Active Normal USGS

Des Plaines River Near Lemont, IL

Updated August 3, 2026 at 01:00:00 PM CDT · ProvisionalUSGS real-time data that has not finished review. Values can be revised, corrected, or removed after approval. · Site 05533600

Current conditions

Historical trends

Hourly measurements

Detailed readings by hour, organized by day

Nearby stations

Other monitoring locations nearby

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Data courtesy of the U.S. Geological Survey.