| Flood Impacts |
| 66.4 | The river will reach the top of the protection at Brookport Illinois. |
| 62.3 | This flood will exceed the highest stage on record. |
| 57.0 | Major flooding occurs. The lower part of the main business section in Metropolis is flooded. |
| 53.1 | The first gate at Brookport Illinois is closed. |
| 52.0 | Moderate flooding occurs with some homes near Lock and Dam 52 cut off. |
| 51.6 | Evacuation is required of 1st and 2nd streets in Metropolis. |
| 50.0 | Flooding begins in Joppa Illinois. |
| 48.0 | Flooding starts at Metropolis Illinois. |
| 37.0 | Minor flooding occurs affecting mainly agricultural bottomland and low lying areas. |
