441
WGUS83 KLSX 311457
FLSLSX
FLOOD ADVISORY
NATIONAL WEATHER SERVICE ST LOUIS MO
957 AM CDT FRI JUL 31 2026
ILC163-311800-
/O.NEW.KLSX.FA.Y.0087.260731T1457Z-260731T1800Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAINT CLAIR IL-
957 AM CDT FRI JUL 31 2026
..FLOOD ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
* WHAT...URBAN AREA AND SMALL STREAM FLOODING CAUSED BY EXCESSIVE
RAINFALL IS EXPECTED.
* WHERE...SAINT CLAIR COUNTY IN SOUTHWESTERN ILLINOIS...
* WHEN...UNTIL 100 PM CDT.
* IMPACTS...MINOR FLOODING IN LOW-LYING AND POOR DRAINAGE AREAS.
OVERFLOWING POOR DRAINAGE AREAS.
* ADDITIONAL DETAILS...
- AT 957 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 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, CENTREVILLE, FREEBURG,
CASEYVILLE, WASHINGTON PARK, DUPO, MILLSTADT, MADISON, CAHOKIA
PARKS AIRPORT, SMITHTON AND FAIRMONT CITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
LAT...LON 3866 9001 3827 8970 3822 8970 3822 8990
3827 8992 3829 8992 3828 8990 3831 8991
3831 9004 3832 9004 3841 9014 3843 9015
3852 9026 3860 9019 3866 9018
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