* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of south central and southwest Iowa, including the following counties, Decatur, Ringgold, Wayne, Adams and Taylor. * WHEN...Until 8 AM CDT Sunday. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Rainfall amounts of around 2-4" have fallen with previous storms this evening. Additional incoming rainfall of 1-4", with locally higher amounts possible, may lead to increasing flood chances through the overnight hours.