What is the current flow on Long Tom River?

Long Tom River was running 62 cubic feet per second as of Aug 1, 2026, 6:40 PM UTC, measured at USGS gauge 14169000. 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 Long Tom River?

73.9°F (23.3°C) as of Aug 1, 2026, 6:40 PM UTC, at USGS gauge 14170000. Long Tom 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.

Long Tom River

Oregon. Streamflow and water-temperature readings from USGS gauges. Running 62 cfs as of Aug 1, 2026, 6:40 PM UTC.

Latest Reading

cubic feet / second

73.9°F

water temperature (23.3°C)

USGS gauges

Flow measured Aug 1, 2026, 6:40 PM UTC at gauge 14169000. Temperature measured Aug 1, 2026, 6:40 PM UTC at gauge 14170000. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Long Tom River

Gauge	Station	Water temp?
14166500	LONG TOM RIVER NEAR NOTI, OR	Yes
14169000	LONG TOM RIVER NEAR ALVADORE, OR	Yes
14170000	LONG TOM RIVER AT MONROE, OR	Yes

Fly fishing rivers →Oregon lakes →

Conditions: USGS NWIS (public domain).