Maximum discharge along the river was observed at the Illinois River At Valley City with a streamflow rate of 6,420 cfs. However, the deepest point on the river is located at the Illinois River At Henry reporting a gauge stage of 14.72 ft. This river is monitored from 12 different streamgauging stations along the Illinois River, the highest being perched at an elevation of 1,202 ft, the Illinois River Near Kerby.
| Location | Streamflow | River Stage | Air Temp | Elevation |
|---|---|---|---|---|
|
Illinois River Near Kerby
USGS 14377100 |
60 cfs | 1.37 ft | ||
|
Illinois River At Savoy
USGS 07194800 |
20 cfs | 2.11 ft | ||
|
Illinois River At Hwy. 16 Near Siloam Springs Ar
USGS 07195400 |
221 cfs | 5.87 ft | ||
|
Illinois River South Of Siloam Springs
USGS 07195430 |
188 cfs | 2.39 ft | ||
|
Illinois River Near Watts
USGS 07195500 |
204 cfs | 2.62 ft | ||
|
Illinois River At Chewey
USGS 07196090 |
239 cfs | 3.01 ft | ||
|
Illinois River Near Tahlequah
USGS 07196500 |
277 cfs | 4.61 ft | ||
|
Illinois River Near Gore
USGS 07198000 |
81 cfs | 6.97 ft | ||
|
Illinois River At Marseilles
USGS 05543500 |
4160 cfs | 11.56 ft | ||
|
Illinois River At Kingston Mines
USGS 05568500 |
0 cfs | 2.55 ft | ||
|
Illinois River At Henry
USGS 05558300 |
4750 cfs | 14.72 ft | ||
|
Illinois River At Valley City
USGS 05586100 |
6420 cfs | 2.48 ft |
| Location | 24hr Change (%) | vs Average (%) | Volatility (%) | Minimum (cfs) | Maximum (cfs) |
|---|---|---|---|---|---|
|
Illinois River Near Kerby
USGS 14377100 |
-1.31 | ||||
|
Illinois River At Savoy
USGS 07194800 |
3.63 | ||||
|
Illinois River At Hwy. 16 Near Siloam Springs Ar
USGS 07195400 |
-1.34 | ||||
|
Illinois River Near Watts
USGS 07195500 |
4.08 | ||||
|
Illinois River Near Gore
USGS 07198000 |
12 | ||||
|
Illinois River At Marseilles
USGS 05543500 |
393.48 | ||||
|
Illinois River At Kingston Mines
USGS 05568500 |
79.05 | ||||
|
Illinois River At Henry
USGS 05558300 |
-1.45 | ||||
|
Illinois River At Valley City
USGS 05586100 |
-34.82 |
| River Run | Status | Streamflow (CFS) | Air Temp (F) |
|---|---|---|---|
|
|
RUNNABLE | 2750 | 51 |
