What is the current flow on North Branch Chicago River?

North Branch Chicago River was running 405 cubic feet per second as of Aug 1, 2026, 6:00 PM UTC, measured at USGS gauge 05536085. This is a build-time snapshot rather than a live reading — check the USGS gauge directly before relying on it.

North Branch Chicago River

Illinois. Streamflow and water-temperature readings from USGS gauges. Running 405 cfs as of Aug 1, 2026, 6:00 PM UTC.

Latest Reading

405

cubic feet / second

USGS gauges

Flow measured Aug 1, 2026, 6:00 PM UTC at gauge 05536085. These are build-time snapshots, not a live feed — check the USGS gauge before relying on them.

USGS Gauges on North Branch Chicago River

Gauge	Station	Water temp?
05534500	NORTH BRANCH CHICAGO RIVER AT DEERFIELD, IL	—
05536000	NORTH BRANCH CHICAGO RIVER AT NILES, IL	—
05536085	NB CHICAGO RIVER AT N PULASKI ROAD AT CHICAGO, IL	—
05536118	NB CHICAGO RIVER AT GRAND AVENUE AT CHICAGO, IL	—

Fly fishing rivers →Illinois lakes →

Conditions: USGS NWIS (public domain).