River gauges›Illinois
RIVER GAUGE · ROCK RIVER

Rock River at Dixon

Lee County, Illinois

Water level8.37 ft
Flow3,900 cfs
Last readingSep 16, 2026, 4:15 PM UTC (last recorded)
Action13 ft
Minor flood16 ft
Moderate flood18 ft
Major flood20 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
Apr 19, 197320.5 ft—
Jul 1, 199619 ft—
Mar 24, 197518.5 ft—

When the water runs low

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