Expires:202505201100;Remove:202505201100;826835 WGUS83 KLSX 200503 FLSLSX Flood Advisory National Weather Service St Louis MO 1203 AM CDT Tue May 20 2025 ILC005-013-061-083-117-119-133-135-163-MOC055-071-093-099-113-183- 186-187-189-219-221-510-201100- /O.NEW.KLSX.FA.Y.0018.250520T0503Z-250520T1100Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Bond IL-Calhoun IL-Greene IL-Jersey IL-Macoupin IL-Madison IL- Monroe IL-Montgomery IL-Saint Clair IL-Crawford MO-Franklin MO- Iron MO-Jefferson MO-Lincoln MO-Saint Charles MO-Sainte Genevieve MO-Saint Francois MO-Saint Louis MO-Warren MO-Washington MO-Saint Louis City MO- 1203 AM CDT Tue May 20 2025 ...FLOOD ADVISORY IN EFFECT UNTIL 6 AM CDT EARLY THIS MORNING... * WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Portions of Illinois, including the following counties, northwestern Bond, eastern Calhoun, central Greene, Jersey, Macoupin, Madison, Monroe, southwestern Montgomery and northwestern Saint Clair and Missouri, including the following counties and independent city, Crawford, southeastern Franklin, northwestern Iron, Jefferson, southeastern Lincoln, Saint Charles, Saint Francois, Saint Louis, Saint Louis City, northwestern Sainte Genevieve, southeastern Warren and Washington. * WHEN...Until 600 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Overflowing poor drainage areas. * ADDITIONAL DETAILS... - At 1203 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Overflowing poor drainage areas will cause minor flooding in the advisory area. Between 1 and 3 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... St. Louis, O'Fallon, St. Charles, St. Peters, Florissant, Chesterfield, Belleville, Wildwood, University City, Ballwin, Granite City, Wentzville, Alton, Kirkwood, Maryland Heights, East St. Louis, Hazelwood, Collinsville and Edwardsville. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. && LAT...LON 3779 9150 3938 9055 3937 8953 3935 8953 3935 8931 3765 9053 3768 9115 3770 9115 3770 9131 3779 9131 $$ Maples