Ohio River at Olmsted Lock and Dam Headwater, IL
River level and flood forecast · Pulaski County
Normal22.9 ftas of Mon 3 PM
The river is 13.1 ft below flood stage (36 ft).
Flow: 85,600 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 47 ft |
| Moderate flood stage | 42 ft |
| Flood stage | 36 ft |
| Action stage | 34 ft |
| Record crest (February 21, 2020) | 48.2 ft |
Highest crests on record
- 48.2 ft — February 21, 2020
- 44.79 ft — March 3, 2022
- 43.33 ft — March 8, 2021
- 42.94 ft — February 20, 2025
- 39.47 ft — March 9, 2023
Recent crests: 42.94 ft (February 20, 2025) · 37.36 ft (May 13, 2024) · 39.47 ft (March 9, 2023) · 44.79 ft (March 3, 2022) · 38.1 ft (January 11, 2022)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (OLMI2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.