Des Plaines River at Lyons, IL
Is Des Plaines River at Lyons, IL flooding right now?
Des Plaines River at Lyons, IL measured 9.87 ft on 2026-11-11 15:00:00 UTC. That observation was 8.1 ft below its 18 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
9.87 ft
Streamflow
—
Minor flooding here begins at 18 ft, with major flooding at 22 ft. The highest crest on record was 22.87 ft on Thu, Apr 18, 2013.
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 16 ft | 6.1 ft below |
| Minor flood | 18 ft | 8.1 ft below |
| Moderate flood | 19 ft | 9.1 ft below |
| Major flood | 22 ft | 12.1 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 22.87 ft | 2013-04-18 |
| 22.71 ft | 2020-05-18 |
| 20.75 ft | 2017-10-15 |
| 20.09 ft | 2019-05-01 |
| 19.81 ft | 2017-07-22 |
Last 7 days
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Summit Conduit at Summit, IL | 0.6 mi | Cook County |
| Summit Conduit Outfall at Summit, IL | 0.7 mi | Cook County |
| Des Plaines River at Riverside, IL | 1.2 mi | Cook County |
| Chicago Sanitary and Ship Canal at Stickney, IL | 3.1 mi | Cook County |
| Salt Creek at Brookfield, IL | 3.5 mi | Cook County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.