Is the Big Muddy River flooding?
The Big Muddy River is tracked by 5 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 Big Muddy River is running normal, rising toward flood stage, or already flooding. 2 of 5 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 Big Muddy River at Plumfield, IL. The highest level ever recorded there was 34.56 ft on 10 May 1961, carrying 42,900 cfs. Peak records there go back to 1909 (115 annual peaks). It is currently at 2.50 ft, 32.1 ft below that record.
| Gauge | Status | Stage | Flood stage | Updated |
|---|---|---|---|---|
| Big Muddy River at Plumfield, IL | No flooding | 2.50 ft | 20 ft | |
| Big Muddy River at Rte 127 at Murphysboro, IL | No flooding | 3.18 ft | 22 ft | |
| Big Muddy River near Mt. Vernon, IL | No current data | — | — | — |
| Big Muddy River at Murphysboro, IL | No current data | — | — | — |
| Big Muddy River below Rend Lake near Benton, IL | No flood stage defined | 7.46 ft | — |