River stage
Last reported 2026-10-13 | NWS HRCM7
In brief
The Mississippi River at Herculaneum, MO read 10.18 ft on Oct 13, 2026, 13.82 ft below action stage.
Source: National Weather Service gauge HRCM7
| Rank | Crest | Date |
|---|---|---|
| 1 | 29.79 ft | 2024-07-10 |
| 2 | 29.31 ft | 2021-03-21 |
| 3 | 27.90 ft | 2022-05-08 |
| 4 | 27.41 ft | 2021-06-29 |
| 5 | 27.12 ft | 2026-05-01 |
| 6 | 27.10 ft | 2024-05-02 |
| 7 | 26.39 ft | 2024-05-11 |
| 8 | 26.02 ft | 2024-07-17 |
Flood crests recorded at this gauge by the National Weather Service.
Near this height, the bottom of the utility gravel road (Station Road) begins flooding.
Near this height, the walking trail (extension of Station Road) at Bates Memorial Park begins flooding.
Near this height, the Flux Building of the Doe Run Company begins flooding.
Near this height, the biggest of the three ball fields at Kades Playground and the All Bark Village dog park begin flooding.
Near this height, the Barge Unloading Building of the Doe Run Company begins flooding.
Near this height, two of the three ball fields at Kades Playground will be unplayable.
Near this height, all 3 of the ball fields at Kades Playground will be unplayable.
At this height, the ground adjacent to the office trailer at the Doe Run barge unloader will be inundated.
At this height, the railroad tracks at the Herculaneum riverfront will be inundated.
Near this height, the New South bridge will begin flooding at the south approach to the bridge.
Written by the local National Weather Service forecast office for this exact gauge.
No. The Mississippi River at Herculaneum is at 10.18 ft, 13.82 ft below action stage.
The National Weather Service sets action stage 24 ft, minor flooding 26 ft, moderate flooding 32 ft and major flooding 37 ft.
The highest crest on record is 29.79 ft, on 2024-07-10.
Stage and flood information from the NOAA National Weather Service (gauge HRCM7). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.