What is the current flow on Bighorn River?

Bighorn River was running 1,670 cubic feet per second as of Aug 1, 2026, 6:30 PM UTC, measured at USGS gauge 06287800. 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 Bighorn River?

54.7°F (12.6°C) as of Aug 1, 2026, 6:30 PM UTC, at USGS gauge 06287800. Bighorn 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.

Bighorn River

Montana. Streamflow and water-temperature readings from USGS gauges. Running 1,670 cfs as of Aug 1, 2026, 6:30 PM UTC.

Latest Reading

1,670

cubic feet / second

54.7°F

water temperature (12.6°C)

USGS gauges

Flow measured Aug 1, 2026, 6:30 PM UTC at gauge 06287800. Temperature measured Aug 1, 2026, 6:30 PM UTC at gauge 06287800. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Bighorn River

Gauge	Station	Water temp?
06287000	Bighorn R bl Yellowtail Afterbay Dam nr St. Xavier	—
06287800	Bighorn River at bridge, at St. Xavier, MT	Yes
06288400	Bighorn River at Two Leggins Bridge, near Hardin	—
06294500	Bighorn River ab Tullock Cr nr Bighorn MT	—

Fly fishing rivers →Montana trout water →Montana lakes →

Conditions: USGS NWIS (public domain).