Illinois River South Of Siloam Springs, AR
USGS Site No: 07195430 • Illinois River South • Benton County, AR
Illinois River South Of Siloam Springs, AR on the Illinois River South is currently at 584 cfs (Normal — 56th percentile for this date) . Gage height: 3.51 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 192 | |
| 25th | Low threshold | 259 | |
| 50th (Median) | Normal (median) | 504 | |
| 75th | High threshold | 814 | Today: 584 cfs |
| 95th | Very High threshold | 1,690 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| Sep 30, 2025 | 601 | — |
| Sep 29, 2025 | 642 | — |
| Sep 28, 2025 | 752 | — |
| Sep 27, 2025 | 919 | — |
| Sep 26, 2025 | 1,230 | — |
| Sep 25, 2025 | 1,860 | — |
| Sep 24, 2025 | 7,540 | — |
| Sep 23, 2025 | 2,350 | — |
| Sep 22, 2025 | 3,150 | — |
| Sep 21, 2025 | 4,550 | — |
| Sep 20, 2025 | 486 | — |
| Sep 19, 2025 | 474 | — |
| Sep 18, 2025 | 237 | — |
| Sep 17, 2025 | 240 | — |
| Sep 16, 2025 | 238 | — |
| Sep 15, 2025 | 239 | — |
| Sep 14, 2025 | 244 | — |
| Sep 13, 2025 | 253 | — |
| Sep 12, 2025 | 267 | — |
| Sep 11, 2025 | 277 | — |
| Sep 10, 2025 | 282 | — |
| Sep 9, 2025 | 289 | — |
| Sep 8, 2025 | 299 | — |
| Sep 7, 2025 | 316 | — |
| Sep 6, 2025 | 361 | — |
| Sep 5, 2025 | 396 | — |
| Sep 4, 2025 | 439 | — |
| Sep 3, 2025 | 504 | — |
| Sep 2, 2025 | 623 | — |
| Sep 1, 2025 | 652 | — |
Station Information
- USGS Site No
- 07195430
- State
- AR
- County
- Benton County
- Coordinates
- 36.1086, -94.5333
- Drainage Area
- 575 mi²
- Datum (ft)
- 913.1
- HUC Code
- 11110103
Recent Extremes
- Max discharge
-
12,700 cfsJun 7, 2025
- Min discharge
-
237 cfsSep 18, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Illinois River Near Watts, OKNormal2.6 mi · 614 cfs
-
Illinois River at Highway. 16 Near Siloam Springs ARNormal3.3 mi · 462 cfs
-
Sager Creek Near West Siloam Springs, OKNormal7.6 mi · 13 cfs
-
Flint Creek Near West Siloam Springs, OKVery Low8.4 mi · 14 cfs
-
Illinois River at Savoy, ARNormal10.6 mi · 125 cfs