Rivers in Indiana
Ohio River at Mount Vernon
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 52.00 ft |
| Moderate flood | 45.00 ft |
| Minor flood | 35.00 ft |
| Action | 28.00 ft |
- 59.21 ftThis flood will exceed the highest stage on record.
- 52.00 ftMajor flooding occurs. Large amounts of land are inundated and many homes and businesses will require evacuation.
- 45.00 ftLarge portions of Point Township in Posey county are flooded.
- 40.00 ftFarm land and some main roads are flooded in places southwest and west of Mt. Vernon.
- 28.00 ftFlooding of numerous sloughs on both sides of the river occurs. Flood waters will begin to back into the lower Wabash River flooding bottomlands in that area.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 14% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 15, 2026.
Crest history
71 crests on NOAA’s list since 1884.
| # | Date | Stage |
|---|---|---|
| 1 | February 1, 1937 | 59.21 ft |
| 2 | April 5, 1913 | 52.90 ft |
| 3 | May 5, 2011 | 51.80 ft |
| 4 | February 20, 1884 | 51.70 ft |
| 5 | March 14, 1945 | 51.20 ft |
| 6 | April 13, 2025 | 50.10 ft |
| 7 | March 18, 1964 | 50.05 ft |
| 8 | March 12, 1997 | 50.00 ft |
| 9 | January 18, 1950 | 49.80 ft |
| 10 | March 4, 2018 | 49.00 ft |
| 11 | January 26, 1907 | 48.50 ft |
| 12 | April 3, 1898 | 48.30 ft |
| 13 | January 9, 1991 | 47.40 ft |
| 14 | May 15, 1961 | 47.30 ft |
| 15 | January 17, 2005 | 47.20 ft |
| 16 | March 23, 1963 | 46.70 ft |
| 17 | December 17, 1978 | 46.50 ft |
| 18 | February 19, 2019 | 46.40 ft |
| 19 | March 19, 2015 | 46.40 ft |
| 20 | March 27, 1943 | 46.30 ft |
| 21 | March 9, 1962 | 46.10 ft |
| 22 | March 25, 2008 | 45.60 ft |
| 23 | February 3, 1949 | 45.00 ft |
| 24 | March 14, 1955 | 44.90 ft |
| 25 | March 9, 2021 | 44.40 ft |
Most recent crests
- April 13, 2025: 50.10 ft
- February 24, 2025: 44.30 ft
- April 22, 2024: 40.10 ft
- February 1, 2024: 36.50 ft
- March 30, 2023: 37.00 ft
- February 23, 2023: 36.20 ft
- March 3, 2022: 42.90 ft
- January 8, 2022: 40.60 ft
- March 9, 2021: 44.40 ft
- February 21, 2020: 43.30 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Ohio River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service.