Missouri River at Fort Benton Mount
USGS Site No: 06090800 • Missouri River • Chouteau County, MT
Missouri River at Fort Benton Mount on the Missouri River is currently at 6,740 cfs (Normal — 71th percentile for this date) . Gage height: 2.65 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for July 29 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 | 3,600 | |
| 25th | Low threshold | 4,240 | |
| 50th (Median) | Normal (median) | 5,210 | |
| 75th | High threshold | 7,040 | Today: 6,740 cfs |
| 95th | Very High threshold | 9,940 |
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 | 5,750 | — |
| May 27, 2026 | 5,340 | — |
| May 26, 2026 | 5,230 | — |
| May 25, 2026 | 5,320 | — |
| May 24, 2026 | 5,650 | — |
| May 23, 2026 | 5,750 | — |
| May 22, 2026 | 5,880 | — |
| May 21, 2026 | 5,980 | — |
| May 20, 2026 | 6,290 | — |
| May 19, 2026 | 6,590 | — |
| May 18, 2026 | 5,990 | — |
| May 17, 2026 | 6,180 | — |
| May 16, 2026 | 7,190 | — |
| May 15, 2026 | 6,710 | — |
| Apr 20, 2026 | 5,610 | — |
| Apr 19, 2026 | 5,820 | — |
| Apr 18, 2026 | 5,770 | — |
| Apr 17, 2026 | 5,790 | — |
| Apr 16, 2026 | 6,070 | — |
| Apr 15, 2026 | 6,050 | — |
| Apr 14, 2026 | 5,720 | — |
| Apr 13, 2026 | 5,560 | — |
| Apr 12, 2026 | 5,310 | — |
| Apr 11, 2026 | 5,190 | — |
| Apr 10, 2026 | 5,280 | — |
| Apr 9, 2026 | 5,380 | — |
| Apr 8, 2026 | 5,390 | — |
| Apr 7, 2026 | 5,570 | — |
| Apr 6, 2026 | 5,590 | — |
| Apr 5, 2026 | 5,660 | — |
Station Information
- USGS Site No
- 06090800
- State
- MT
- County
- Chouteau County
- Coordinates
- 47.8169, -110.6661
- Drainage Area
- 24,297 mi²
- Datum (ft)
- 2,614.1
- HUC Code
- 10030102
Flood Stage Thresholds
- Action Stage
- 13.0 ft
- Flood Stage
- 13.5 ft
- Moderate Flood
- 15.0 ft
- Major Flood
- 17.0 ft
Currently 10.85 ft below flood stage.
Recent Extremes
- Max discharge
-
8,840 cfsMay 21, 2025
- Min discharge
-
2,760 cfsJan 24, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Marias River Near Loma MountNormal9.8 mi · 524 cfs
-
Teton River at Loma MountHigh10.7 mi · 18 cfs
-
Missouri River at Virgelle MountNormal22.9 mi · 6,930 cfs
-
Missouri River Near Great Falls MountNormal24.4 mi · 6,440 cfs
-
Marias River Near Chester MountNormal38.8 mi · 610 cfs