At 545 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. 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... Dubuque, Asbury, Dyersville, Monticello, Bellevue, Cascade, Epworth, East Dubuque, Farley, Peosta, Earlville, Hopkinton, New Vienna, Colesburg, Worthington, Holy Cross, La Motte, Luxemburg and Rickardsville.