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. Right now, every gauge on the Big Muddy 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 |
|---|---|---|---|---|
| Big Muddy River at Plumfield, IL | No flooding | 2.99 ft | 20 ft | |
| Big Muddy River at Rte 127 at Murphysboro, IL | No flooding | 3.86 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 | 8.06 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.