River Conditions
Illustrated map of Grand Lake St Marys

River stage

Oldtown, Little Miami River

River level
1.56 ft
Status
Below flood stage
7-day change
-0.05 ft
Recent high
4.30 ft
Recent low
1.46 ft

Last reported 2026-10-13 | NWS OLDO1

30-day change
-0.38 ft
Average
1.81 ft
Readings
122
Data span
122 days

In brief

The Little Miami River at Oldtown, OH read 1.56 ft on Oct 13, 2026, 6.44 ft below action stage. That is 0.38 ft lower than 30 days earlier.

Source: National Weather Service gauge OLDO1

Water 64 °F (18 °C)

River level timeline

1.41.82.32.73.2SEP 13SEP 18SEP 23SEP 28OCT 03OCT 08OCT 13HIGH 2.98LOW 1.561.56 ftLAST READING

Stage threshold profile

Action stage 8.00 ft CURRENT 1.56 ft

Frequently asked questions

Is the Little Miami River flooding at Oldtown?

No. The Little Miami River at Oldtown is at 1.56 ft, 6.44 ft below action stage.

What is the flood stage at Oldtown?

Action stage 8 ft is the first threshold.

What is the highest the Little Miami River has been at Oldtown?

The highest recent USGS reading is 4.3 ft on 2026-08-20.

Is the Little Miami River high or low right now at Oldtown?

At 1.56 ft it is higher than 20% of readings over the last 122 days.

How warm is the water at Oldtown, Little Miami River?

The water temperature at Oldtown, Little Miami River is 64 °F (17.6 °C), measured 6:30 pm by USGS. It has risen 0.9 °F in the last 24 hours.

Stage and flood information from the NOAA National Weather Service (gauge OLDO1); daily history from the U.S. Geological Survey (site 03240000). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.