* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of east central and northeast Nebraska, including the following counties, in east central Nebraska, Butler and Saunders. In northeast Nebraska, Boone, Colfax and Platte. * WHEN...From this evening through Sunday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Thunderstorms with heavy rainfall may produce localized totals of 3 to 5 inches within the Flood Watch area this evening into Sunday morning. - For flood safety information, visit weather.gov/safety/flood.