River gauges›Illinois
RIVER GAUGE · ILLINOIS RIVER

Illinois River at Peoria

Peoria County, Illinois

Water level11.80 ft
Flow5,000 cfs
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action17 ft
Minor flood18 ft
Moderate flood22 ft
Major flood28 ft

The past week

Loading chart…

What floods at each level

Highest crests on record

DateLevelFlow
Apr 23, 201329.35 ft-9,999 cfs
May 22, 194328.8 ft—
Mar 22, 197928.7 ft—

More on Illinois River

Get an alert when Illinois River rises

Save this gauge in the free StormCast app and pick the level that matters to you. Your phone goes off when the water gets there.

A river gauge in the StormCast app

← All Illinois gauges · Search another river