| Flood Impacts |
| 25.0 | Water reaches the bottom of the bridge at the Maxwell Colony...and the bridge on Highway 18 near Olivet is overtopped. |
| 24.0 | The bridge on 431st Avenue 4 miles southeast of the Maxwell Colony is overtopped. |
| 22.0 | Water reaches the bottom of the bridge on Highway 18 near Olivet. |
| 21.0 | Water reaches the bottom of the bridge on 431st Avenue 4 miles southeas tof the Maxwell Colony. |
| 20.0 | Highway 44 between Parkston and Freeman...Highway 46 west of Irene...Stone Church Road between Highway 46 and Menno...Highway 81 north of Yankton...and the Jamesville Colony Road in northern Yankton County will all be flooded. |
| 18.5 | Flooding begins to affect some farm buildings. |
| 18.0 | Highway 44 south of Milltown and Keiber Road in Milltown will be flooded. |
| 16.0 | Approximately 22850 acres of farm land are flooded between Mitchell and Yankton. |
| 14.0 | Approximately 4400 acres of farm land are flooded between Mitchell and Yankton. |
| 13.0 | Significant agricultural flooding begins. |
| 11.0 | The lower left bank overflows with some very minor flooding of low lying areas. |
