Blackfoot River Near Bonner Mount
USGS Site No: 12340000 • Blackfoot River • Missoula County, MT
Blackfoot River Near Bonner Mount on the Blackfoot River is currently at 6,540 cfs (High — 76th percentile for this date) . Gage height: 6.06 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 | 2,210 | |
| 25th | Low threshold | 3,350 | |
| 50th (Median) | Normal (median) | 4,740 | |
| 75th | High threshold | 6,390 | |
| 95th | Very High threshold | 10,700 | Today: 6,540 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 28, 2026 | 5,460 | — |
| May 27, 2026 | 4,540 | — |
| May 26, 2026 | 3,860 | — |
| May 25, 2026 | 3,380 | — |
| May 24, 2026 | 3,170 | — |
| May 23, 2026 | 3,220 | — |
| May 22, 2026 | 3,430 | — |
| May 21, 2026 | 3,660 | — |
| May 20, 2026 | 3,750 | — |
| May 19, 2026 | 4,050 | — |
| May 18, 2026 | 4,510 | — |
| May 17, 2026 | 5,050 | — |
| May 16, 2026 | 5,690 | — |
| May 15, 2026 | 6,460 | — |
| Apr 20, 2026 | 3,640 | — |
| Apr 19, 2026 | 3,820 | — |
| Apr 18, 2026 | 4,100 | — |
| Apr 17, 2026 | 4,410 | — |
| Apr 16, 2026 | 4,700 | — |
| Apr 15, 2026 | 4,810 | — |
| Apr 14, 2026 | 4,890 | — |
| Apr 13, 2026 | 4,720 | — |
| Apr 12, 2026 | 4,270 | — |
| Apr 11, 2026 | 3,920 | — |
| Apr 10, 2026 | 3,780 | — |
| Apr 9, 2026 | 3,690 | — |
| Apr 8, 2026 | 3,550 | — |
| Apr 7, 2026 | 3,340 | — |
| Apr 6, 2026 | 3,270 | — |
| Apr 5, 2026 | 3,350 | — |
Station Information
- USGS Site No
- 12340000
- State
- MT
- County
- Missoula County
- Coordinates
- 46.8994, -113.7563
- Drainage Area
- 2,287 mi²
- Datum (ft)
- 3,344.8
- HUC Code
- 17010203
Flood Stage Thresholds
- Action Stage
- 9.5 ft
- Flood Stage
- 10.0 ft
- Moderate Flood
- 16.0 ft
- Major Flood
- 17.0 ft
Currently 3.94 ft below flood stage.
Recent Extremes
- Max discharge
-
6,460 cfsMay 15, 2026
- Min discharge
-
343 cfsSep 28, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Clark Fork at Turah Bridge near Bonner MountNormal5.8 mi · 2,400 cfs
-
Clark Fork Above Missoula MountNormal8.4 mi · 8,690 cfs
-
Rock Creek Near Clinton MountNormal12.7 mi · 1,750 cfs
-
Bitterroot River Near Missoula MountHigh14.9 mi · 11,400 cfs
-
Clark Fork Below Missoula MountNormal17.7 mi · 19,300 cfs