270  
WGUS83 KLSX 311430  
FLSLSX  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE ST LOUIS MO  
930 AM CDT FRI JUL 31 2026  
 
ILC133-311730-  
/O.NEW.KLSX.FA.Y.0085.260731T1430Z-260731T1730Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
MONROE IL-  
930 AM CDT FRI JUL 31 2026  
   
..FLOOD ADVISORY IN EFFECT UNTIL 1230 PM CDT THIS AFTERNOON  
 
* WHAT...URBAN AREA AND SMALL STREAM FLOODING CAUSED BY EXCESSIVE  
RAINFALL IS EXPECTED.  
 
* WHERE...MONROE COUNTY IN SOUTHWESTERN ILLINOIS...  
 
* WHEN...UNTIL 1230 PM CDT.  
 
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.  
 
* ADDITIONAL DETAILS...  
- AT 930 AM CDT, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO  
THUNDERSTORMS. THIS WILL CAUSE URBAN AND SMALL STREAM FLOODING.  
BETWEEN 1.5 AND 2.5 INCHES OF RAIN HAVE FALLEN.  
- ADDITIONAL RAINFALL AMOUNTS OF 0.5 TO 1.5 INCHES ARE EXPECTED  
OVER THE AREA. THIS ADDITIONAL RAIN WILL RESULT IN MINOR  
FLOODING.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
WATERLOO, COLUMBIA, VALMEYER, NEW DESIGN, FOUNTAIN, HECKER,  
WARTBURG, BURKSVILLE, FOSTER POND, NEW HANOVER, MADONNAVILLE,  
MONROE CITY AND HARRISONVILLE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
 
 
LAT...LON 3822 9004 3824 9036 3829 9037 3833 9037  
3838 9035 3844 9029 3852 9026 3843 9015  
3841 9014 3832 9004 3831 9004 3831 8991  
3828 8990 3828 8992 3829 8992 3828 8993  
3823 8990 3822 8990  
 
 
 
19  
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