Is the Big River flooding?
The Big River is tracked by 5 USGS streamgauges in Missouri. 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 River is running normal, rising toward flood stage, or already flooding. Right now, every gauge on the Big River is below flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all Missouri river levels.
| Gauge | Status | Stage | Flood stage | Updated |
|---|---|---|---|---|
| Big River near Richwoods, MO | No flooding | 2.11 ft | 15 ft | |
| Big River at Byrnesville, MO | No flooding | 2.15 ft | 16 ft | |
| Big River at Irondale, MO | No flood stage defined | 0.53 ft | — | |
| Big River below Desloge, MO | No flood stage defined | 4.05 ft | — | |
| Big River below Bonne Terre, MO | No flood stage defined | 2.75 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.