What is the current flow on South Fork Mckenzie River?

South Fork Mckenzie River was running 341 cubic feet per second as of Aug 1, 2026, 6:40 PM UTC, measured at USGS gauge 14159500. 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 South Fork Mckenzie River?

50.4°F (10.2°C) as of Aug 1, 2026, 6:15 PM UTC, at USGS gauge 14159500. South Fork Mckenzie 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.

South Fork Mckenzie River

Oregon. Streamflow and water-temperature readings from USGS gauges. Running 341 cfs as of Aug 1, 2026, 6:40 PM UTC.

Latest Reading

341

cubic feet / second

50.4°F

water temperature (10.2°C)

USGS gauges

Flow measured Aug 1, 2026, 6:40 PM UTC at gauge 14159500. Temperature measured Aug 1, 2026, 6:15 PM UTC at gauge 14159500. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on South Fork Mckenzie River

Gauge	Station	Water temp?
14159130	SF MCKENZIE RIVER ABV ROARING R NR COUGAR DAM, OR	Yes
14159500	SOUTH FORK MCKENZIE RIVER NEAR RAINBOW, OR	Yes

Fly fishing rivers →Oregon lakes →

Conditions: USGS NWIS (public domain).