Kaskaskia River at Cooks Mills, IL
River level and flood forecast · Coles County
Normal1.5 ftas of Mon 3 PM
Flow: 20 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Highest crests on record
- 20.41 ft — June 7, 2008
- 19.28 ft — December 29, 2015
- 17.85 ft — May 13, 2002
- 17.3 ft — April 13, 1994
- 17.13 ft — April 19, 2013
Recent crests: 13.41 ft (June 20, 2026) · 10.82 ft (June 14, 2026) · 12.98 ft (April 30, 2026) · 10.2 ft (April 5, 2026) · 10.18 ft (March 8, 2026)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (COKI2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.