Obion River at Hwy 51 near Obion, TN Flow & Water Level

NWS river forecast

Forecast from the NOAA National Water Prediction Service. Issued a few times a day and only while a forecast is active. Not for navigation.

Last 30 days

About this gauge

USGS gauge 07026040 sits on the Obion River and reads everything draining 1,875 square miles of the Obion basin. Its datum sits 244 feet above sea level NAVD88. Daily flow has been on record here since 1929, 82 years of it.

Where this gauge sits in the drainage

One gauged site sits upstream of here. The closest is South Fork Obion River near Greenfield, TN, reading 383 square miles. This gauge adds the 1,492 square miles that drain in between.

Normal flows here

The Obion River runs a median of 1,130 cfs at this gauge across 82 years of record. February is the fullest month at a median 2,580 cfs, and October the leanest at 615 cfs. The highest daily mean on record is 99,500 cfs in 1937, and the lowest is 15 cfs in 1937.

Medians from the USGS daily-statistics record, 1929 to 2026. A month at 100% is running at its own long-term median.

Flood stages and record crests

The Obion River reaches flood stage at this gauge at 34 feet. NWS starts watching it at 29 feet. The highest crest on record is 40.8 feet, in April 2025.

Flood categories and crest history from the NOAA National Water Prediction Service, gauge OBNT1. Stages are gage height, not depth. Not for navigation.