Flash Flood Warning issued May 17 at 3:08AM CDT until May 17 at 5:15AM CDT by NWS Sioux Falls SD

At 308 AM CDT, Doppler radar and automated rain gauges indicated thunderstorms produced heavy rain earlier this morning across the warned area. Between 2.5 and 3.5 inches of rain fell with these thunderstorms. Additional rainfall amounts up to 0.5 inches are possible in the warne