River gauges›Illinois
RIVER GAUGE · VERMILION RIVER (N-IL)

Vermilion River (N-IL) near Leonore

La Salle County, Illinois

Water level3.24 ft
Flow18 cfs
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action15.5 ft
Minor flood16 ft
Moderate flood21 ft
Major flood26 ft

The past week

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What floods at each level

Highest crests on record

DateLevelFlow
Apr 17, 201330.25 ft38,900 cfs
Dec 3, 198227.13 ft31,800 cfs
Jan 8, 200825.22 ft26,900 cfs

When the water runs low

More on Vermilion River (N-IL)

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