River stage
Miamisburg, Great Miami River
- River level
- 4.27 ft
- Status
- Below flood stage
- 7-day change
- -0.25 ft
- Recent high
- 10.46 ft
- Recent low
- 3.75 ft
Last reported 2026-10-13 | NWS MMGO1
- 30-day change
- -0.24 ft
- Average
- 5.28 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 20.65 ft
In brief
The Great Miami River at Miamisburg, OH read 4.27 ft on Oct 13, 2026, 7.73 ft below action stage. That is 0.24 ft lower than 30 days earlier.
Source: National Weather Service gauge MMGO1
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 20.65 ft | 1959-01-21 |
| 2 | 19.36 ft | 1963-03-06 |
| 3 | 18.15 ft | 2005-01-07 |
| 4 | 17.90 ft | 2013-12-23 |
| 5 | 17.04 ft | 2025-04-07 |
| 6 | 17.03 ft | 1990-12-31 |
| 7 | 16.95 ft | 2020-03-20 |
| 8 | 16.81 ft | 1975-02-24 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 16.00 ft
Lowland flooding occurs from south of Miamisburg to Franklin, Carlisle, Trenton and New Miami. Water begins to spill onto low-lying roadways, mainly along portions of Dayton-Oxford Road.
- 20.00 ft
Stretches of Upper River Road are flooded, as well as low lying areas close the river in Chautauqua, mainly near Cromer Boulevard.
- 22.00 ft
Flooding continues along the river in low areas of West Carrollton and south of Miamisburg to near Chautauqua. Properties near Squire Street, Circle Drive and West Main Street in West Carrollton flood. Low-lying roads near the river continue to flood. Flooded roads include Dayton-Cincinnati Pike between Brenner and Chautauqua Roads, portions of Lower Miamisburg Road, and upper River Road from Soldier Home Road to areas just south of Dayton.
- 24.00 ft
This is the FEMA 1 percent flood. In Chauquatua, areas near and east of Yale, Woodlawn and Western Avenues flood, with the low lying homes also flooded. Flooding also occurs along Janet Avenue and Dayton Cincinnati Pike. The Miamisburg water plant floods. In West Carrollton, substantial flooding occurs to the southwest of Miami Avenue, as well in the Gibbons Road and Savoy Avenue area, with dozens of homes flooded. Most of Miamisburg and West Carrollton are protected to a stage of 27.4 feet.
- 27.00 ft
This is within inches of the top of planned flood protection. While West Carrollton is already incurring major flooding, the floodwall protecting areas of the city north of Central Avenue are in danger of flooding. Significant flooding occurs along and east of Yale Avenue, Woodlawn Avenue and Western Avenue near Chatauqua. Low lying flooding also occurs along Janet Avenue. Stretches of Dayton Cincinnati Pike are also flooded.
- 27.40 ft
This is the top of the planned flood protection. West Carrollton is significantly flooded, while only low lying homes and businesses in Miamisburg are flooded. Significant flooding occurs along and east of Yale Avenue, Woodlawn Avenue and Western Avenue near Chatauqua. Low lying flooding also occurs along Janet Avenue. Stretches of Dayton Cincinnati Pike are also flooded.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Great Miami River flooding at Miamisburg?
No. The Great Miami River at Miamisburg is at 4.27 ft, 7.73 ft below action stage.
What is the flood stage at Miamisburg?
The National Weather Service sets action stage 12 ft, minor flooding 16 ft, moderate flooding 23 ft and major flooding 27 ft.
What is the highest the Great Miami River has been at Miamisburg?
The highest crest on record is 20.65 ft, on 1959-01-21.
Is the Great Miami River high or low right now at Miamisburg?
At 4.27 ft it is higher than 25% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge MMGO1); daily history from the U.S. Geological Survey (site 03271500). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.