ILLINOIS FLOW REPORT

Last Updated: May 9, 2026

Streamflow levels across Illinois are currently 85.0% of normal, with the Mississippi River At Thebes reporting the highest discharge in the state with 376000cfs and gauge stage of 26.35 ft. Meanwhile, the Richland Creek Near Hecker is seeing a spike in streamflows today after experiencing a 553.94% increase since yesterday, and currently running at 565cfs.

Maximum gauge stage in the state was last observed at the Kaskaskia River At New Athens, currently reporting a stage of 71.56ft. The Skillet Fork At Wayne City in the Skillet watershed is surging for this time of year at 553cfs, about 71.95% of normal.




       

Weather Warnings

May 9 2026

Residents in Illinois should remain vigilant as multiple Flood Warnings are in effect for various rivers following significant rainfall. The Wabash River is experiencing minor flooding from Hutsonville to Mount Carmel, with forecasts indicating further rises. The Illinois River near Havana and Beardstown is also facing minor flooding, particularly affecting agricultural areas. The Kaskaskia River at Carlyle is expected to rise above flood stage, impacting township roads. Key areas like Riverton and Palestine may see flooded roads and agricultural lands. All residents are urged to stay informed and prepared for potential evacuations or road closures.


       
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