898
WGUS53 KLSX 181954
FFWLSX
ILC005-027-051-119-121-163-189-190200-
/O.NEW.KLSX.FF.W.0017.260518T1954Z-260519T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
254 PM CDT MON MAY 18 2026
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN BOND COUNTY IN SOUTH CENTRAL ILLINOIS...
CLINTON COUNTY IN SOUTH CENTRAL ILLINOIS...
SOUTHWESTERN FAYETTE COUNTY IN SOUTH CENTRAL ILLINOIS...
WESTERN MARION COUNTY IN SOUTH CENTRAL ILLINOIS...
NORTHERN WASHINGTON COUNTY IN SOUTH CENTRAL ILLINOIS...
SOUTHEASTERN MADISON COUNTY IN SOUTHWESTERN ILLINOIS...
NORTHEASTERN SAINT CLAIR COUNTY IN SOUTHWESTERN ILLINOIS...
* UNTIL 900 PM CDT MONDAY.
* AT 254 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 1 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...
BREESE, NEW BADEN, CARLYLE, TRENTON, AVISTON, OKAWVILLE, ST. ROSE,
GERMANTOWN, ALBERS, WAMAC, BECKEMEYER, POCAHONTAS, TAMALCO, BEAVER
CREEK, JAMESTOWN, BOULDER, SHATTUC, NEW MEMPHIS AND PLEASANT MOUND.
THIS INCLUDES THE FOLLOWING STATE PARKS...
CARLYLE LAKE STATE FISH AND WILDLIFE AREA AND ELDON HAZLET STATE
RECREATION AREA.
THIS INCLUDES INTERSTATE 64 IN ILLINOIS NEAR EXIT 34.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
LAT...LON 3866 8971 3866 8960 3882 8960 3892 8914
3848 8914 3843 8968 3843 8970 3849 8970
FLASH FLOOD...RADAR INDICATED
WALSH
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