At 625 PM CDT, Heavy rainfall and run-off from earlier rounds of strong thunderstorms may still be producing some lingering flooding across the warned area. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. 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... Freeport, Lena, Stockton, Warren, Hanover, Pearl City, Elizabeth, Cedarville, Davis, Woodbine, Dakota, German Valley, Scales Mound, Apple River, Winslow, Rock City, Ridott, Nora, Massbach and Schapville. This includes the following State Parks... Apple River Canyon State Park and Lake Le-Aqua-Na State Recreation Area.