What is the current flow on North Fork Blackfoot River?

North Fork Blackfoot River was running 298 cubic feet per second as of Aug 1, 2026, 6:00 PM UTC, measured at USGS gauge 12338300. 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 North Fork Blackfoot River?

54.5°F (12.5°C) as of Aug 1, 2026, 6:00 PM UTC, at USGS gauge 12338300. North Fork Blackfoot 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.

North Fork Blackfoot River

Montana. Streamflow and water-temperature readings from USGS gauges. Running 298 cfs as of Aug 1, 2026, 6:00 PM UTC.

Latest Reading

298

cubic feet / second

54.5°F

water temperature (12.5°C)

USGS gauge

Flow measured Aug 1, 2026, 6:00 PM UTC at gauge 12338300. Temperature measured Aug 1, 2026, 6:00 PM UTC at gauge 12338300. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on North Fork Blackfoot River

Gauge	Station	Water temp?
12338300	NF Blackfoot R ab Dry Gulch nr Ovando MT	Yes

Fly fishing rivers →Montana trout water →Montana lakes →

Conditions: USGS NWIS (public domain).