What is the current flow on Kootenai River?

Kootenai River was running 9,660 cubic feet per second as of Aug 1, 2026, 6:15 PM UTC, measured at USGS gauge 12305000. 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 Kootenai River?

62.6°F (17°C) as of Aug 1, 2026, 5:45 PM UTC, at USGS gauge 12322000. Kootenai 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.

Kootenai River

Idaho. Streamflow and water-temperature readings from USGS gauges. Running 9,660 cfs as of Aug 1, 2026, 6:15 PM UTC.

Latest Reading

9,660

cubic feet / second

62.6°F

water temperature (17°C)

USGS gauges

Flow measured Aug 1, 2026, 6:15 PM UTC at gauge 12305000. Temperature measured Aug 1, 2026, 5:45 PM UTC at gauge 12322000. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Kootenai River

Gauge	Station	Water temp?
12305000	KOOTENAI RIVER AT LEONIA, ID	Yes
12322000	KOOTENAI RIVER AT PORTHILL ID	Yes

Fly fishing rivers →Idaho lakes →

Conditions: USGS NWIS (public domain).