Is the Mackinaw River flooding?
The Mackinaw River is tracked by 3 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 Mackinaw River is running normal, rising toward flood stage, or already flooding. 1 of 3 gauges have both a usable water-level reading and a published minor flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all Illinois river levels.
River facts
The longest-running gauge on this river is Mackinaw River near Green Valley, IL. The highest level ever recorded there was 29.18 ft on 31 December 2015, carrying 23,700 cfs. Peak records there go back to 1922 (103 annual peaks). It is currently at 14.14 ft, 15.0 ft below that record.
| Gauge | Status | Stage | Flood stage | Updated |
|---|---|---|---|---|
| Mackinaw River near Congerville, IL | No flooding | 1.37 ft | 13 ft | |
| Mackinaw River near Hudson, IL | No flood stage defined | 12.95 ft | — | |
| Mackinaw River near Green Valley, IL | No flood stage defined | 14.14 ft | — |