What is the current flow on North Fork Sun River?

North Fork Sun River was running 171 cubic feet per second as of Aug 1, 2026, 5:30 PM UTC, measured at USGS gauge 06078500. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

North Fork Sun River

Montana. Streamflow and water-temperature readings from USGS gauges. Running 171 cfs as of Aug 1, 2026, 5:30 PM UTC.

Latest Reading

171

cubic feet / second

USGS gauge

Flow measured Aug 1, 2026, 5:30 PM UTC at gauge 06078500. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on North Fork Sun River

Gauge	Station	Water temp?
06078500	North Fork Sun River near Augusta MT	—

Fly fishing rivers →Montana trout water →Montana lakes →

Conditions: USGS NWIS (public domain).