ILLINOIS FLOW REPORT

Last Updated: April 19, 2026

Streamflow levels across Illinois are currently 124.0% of normal, with the Mississippi River At Thebes reporting the highest discharge in the state with 409000cfs and gauge stage of 27.57 ft. Meanwhile, the East Fork Kaskaskia River Near Sandoval is seeing a spike in streamflows today after experiencing a 668.29% increase since yesterday, and currently running at 315cfs.

Maximum gauge stage in the state was last observed at the Kaskaskia River At New Athens, currently reporting a stage of 71.29ft. The Apple River Near Hanover in the Apple-Plum watershed is surging for this time of year at 1930cfs, about 827.21% of normal.




       

Weather Warnings

April 19 2026