What is the current flow on Grand River?

Grand River was running 38 cubic feet per second as of Aug 1, 2026, 6:00 PM UTC, measured at USGS gauge 06357600. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

Grand River

South Dakota. Streamflow and water-temperature readings from USGS gauges. Running 38 cfs as of Aug 1, 2026, 6:00 PM UTC.

Latest Reading

cubic feet / second

USGS gauges

Flow measured Aug 1, 2026, 6:00 PM UTC at gauge 06357600. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Grand River

Gauge	Station	Water temp?
06357600	GRAND RIVER NEAR THUNDER HAWK, SD	—
06357800	GRAND RIVER AT LITTLE EAGLE, SD	—

Fly fishing rivers →South Dakota lakes →

Conditions: USGS NWIS (public domain).