What is the current flow on Mackinaw River?

Mackinaw River was running 323 cubic feet per second as of Aug 1, 2026, 5:45 PM UTC, measured at USGS gauge 05568000. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

Mackinaw River

Illinois. Streamflow and water-temperature readings from USGS gauges. Running 323 cfs as of Aug 1, 2026, 5:45 PM UTC.

Latest Reading

323

cubic feet / second

USGS gauges

Flow measured Aug 1, 2026, 5:45 PM UTC at gauge 05568000. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on Mackinaw River

Gauge	Station	Water temp?
05567500	MACKINAW RIVER NEAR CONGERVILLE, IL	Yes
05568000	MACKINAW RIVER NEAR GREEN VALLEY, IL	Yes

Fly fishing rivers →Illinois lakes →

Conditions: USGS NWIS (public domain).