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WGUS53 KLSX 182212
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MOC183-189-510-190115-
/O.NEW.KLSX.FF.W.0021.260518T2212Z-260519T0115Z/
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BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
512 PM CDT MON MAY 18 2026
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SAINT CHARLES COUNTY IN EAST CENTRAL MISSOURI...
SAINT LOUIS COUNTY IN EAST CENTRAL MISSOURI...
SAINT LOUIS CITY IN EAST CENTRAL MISSOURI...
* UNTIL 815 PM CDT.
* AT 512 PM CDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. BETWEEN 1 AND 2 INCHES OF RAIN
HAVE FALLEN. ADDITIONAL RAINFALL AMOUNTS OF 0.5 TO 2 INCHES ARE
POSSIBLE IN THE WARNED AREA. FLASH FLOODING IS ONGOING OR EXPECTED
TO BEGIN SHORTLY.
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS.
SOURCE...RADAR INDICATED.
IMPACT...FLASH FLOODING OF SMALL CREEKS AND STREAMS, URBAN AREAS,
HIGHWAYS, STREETS AND UNDERPASSES AS WELL AS OTHER POOR
DRAINAGE AND LOW-LYING AREAS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
ST. LOUIS, O'FALLON, ST. CHARLES, ST. PETERS, FLORISSANT,
CHESTERFIELD, WILDWOOD, UNIVERSITY CITY, BALLWIN, WENTZVILLE,
KIRKWOOD, MARYLAND HEIGHTS, HAZELWOOD, WEBSTER GROVES, FERGUSON,
MANCHESTER, CREVE COEUR AND OVERLAND.
THIS INCLUDES THE FOLLOWING STATE PARKS...
BABLER MEMORIAL STATE PARK, SCOTT JOPLIN HISTORIC SITE, ROUTE 66
STATE PARK, CASTLEWOOD STATE PARK, CONFLUENCE STATE PARK AND FIRST
MISSOURI STATE CAPITOL HISTORIC SITE.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 70 IN MISSOURI BETWEEN EXITS 203 AND 231. INTERSTATE 44 IN
MISSOURI BETWEEN EXITS 261 AND 277.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
LAT...LON 3864 9073 3854 9090 3855 9096 3889 9096
3888 9082 3892 9079 3893 9067 3887 9056
3897 9044 3884 9011 3872 9021 3861 9018
3839 9034 3845 9034 3848 9042 3850 9041
3845 9068 3847 9074
FLASH FLOOD...RADAR INDICATED
WALSH
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