* WHAT...Heat index values up to 108 expected.
* WHERE...Across Middle Tennessee.
* WHEN...Until 8 PM CDT Saturday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
Heat Advisory
Until 2026-09-17T00:00:00-05:00
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National Weather Service
* WHAT...Heat index values up to 108 expected.
* WHERE...Across Middle Tennessee.
* WHEN...Until 8 PM CDT Saturday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
DUCK RIVER NEAR SHELBYVILLE, TN
Realtime Data
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Report
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Conditions
165
Discharge (cfs)
2.6
Gauge Height (ft)
Streamflow discharge was last observed at 165 cfs, and a gauge height of 2.59 feet.
With the
% decrease since yesterday,
the streamflow average over the past 10 days is 171 .
Weather today, Tomorrow,
The constituents of the river are primarily sediment and nutrients from agricultural practices. There are several potential tributaries and dams in the area, including Normandy Dam and Hurricane Creek. The river experiences seasonal trends, with high flows in the winter and lower flows in the summer. Interestingly, the Duck River is home to more species of fish and freshwater mussels than any other river in the world. Additionally, it is known for its scenic beauty and recreational opportunities such as kayaking and fishing.
September 16, 2026
Elevation
696.0 ft
Last Updated
Gage height, ft
2.59 ft
Streamflow, ft³/s
165.0 ft3/s
Specific conductance, water, unfiltered, microsiemens per centimeter at 25°C
237.0 uS/cm @25C
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 ±2.5°, formazin nephelometric units (FNU)