North Branch Chicago River at Deerfield, IL
Is North Branch Chicago River at Deerfield, IL flooding right now?
North Branch Chicago River at Deerfield, IL measured 6.17 ft on 2026-09-22 20:55:00 UTC. That observation was 3.3 ft below its 9.5 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
6.17 ft
Streamflow
63 cfs
Minor flooding here begins at 9.5 ft, with major flooding at 13.5 ft. The highest crest on record was 12.75 ft on Thu, Jul 13, 2017.
Streamflow outlook
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 8.5 ft | 2.3 ft below |
| Minor flood | 9.5 ft | 3.3 ft below |
| Moderate flood | 11.5 ft | 5.3 ft below |
| Major flood | 13.5 ft | 7.3 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 12.75 ft | 2017-07-13 |
| 12.1 ft | 2018-09-03 |
| 11.88 ft | 2019-09-13 |
| 11.55 ft | 2001-10-13 |
| 11.52 ft | 1987-08-14 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Skokie River near Highland Park, IL | 1.1 mi | Lake County |
| Wf of Nb Chicago River at Northbrook IL | 1.3 mi | Cook County |
| Wf of Nb Chicago River at Deerfield, IL | 2.2 mi | Lake County |
| Skokie River at Lake Forest, IL | 5.7 mi | Lake County |
| Des Plaines River near Des Plaines, IL | 5.7 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.