Rock River near Joslin, IL

Rock Island County, Illinois · USGS gauge 05446500 · NWS JOSI2 · Rock River flood status · Illinois river levels

Is Rock River near Joslin, IL flooding right now?

Rock River near Joslin, IL measured 11.12 ft on 2026-09-22 20:45:00 UTC. That observation was 0.9 ft below its 12 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
11.12 ft
as of 62 min ago
Streamflow
16,000 cfs
data refreshed 16 min ago

Minor flooding here begins at 12 ft, with major flooding at 16.5 ft. The highest crest on record was 19.24 ft on Fri, Jun 7, 2002.

Flood forecast

flood stage 12 ft

NWS forecast, issued 7 hours ago. Forecasts are issued for select river points and update through the day.

Flood stages at this gauge

CategoryStageCurrent distance
Action11 ft0.1 ft ABOVE
Minor flood12 ft0.9 ft below
Moderate flood14 ft2.9 ft below
Major flood16.5 ft5.4 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
19.24 ft2002-06-07
19.11 ft2013-04-21
18.88 ft1997-02-23
18.73 ft1996-05-31
18.55 ft2000-06-16

Nearby gauges

GaugeDistanceCounty
Green River near Geneseo, IL4.8 miHenry County
Crow Creek at Bettendorf, IA13.9 miScott County
Mississippi River at Clinton, IA15.9 miClinton County
Pheasant Creek at Davenport, IA17.5 miScott County
Duck Creek at DC Golf Course at Davenport, IA17.5 miScott 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