River stage
Illinois River (AR, OK)
- River level
- Normal
- Status
- Below flood stage
Latest readings 2026-10-13 | NWS · USGS
- Gauges reporting
- 6 of 6
- Above flood stage
- 0
- Above action stage
- 0
- Overall
- Below flood stage
- Publisher
- NWS · USGS
In brief
On Oct 13, 2026, 6 of 6 gauges on the Illinois River (AR, OK) reported, and none was above flood stage.
Source: National Weather Service and USGS gauges
Illinois River levels, gauge by gauge
The Illinois River is measured at 6 gauges across Arkansas, Oklahoma. Flood stages are set per gauge, so the same river is "high" at one town and normal at the next.
Recent levels on the Illinois River
The gauge with the fullest recent record on this river is Chewey, OK, with 122 days of readings.
Other rivers nearby
- Illinois River (CO) different river, same name
- Illinois River (IL) different river, same name
- Illinois River (OR) different river, same name
- Mulberry River 1 gauge
- Kings River (AR) 1 gauge
- Bird Creek 3 gauges
- Spring River (KS, MO, OK) 5 gauges
- Buffalo River (AR) 1 gauge
Frequently asked questions
Is the Illinois River flooding right now?
No. Every one of the 6 reporting gauges on the Illinois River is below flood stage as of 2026-10-13.
How high is the Illinois River?
The river is measured at several points and each reads a different height. Chewey is at 2.21 ft; Gore is at 6.36 ft; Tahlequah is at 4.76 ft; Watts is at 2.17 ft.
Where is the Illinois River measured?
The National Weather Service and USGS operate 6 gauges on the Illinois River across Arkansas, Oklahoma.
What does flood stage mean?
Flood stage is the height at which a river begins to cause problems at that specific location. It is set per gauge, so the same river can be above flood stage in one town and normal a few miles downstream. Action stage is the lower level at which forecasters start watching closely.
River stages and flood categories from the NOAA National Weather Service; daily history from the U.S. Geological Survey. For flood safety decisions always follow official National Weather Service warnings.