Great Miami River Below Miamisburg flow report
As of July 14, 2026, Great Miami River Below Miamisburg is flowing at 5,170 cfs, receding 15% over the past 24 hours. Source: USGS gauge #03271601, refreshed throughout the day.
Historical Data
Great Miami River Below Miamisburg at a glance
How Great Miami River Below Miamisburg is running right now, where it sits on the map, and the key gauge stats.
Great Miami River Below Miamisburg is flowing at 5,170 cfs, with the water sitting 9.28 ft at the gage. Flow is down 15% since yesterday as the gauge recedes.
This is USGS gauge #03271601 in Ohio. Over the past 10 days the average has been 13,425 cfs, peaking at 23,700 cfs.
For real-time updates and historical context, see the realtime view or the historical comparison. Browse other gauges in the Ohio flow report.
How does this compare to past years?
Year-over-year overlay, annual peak discharge, the full distribution of daily flows on record, and the gauge's rating curve.
Weather Forecast
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day forecast
Daily temperatures, snow, and rain projected over the next two weeks.
Great Miami River Below Miamisburg
The river provides drinking water for over one million people and serves as a habitat for a diverse range of wildlife. Its main constituents are agricultural runoff, stormwater runoff, and treated wastewater. The river is also home to several dams, including the Dayton Hydroelectric Plant. Seasonally, the river experiences high flows in the spring due to snowmelt and rainfall, while summer flows are typically lower. Interesting facts about the hydrology of the Great Miami River include its connection to the Miami-Erie Canal and its designation as a National Water Trail.
Nearby streamflow levels
Cross-check Great Miami River Below Miamisburg's discharge against nearby gauges to spot whether the change here is local or regional.
| Gauge | Streamflow |
|---|---|
| Great Miami River Below Miamisburg Oh | 5,170 cfs |
| Great Miami River At Miamisburg Oh | 1,340 cfs |
| Great Miami River At Franklin Oh | 1,730 cfs |
| Great Miami River At Middletown Oh | 2,090 cfs |
| Holes Creek Near Kettering Oh | 8 cfs |
| Twin Creek Near Germantown Oh | 146 cfs |
Nearby snowpack data
Snowpack at SNOTEL stations near Great Miami River Below Miamisburg. Spring snowmelt is the dominant driver of streamflow in mountain basins -- a deep snowpack upstream means more runoff later in the season.
| SNOTEL station | Snowpack |
|---|---|
| Farmersville 1.7 E | 0 in |
| New Lebanon 0.6 Sse | 0 in |
| Wfo Wilmington | 0 in |
| Cheviot 3w | 0 in |
| Alpine 2 Ne | 0 in |
Plan a trip
Reservoirs, boat launches, river runs, and fishing spots within driving distance of Great Miami River Below Miamisburg.
Boat launches
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River levels & flood safety
- Read the level before you go
- A river that's runnable at one flow can be deadly at another. Check current discharge and gage height — like the values shown above — against the flood-stage thresholds, and remember levels can spike fast after rain or a dam release.
- Respect cold water
- Snowmelt rivers run cold even in summer. Sudden immersion triggers cold-water shock and saps strength within minutes. Wear a PFD, dress for the water temperature (not the air), and never wade or paddle alone.
- Watch for swiftwater hazards
- Strainers (downed trees), undercut rocks, and low-head dams are the deadliest features on moving water. High, fast, muddy water hides them. If in doubt, scout from shore and portage.
- Mind flash floods & releases
- Narrow canyons can flood from a storm miles upstream, and dam-controlled reaches can rise without warning. Know the forecast, the release schedule, and your exit before you launch.
Track Great Miami River Below Miamisburg in the Snoflo app
Save this gauge as a favorite, set push alerts when streamflow crosses a threshold (e.g. "alert me when Great Miami River Below Miamisburg crosses 5,000 cfs"), and Snoflo's iOS app will push the moment USGS reports the crossing.
About Great Miami River Below Miamisburg
Where does the streamflow data for Great Miami River Below Miamisburg come from?
Discharge, gage height, and water temperature come directly from the USGS streamflow gauge 03271601. Snoflo refreshes the time series throughout the day. Forecasts come from the NOAA / yr.no feed Snoflo's iOS app uses.
How often is the report updated?
USGS gauges report continuously (typically every 15 minutes). Snoflo pulls fresh values throughout the day — look for the "as of" timestamp on the streamflow hero card.
What's the difference between discharge and gage height?
Discharge (cubic feet per second, or cfs) is the volume of water flowing past the gauge each second. Gage height is how high the water sits at the gauge (feet). They're related by a rating curve specific to each gauge — higher water means more flow, but the exact ratio depends on channel shape.
How is "percent of median" calculated?
Today's discharge is compared to the historical median discharge on this calendar day across the gauge's full record. 100% = right on median; 200% = a very high year; 30% = a drought-level low.
What are flood stages, and is this river safe right now?
Flood stages are NWS-defined gage-height thresholds — Action, Minor, Moderate, Major — marking when nearby roads or floodplains start to be affected. "Safe" depends on your activity and skill: a level that's a fun paddle for an expert can be lethal for a wader. Always check the current level against the thresholds above and the safety links, and when in doubt, stay off the water.
Can I get alerts when Great Miami River Below Miamisburg rises?
Yes — flow alerts are managed in the Snoflo iOS app. Favorite this gauge, set a streamflow threshold (e.g. "alert me when discharge crosses 5,000 cfs"), and you'll get a push the moment USGS reports the crossing.
Access the free Great Miami River Below Miamisburg report
Create your free account to track this river — and everything else you love on the water.
- Flow alerts — get pinged the moment this river hits your range
- Save favorites — every river, lake & snowpack in one place
- Full history & forecasts — plus the free iPhone app