What is the current flow on Siuslaw River?

Siuslaw River was running 105 cubic feet per second as of Aug 1, 2026, 6:00 PM UTC, measured at USGS gauge 14307620. 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 Siuslaw River?

73.4°F (23°C) as of Aug 1, 2026, 6:00 PM UTC, at USGS gauge 14307620. Siuslaw 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.

Siuslaw River

Oregon. Streamflow and water-temperature readings from USGS gauges. Running 105 cfs as of Aug 1, 2026, 6:00 PM UTC.

Latest Reading

105

cubic feet / second

73.4°F

water temperature (23°C)

USGS gauges

Flow measured Aug 1, 2026, 6:00 PM UTC at gauge 14307620. Temperature measured Aug 1, 2026, 6:00 PM UTC at gauge 14307620. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Siuslaw River

Gauge	Station	Water temp?
14306950	SIUSLAW RIVER NEAR ALMA, OR	Yes
14307620	SIUSLAW RIVER NEAR MAPLETON, OR	Yes

Fly fishing rivers →Oregon lakes →

Conditions: USGS NWIS (public domain).