Mountain Fork at Smithville, OK
USGS Site No: 07338750 • Mountain Fork • McCurtain County, OK
Mountain Fork at Smithville, OK on the Mountain Fork is currently at 933 cfs (High — 82th percentile for this date) . Gage height: 8.80 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 | 24 | |
| 25th | Low threshold | 60 | |
| 50th (Median) | Normal (median) | 166 | |
| 75th | High threshold | 391 | |
| 95th | Very High threshold | 1,980 | Today: 933 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 | 1,170 | — |
| May 28, 2026 | 1,790 | — |
| May 27, 2026 | 558 | — |
| May 26, 2026 | 591 | — |
| May 25, 2026 | 991 | — |
| May 24, 2026 | 1,720 | — |
| May 23, 2026 | 1,580 | — |
| May 22, 2026 | 1,290 | — |
| May 21, 2026 | 1,160 | — |
| May 20, 2026 | 3,000 | — |
| May 19, 2026 | 2,630 | — |
| May 18, 2026 | 60 | — |
| May 17, 2026 | 69 | — |
| May 16, 2026 | 79 | — |
| May 15, 2026 | 92 | — |
| Apr 21, 2026 | 125 | — |
| Apr 20, 2026 | 148 | — |
| Apr 19, 2026 | 173 | — |
| Apr 18, 2026 | 192 | — |
| Apr 17, 2026 | 238 | — |
| Apr 16, 2026 | 188 | — |
| Apr 15, 2026 | 127 | — |
| Apr 14, 2026 | 136 | — |
| Apr 13, 2026 | 148 | — |
| Apr 12, 2026 | 163 | — |
| Apr 11, 2026 | 186 | — |
| Apr 10, 2026 | 215 | — |
| Apr 9, 2026 | 259 | — |
| Apr 8, 2026 | 327 | — |
| Apr 7, 2026 | 438 | — |
Station Information
- USGS Site No
- 07338750
- State
- OK
- County
- McCurtain County
- Coordinates
- 34.4623, -94.6352
- Drainage Area
- 322 mi²
- Datum (ft)
- 665.5
- HUC Code
- 11140108
Recent Extremes
- Max discharge
-
5,890 cfsMay 20, 2025
- Min discharge
-
3 cfsAug 25, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Kiamichi River Near Big Cedar, OKHigh12.2 mi · 146 cfs
-
Black Fork Below Big Creek near Page, OKHigh22.6 mi · 209 cfs
-
Cossatot River Near Vandervoort, ARHigh23.4 mi · 212 cfs
-
Gap Creek near Wolf Pen Gap Rec Area near Nunley, ARLow29.0 mi · 1 cfs
-
Mountain Fork Near Eagletown, OKNormal29.1 mi · 712 cfs