Great Miami River At Miamisburg flow report
As of July 15, 2026, Great Miami River At Miamisburg is flowing at 1,130 cfs with a gage height of 4.26 ft, receding 15% over the past 24 hours. Source: USGS gauge #03271500, refreshed throughout the day.
Historical Data
Great Miami River At Miamisburg at a glance
How Great Miami River At Miamisburg is running right now, where it sits on the map, and the key gauge stats.
Great Miami River At Miamisburg is flowing at 1,130 cfs, with the water sitting 4.26 ft at the gage. Flow is down 15% since yesterday as the gauge recedes.
This is USGS gauge #03271500 in Ohio. Over the past 10 days the average has been 1,308 cfs, peaking at 2,590 cfs.
For real-time updates and historical context, see the realtime view or the historical comparison. Browse other gauges in the Ohio flow report.
Streamflow Forecast
Over the next 5 days, Great Miami River At Miamisburg Oh is expected to recede from today's 1340 cfs, toward roughly 1147 cfs by 2026-07-19 (likely range 629-2092 cfs) -- drier than normal for the date.
Powered by PULSE — Snoflo’s forecast engine, trained on this gauge’s full record of storms, snowmelt, and dry spells.
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 At Miamisburg
Some of the significant constituents of this river include agricultural runoff, stormwater, and wastewater. The seasonal trends of the river show that it is typically at its highest level in the spring due to snowmelt and heavy rainfall, while it is at its lowest in the summer and fall. The hydrology of the Great Miami River is also interesting due to the presence of several water treatment plants along its banks that provide clean water to the surrounding communities. Overall, the Great Miami River is a vital resource for the region's ecology and economy.
Nearby streamflow levels
Cross-check Great Miami River At Miamisburg's discharge against nearby gauges to spot whether the change here is local or regional.
| Gauge | Streamflow |
|---|---|
| Great Miami River At Miamisburg Oh | 1,130 cfs |
| Great Miami River Below Miamisburg Oh | 5,170 cfs |
| Holes Creek Near Kettering Oh | 7 cfs |
| Great Miami River At Franklin Oh | 1,420 cfs |
| Twin Creek Near Germantown Oh | 98 cfs |
| Great Miami River At Middletown Oh | 1,730 cfs |
Nearby snowpack data
Snowpack at SNOTEL stations near Great Miami River At 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 At Miamisburg.
Boat launches
See all →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 At 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 At Miamisburg crosses 5,000 cfs"), and Snoflo's iOS app will push the moment USGS reports the crossing.
About Great Miami River At Miamisburg
Where does the streamflow data for Great Miami River At Miamisburg come from?
Discharge, gage height, and water temperature come directly from the USGS streamflow gauge 03271500. 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 At 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 At Miamisburg report
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