Is the Fox River flooding?
The Fox River is tracked by 9 USGS streamgauges in Illinois. This page compares each gauge’s live water level against its official National Weather Service flood stage, refreshed every 15 minutes, so you can tell whether the Fox River is running normal, rising toward flood stage, or already flooding. Right now, every gauge on the Fox River is below flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all Illinois river levels.
| Gauge | Status | Stage | Flood stage | Updated |
|---|---|---|---|---|
| Fox River at Johnsburg, IL | No flooding | 4.10 ft | 6.5 ft | |
| Fox River at Algonquin, IL | No flooding | 1.46 ft | 3 ft | |
| Fox River at South Elgin, IL | No flooding | 12.29 ft | 14.5 ft | |
| Fox River at Montgomery, IL | No flooding | 11.29 ft | 13.5 ft | |
| Fox River at Yorkville, IL | No flooding | 12.65 ft | 15.5 ft | |
| Fox River at Dayton, IL | No flooding | 6.18 ft | 12 ft | |
| Fox River at Miller Bridge near Mchenry, IL | No current data | — | — | — |
| Fox River near Mchenry, IL | No flood stage defined | 4.19 ft | — | |
| Fox River at South Elgin, Il (Tailwater) | No flood stage defined | 6.21 ft | — |
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.