Flash Flood Warning issued August 03 at 10:45PM CDT until August 04 at 2:30AM CDT by NWS

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM CDT THURSDAY FOR SAINT LOUIS COUNTY AND THE SAINT LOUIS CITY... At 1045 PM CDT, local law enforcement reported thunderstorms producing flash flooding in Creve Coeur and Maryland Heights. The expected rainfall rate is 1 to 3 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly.