Rivers in Ohio

Great Miami River at Miamisburg

Montgomery County, OhioNWS MMGO1USGS 03271500Wilmington office

Below flood stage
5.26ftStage

Observed Sun, Sep 27, 11:30 PM EDT

Flood stage
16.00 ft
Forecast crest
5.20 ftMon, Sep 28, 2:00 AM EDT
Record crest
20.65 ft1959

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood27.00 ft
Moderate flood23.00 ft
Minor flood16.00 ft
Action12.00 ft
  1. 27.40 ftThis 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.
  2. 27.00 ftThis 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.
  3. 24.00 ftThis 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.
  4. 22.00 ftFlooding 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.
  5. 20.00 ftStretches of Upper River Road are flooded, as well as low lying areas close the river in Chautauqua, mainly near Cromer Boulevard.
  6. 16.00 ftLowland 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.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 22, 2026.

Crest history

35 crests on NOAA’s list since 1920.

#DateStage
1January 21, 195920.65 ft
2March 6, 196319.36 ft
3January 7, 200518.15 ft
4December 23, 201317.90 ft
5April 7, 202517.04 ft
6December 31, 199017.03 ft
7March 20, 202016.95 ft
8February 24, 197516.81 ft
9April 21, 192016.80 ft
10April 22, 196416.77 ft
11February 27, 192916.50 ft
12April 5, 195716.48 ft
13January 5, 200416.43 ft
14April 5, 201816.38 ft
15May 24, 196816.28 ft
16February 25, 201816.18 ft
17January 10, 193016.16 ft
18May 15, 193316.13 ft
19March 6, 201115.90 ft
20March 24, 200715.70 ft
21March 20, 200815.68 ft
22May 26, 198915.59 ft
23January 31, 198215.32 ft
24December 7, 201115.09 ft
25April 30, 199614.95 ft

Most recent crests

  • April 7, 2025: 17.04 ft
  • March 20, 2020: 16.95 ft
  • April 5, 2018: 16.38 ft
  • February 25, 2018: 16.18 ft
  • December 28, 2015: 14.79 ft
  • June 20, 2015: 13.97 ft
  • December 23, 2013: 17.90 ft
  • January 14, 2013: 12.27 ft
  • December 7, 2011: 15.09 ft
  • March 6, 2011: 15.90 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Ohio River Forecast Center. Forecasts are issued routinely year-round. Stage may be affected by ice. River Forecasts typically include ONLY 2 days of future rain from <u>forecast issuance time</u> (lower right of graph). Occasionally 3 days of future rain included.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.