River gauges›Illinois
RIVER GAUGE · ROCK RIVER

Rock River near Joslin

Rock Island County, Illinois

Water level4.95 ft
Flow3,610 cfs
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action11 ft
Minor flood12 ft
Moderate flood14 ft
Major flood16.5 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
Jun 6, 200219.24 ft47,700 cfs
Apr 21, 201319.11 ft47,000 cfs
Feb 22, 199718.88 ft41,000 cfs

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