Rock River at Rockton, IL

Winnebago County, Illinois · USGS gauge 05437500 · NWS ROKI2 · Rock River flood status · Illinois river levels

Is Rock River at Rockton, IL flooding right now?

Rock River at Rockton, IL measured 7.03 ft on 2026-09-22 20:30:00 UTC. That observation was 3.0 ft below its 10 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
7.03 ft
as of 64 min ago
Streamflow
8,360 cfs
data refreshed 3 min ago

Minor flooding here begins at 10 ft, with major flooding at 14 ft. The highest crest on record was 15.54 ft on Tue, Mar 25, 1975.

Streamflow outlook

NOAA National Water Model forecast, issued 10 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

CategoryStageCurrent distance
Action8.5 ft1.5 ft below
Minor flood10 ft3.0 ft below
Moderate flood11 ft4.0 ft below
Major flood14 ft7.0 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
15.54 ft1975-03-25
15.13 ft2019-03-17
14.8 ft1904-03-22
14.72 ft2008-06-17
14.08 ft1959-04-04

Last 7 days

flood stage 10 ft

Past 7 days · 3.67–10.00 ft

Nearby gauges

GaugeDistanceCounty
Pecatonica River near Shirland, Ill5.3 miWinnebago County
Rock River at Latham Park, IL5.7 miWinnebago County
Rock River at Auburn St at Rockford11.2 miWinnebago County
Rock River at Afton, WI11.3 miRock County
Discovery Farms Core Waterwy Ar2 near Janesville, WI11.8 miRock County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast