* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...Portions of southern Iowa.
* WHEN...From late tonight through Sunday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS... - Widespread rainfall amounts of 2 inches or more with locally higher amounts of up to 4 inches possible.