What is the current flow on Rock River?

Rock River was running 1,920 cubic feet per second as of Aug 1, 2026, 6:00 PM UTC, measured at USGS gauge 05430500. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

Rock River

Wisconsin. Streamflow and water-temperature readings from USGS gauges. Running 1,920 cfs as of Aug 1, 2026, 6:00 PM UTC.

Latest Reading

1,920

cubic feet / second

USGS gauges

Flow measured Aug 1, 2026, 6:00 PM UTC at gauge 05430500. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Rock River

Gauge	Station	Water temp?
05424057	ROCK RIVER AT HORICON, WI	—
05424157	ROCK RIVER NEAR LEBANON, WI	—
05425500	ROCK RIVER AT WATERTOWN, WI	—
05426031	ROCK RIVER AT JEFFERSON, WI	—
05427085	ROCK RIVER AT FORT ATKINSON, WI	—
05427530	ROCK RIVER AT NEWVILLE, WI	—
05430500	ROCK RIVER AT AFTON, WI	—

Fly fishing rivers →Wisconsin trout water →Wisconsin lakes →

Conditions: USGS NWIS (public domain).