What is the current flow on Thompson River?

Thompson River was running 201 cubic feet per second as of Aug 1, 2026, 5:45 PM UTC, measured at USGS gauge 12389500. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

Thompson River

Montana. Streamflow and water-temperature readings from USGS gauges. Running 201 cfs as of Aug 1, 2026, 5:45 PM UTC.

Latest Reading

201

cubic feet / second

USGS gauge

Flow measured Aug 1, 2026, 5:45 PM UTC at gauge 12389500. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Thompson River

Gauge	Station	Water temp?
12389500	Thompson River near Thompson Falls MT	—

Fly fishing rivers →Montana trout water →Montana lakes →

Conditions: USGS NWIS (public domain).