Great Miami River at Middletown, OH
River level and flood forecast · Butler County
Normal2.5 ftas of Mon 3:30 PM
The river is 9.5 ft below flood stage (12 ft).
Forecast to fall to 2.3 ft by Sat, Oct 17, 8 AM.
Flow: 1,430 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 10:22 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 24 ft |
| Moderate flood stage | 18 ft |
| Flood stage | 12 ft |
| Action stage | 9 ft |
| Record crest (January 22, 1959) | 19.2 ft |
What floods at each level
From the National Weather Service, highest first.
- 24 ftMajor flooding occurs in Middletown. Levees protecting the city are topped. Widespread major flooding also occurs near Excello and areas of Trenton near the river. Numerous homes and businesses are inundated.
- 22.5 ftThis flood would equal that of the 1913 record flood. While the City of Middletown is protected to a stage of 24 feet with levees and flood gates, widespread flooding along the river outside of Middletown protection occurs.
- 18 ftRoute 73 is closed due to high water. Property near Route 73 outside of Trenton experiences flooding. The City of Middletown is protected by levees and flood gates to a stage of 24 feet.
- 16 ftAdditional flooding of property near the river occurs, especially south of Middletown near Excello. Several homes and businesses in this area are flooded. The City of Middletown is protected by levees and flood gates to a level of 24 feet.
- 14 ftWater further inundates properties near Route 73 from the east side of the river to Excello. Several homes and businesses become inundated. The City of Middletown itself is protected by flood walls and levees to a stage of 24 feet.
- 12 ftWater approaches structures south of Route 73 between Excello and the Great Miami River. This includes properties along Oxford Street.
- 11 ftWater covers some private property areas along either side of Route 73 from the east side of the river approaching Excello. The City of Middletown is protected by levees and floodgates to a level of 24 feet.
Highest crests on record
- 19.2 ft — January 22, 1959
- 17.5 ft — February 1, 1929
- 16.7 ft — June 30, 1958
- 16.6 ft — January 27, 1952
- 15.9 ft — May 1, 1933
Recent crests: 12.99 ft (August 20, 2026) · 14.02 ft (April 7, 2025) · 12.23 ft (April 4, 2025) · 12.72 ft (March 25, 2023) · 13.08 ft (May 19, 2020)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MDTO1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.