River gauges›Illinois
RIVER GAUGE · SOUTH BRANCH KISHWAUKEE RIVER

South Branch Kishwaukee River at De Kalb

De Kalb County, Illinois

Water level2.68 ft
Flow2 cfs
Last readingSep 16, 2026, 4:30 PM UTC (last recorded)
Action8.5 ft
Minor flood10 ft
Moderate flood11 ft
Major flood12.5 ft

The past week

Loading chart…

What floods at each level

Highest crests on record

DateLevelFlow
Jul 1, 198315.8 ft3,500 cfs
Aug 23, 200715.34 ft3,100 cfs
Oct 10, 195415.24 ft—

When the water runs low

More on South Branch Kishwaukee River

Get an alert when South Branch Kishwaukee 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