What is the current flow on Bitterroot River?

Bitterroot River was running 638 cubic feet per second as of Aug 1, 2026, 6:00 PM UTC, measured at USGS gauge 12352500. 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 Bitterroot River?

68.7°F (20.4°C) as of Aug 1, 2026, 6:00 PM UTC, at USGS gauge 12352500. Bitterroot 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.

Bitterroot River

Montana. Streamflow and water-temperature readings from USGS gauges. Running 638 cfs as of Aug 1, 2026, 6:00 PM UTC.

Latest Reading

638

cubic feet / second

68.7°F

water temperature (20.4°C)

USGS gauges

Flow measured Aug 1, 2026, 6:00 PM UTC at gauge 12352500. Temperature measured Aug 1, 2026, 6:00 PM UTC at gauge 12352500. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Bitterroot River

Gauge	Station	Water temp?
12344000	Bitterroot River near Darby MT	Yes
12350250	Bitterroot River at Bell Crossing nr Victor MT	—
12352500	Bitterroot River near Missoula MT	Yes

Fly fishing rivers →Montana trout water →Montana lakes →

Conditions: USGS NWIS (public domain).