Illinois River Near Tahlequah, OK
USGS Site No: 07196500 • Illinois River • Cherokee County, OK
Illinois River Near Tahlequah, OK on the Illinois River is currently at 867 cfs (High — 77th percentile for this date) . Gage height: 5.86 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 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 | 98 | |
| 25th | Low threshold | 175 | |
| 50th (Median) | Normal (median) | 280 | |
| 75th | High threshold | 600 | |
| 95th | Very High threshold | 2,800 | Today: 867 cfs |
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) |
|---|---|---|
| May 29, 2026 | 865 | — |
| May 28, 2026 | 889 | — |
| May 27, 2026 | 898 | — |
| May 26, 2026 | 1,050 | — |
| May 25, 2026 | 1,300 | — |
| May 24, 2026 | 1,620 | — |
| May 23, 2026 | 2,390 | — |
| May 22, 2026 | 1,450 | — |
| May 21, 2026 | 1,110 | — |
| May 20, 2026 | 654 | — |
| May 19, 2026 | 570 | — |
| May 18, 2026 | 556 | — |
| May 17, 2026 | 573 | — |
| May 16, 2026 | 603 | — |
| May 15, 2026 | 644 | — |
| Apr 21, 2026 | 1,580 | — |
| Apr 20, 2026 | 2,100 | — |
| Apr 19, 2026 | 2,520 | — |
| Apr 18, 2026 | 2,290 | — |
| Apr 17, 2026 | 2,750 | — |
| Apr 16, 2026 | 3,250 | — |
| Apr 15, 2026 | 1,050 | — |
| Apr 14, 2026 | 620 | — |
| Apr 13, 2026 | 673 | — |
| Apr 12, 2026 | 723 | — |
| Apr 11, 2026 | 786 | — |
| Apr 10, 2026 | 879 | — |
| Apr 9, 2026 | 1,020 | — |
| Apr 8, 2026 | 1,230 | — |
| Apr 7, 2026 | 1,590 | — |
Station Information
- USGS Site No
- 07196500
- State
- OK
- County
- Cherokee County
- Coordinates
- 35.9255, -94.9217
- Drainage Area
- 950 mi²
- Datum (ft)
- 665.1
- HUC Code
- 11110103
Flood Stage Thresholds
- Action Stage
- 9.0 ft
- Flood Stage
- 11.0 ft
- Moderate Flood
- 14.0 ft
- Major Flood
- 18.0 ft
Currently 5.14 ft below flood stage.
Recent Extremes
- Max discharge
-
18,600 cfsJun 8, 2025
- Min discharge
-
347 cfsJan 20, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Baron Fork at Eldon, OKNormal4.7 mi · 98 cfs
-
Caney Creek Near Barber, OKNormal10.4 mi · 18 cfs
-
Illinois River at Chewey, OKVery High14.6 mi · 688 cfs
-
Flint Creek Near Kansas, OKNormal21.7 mi · 60 cfs
-
Arkansas River Near Muskogee, OKHigh23.6 mi · 33,000 cfs