OVER THE  
AREA. THIS ADDITIONAL RAIN WILL RESULT IN MINOR FLOODING.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
BELLEVILLE, O'FALLON, EAST ST. LOUIS, COLLINSVILLE, FAIRVIEW  
HEIGHTS, CAHOKIA, SWANSEA, SHILOH, MASCOUTAH, CENTREVILLE,  
LEBANON, FREEBURG, CASEYVILLE, WASHINGTON PARK, DUPO, MILLSTADT,  
MADISON AND NEW BADEN.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 

 
 
LAT...LON 3852 9026 3855 9025 3861 9018 3866 9018  
3866 8971 3822 8970 3822 8990 3827 8992  
3829 8992 3828 8990 3831 8991 3831 9004  
3832 9004 3841 9014 3843 9015  
 

 
 
PFAHLER  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MO Page
The Nexlab IL Page Main Text Page