Missouri River Near Culbertson Mount
USGS Site No: 06185500 • Missouri River • Richland County, MT
Missouri River Near Culbertson Mount on the Missouri River is currently at 6,580 cfs (Low — 10th percentile for this date) . Gage height: 2.93 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 | 6,560 | |
| 25th | Low threshold | 7,920 | Today: 6,580 cfs |
| 50th (Median) | Normal (median) | 9,350 | |
| 75th | High threshold | 12,500 | |
| 95th | Very High threshold | 23,600 |
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 | 6,590 | — |
| May 27, 2026 | 6,650 | — |
| May 26, 2026 | 6,640 | — |
| May 25, 2026 | 6,450 | — |
| May 24, 2026 | 6,220 | — |
| May 23, 2026 | 6,250 | — |
| May 22, 2026 | 6,290 | — |
| May 21, 2026 | 6,300 | — |
| May 20, 2026 | 6,270 | — |
| May 19, 2026 | 5,860 | — |
| May 18, 2026 | 5,110 | — |
| May 17, 2026 | 5,020 | — |
| May 16, 2026 | 5,180 | — |
| May 15, 2026 | 5,030 | — |
| Apr 20, 2026 | 5,260 | — |
| Apr 19, 2026 | 5,380 | — |
| Apr 18, 2026 | 5,300 | — |
| Apr 17, 2026 | 5,240 | — |
| Apr 16, 2026 | 5,240 | — |
| Apr 15, 2026 | 5,170 | — |
| Apr 14, 2026 | 5,340 | — |
| Apr 13, 2026 | 5,380 | — |
| Apr 12, 2026 | 5,350 | — |
| Apr 11, 2026 | 5,340 | — |
| Apr 10, 2026 | 5,340 | — |
| Apr 9, 2026 | 5,420 | — |
| Apr 8, 2026 | 5,460 | — |
| Apr 7, 2026 | 5,500 | — |
| Apr 6, 2026 | 5,530 | — |
| Apr 5, 2026 | 5,550 | — |
Station Information
- USGS Site No
- 06185500
- State
- MT
- County
- Richland County
- Coordinates
- 48.1235, -104.4733
- Drainage Area
- 89,858 mi²
- Datum (ft)
- 1,885.1
- HUC Code
- 10060005
Flood Stage Thresholds
- Action Stage
- 17.0 ft
- Flood Stage
- 19.0 ft
- Moderate Flood
- 21.0 ft
- Major Flood
- 25.0 ft
Currently 16.07 ft below flood stage.
Recent Extremes
- Max discharge
-
9,930 cfsMay 29, 2025
- Min discharge
-
4,120 cfsNov 15, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Big Muddy Creek near Mouth near Culbertson MountLow7.7 mi · 1 cfs
-
Poplar River Near Poplar MountLow33.2 mi · 26 cfs
-
Yellowstone River Near Sidney MountVery Low34.2 mi · 8,000 cfs
-
Missouri River near Williston, NDUnknown35.0 mi · 0 cfs
-
Big Muddy Creek Near Antelope MountLow38.0 mi · 2 cfs