Is the Illinois River flooding?
The Illinois River is tracked by 2 USGS streamgauges in Arkansas. 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 Illinois River is running normal, rising toward flood stage, or already flooding. Right now, every gauge on the Illinois River is below flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all Arkansas river levels.
| Gauge | Status | Stage | Flood stage | Updated |
|---|---|---|---|---|
| Illinois River at Savoy, AR | No flood stage defined | 2.14 ft | — | |
| Illinois River at Hwy. 16 near Siloam Springs AR | No flood stage defined | 6.40 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.