Fox River at Johnsburg, IL
Is Fox River at Johnsburg, IL flooding right now?
Fox River at Johnsburg, IL measured 3.40 ft on 2026-11-11 15:45:00 UTC. That observation was 3.1 ft below its 6.5 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
3.40 ft
Streamflow
—
Minor flooding here begins at 6.5 ft, with major flooding at 7.5 ft. The highest crest on record was 8.9 ft on Mon, Jul 4, 1938.
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 6 ft | 2.6 ft below |
| Minor flood | 6.5 ft | 3.1 ft below |
| Moderate flood | 7 ft | 3.6 ft below |
| Major flood | 7.5 ft | 4.1 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 8.9 ft | 1938-07-04 |
| 7.55 ft | 1960-04-06 |
| 7.47 ft | 2013-04-22 |
| 7.37 ft | 2017-07-17 |
| 7.1 ft | 1986-10-03 |
Last 7 days
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Fox River at Miller Bridge near Mchenry, IL | 3.7 mi | McHenry County |
| Fox River near Mchenry, IL | 4.6 mi | McHenry County |
| Nippersink Creek near Spring Grove, IL | 4.7 mi | McHenry County |
| Fox River (Tailwater) near Mchenry, IL | 4.7 mi | McHenry County |
| Boone Creek near Mc Henry, IL | 5.4 mi | McHenry 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.