Rock River

States: Illinois 5 active gauges

Live and historical streamflow for every active USGS gauge on the Rock River — current discharge (CFS), gage height, and how today's flow ranks against the long-term record for this date. Latest reading .

Station Discharge (CFS) Gage Ht (ft) Condition Flood Stage (ft)
Rock River Near Joslin, IL
IL
6,680 6.44 Normal 12.0 ft
Rock River at Byron, IL
IL
5,540 6.83 Normal 13.0 ft
Rock River at Como, IL
IL
6,220 4.59 Normal 12.5 ft
Rock River at Dixon, IL
IL
5,770 9.12 Normal 16.0 ft
Rock River at Rockton, IL
IL
4,690 5.02 Normal 10.0 ft

About the Rock River

The Rock River is monitored by 5 active USGS stream gauges across Illinois. Most gauges are running near normal for this date. The strongest flow on the river right now is at Rock River Near Joslin, IL (6,680 cfs).

See the glossary for how percentile rank and flow conditions are calculated from the long-term USGS record.

Data source: USGS National Water Information System