What is the current flow on Rainy River?

Rainy River was running 4,150 cubic feet per second as of Aug 1, 2026, 6:30 PM UTC, measured at USGS gauge 05133500. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

What is the water temperature on Rainy River?

77.4°F (25.2°C) as of Aug 1, 2026, 6:30 PM UTC, at USGS gauge 05133500. Rainy River carries no state trout classification, so the trout-stress thresholds do not apply to it — this is a water temperature measurement, not a fishery judgement.

Rainy River

Minnesota. Streamflow and water-temperature readings from USGS gauges. Running 4,150 cfs as of Aug 1, 2026, 6:30 PM UTC.

Latest Reading

4,150

cubic feet / second

77.4°F

water temperature (25.2°C)

USGS gauges

Flow measured Aug 1, 2026, 6:30 PM UTC at gauge 05133500. Temperature measured Aug 1, 2026, 6:30 PM UTC at gauge 05133500. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Rainy River

Gauge	Station	Water temp?
05129515	RAINY R AT BOAT LANDING BLW INTERNATIONAL FALLS,MN	—
05133500	RAINY RIVER AT MANITOU RAPIDS, MN	Yes
05137500	RAINY RIVER NEAR BOAT LANDING AT WHEELERS POINT,MN	—

Fly fishing rivers →Minnesota lakes →

Conditions: USGS NWIS (public domain).