What is the current flow on Rock Creek?

Rock Creek was running 360 cubic feet per second as of Aug 1, 2026, 5:45 PM UTC, measured at USGS gauge 12334510. 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 Rock Creek?

62.8°F (17.1°C) as of Aug 1, 2026, 5:45 PM UTC, at USGS gauge 12334510. Rock Creek 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.

Rock Creek

Montana. Streamflow and water-temperature readings from USGS gauges. Running 360 cfs as of Aug 1, 2026, 5:45 PM UTC.

Latest Reading

360

cubic feet / second

62.8°F

water temperature (17.1°C)

USGS gauges

Flow measured Aug 1, 2026, 5:45 PM UTC at gauge 12334510. Temperature measured Aug 1, 2026, 5:45 PM UTC at gauge 12334510. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Rock Creek

Gauge	Station	Water temp?
06169500	Rock Creek bl Horse Creek nr int'l boundary	—
06209500	Rock Creek near Red Lodge MT	—
12334510	Rock Creek near Clinton MT	Yes
12345510	Rock Cr bl canal diversion, near Darby, MT	—

Fly fishing rivers →Montana trout water →Montana lakes →

Conditions: USGS NWIS (public domain).