 The National Weather Service in the Quad Cities has issued a flash flood warning for Southern Cedar County, Northeastern Johnson County until 1245 a.m. Wednesday. At 631 p.m., Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between one and two inches of rain have fallen. The expected rainfall rate is 1.5 to 2.5 inches in one hour. Additional rainfall amounts of one to two inches are possible in the warned area.