Tongue River at Miles City, Mount
USGS Site No: 06308500 • Tongue River • Custer County, MT
Tongue River at Miles City, Mount on the Tongue River is currently at 18 cfs (Very Low — 2th percentile for this date) . Gage height: 1.04 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 | 93 | Today: 18 cfs |
| 25th | Low threshold | 150 | |
| 50th (Median) | Normal (median) | 222 | |
| 75th | High threshold | 310 | |
| 95th | Very High threshold | 549 |
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 | 22 | — |
| May 27, 2026 | 30 | — |
| May 26, 2026 | 34 | — |
| May 25, 2026 | 34 | — |
| May 24, 2026 | 49 | — |
| May 23, 2026 | 64 | — |
| May 22, 2026 | 20 | — |
| May 21, 2026 | 20 | — |
| May 20, 2026 | 15 | — |
| May 19, 2026 | 15 | — |
| May 18, 2026 | 21 | — |
| May 17, 2026 | 15 | — |
| May 16, 2026 | 11 | — |
| May 15, 2026 | 12 | — |
| Apr 20, 2026 | 116 | — |
| Apr 19, 2026 | 116 | — |
| Apr 18, 2026 | 120 | — |
| Apr 17, 2026 | 126 | — |
| Apr 16, 2026 | 144 | — |
| Apr 15, 2026 | 193 | — |
| Apr 14, 2026 | 134 | — |
| Apr 13, 2026 | 121 | — |
| Apr 10, 2026 | 120 | — |
| Apr 9, 2026 | 124 | — |
| Apr 8, 2026 | 135 | — |
| Apr 7, 2026 | 149 | — |
| Apr 6, 2026 | 142 | — |
| Apr 5, 2026 | 147 | — |
| Apr 4, 2026 | 135 | — |
| Apr 3, 2026 | 125 | — |
Station Information
- USGS Site No
- 06308500
- State
- MT
- County
- Custer County
- Coordinates
- 46.3846, -105.8455
- Drainage Area
- 5,405 mi²
- Datum (ft)
- 2,351.4
- HUC Code
- 10090102
Flood Stage Thresholds
- Flood Stage
- 10.0 ft
- Moderate Flood
- 13.0 ft
- Major Flood
- 15.0 ft
Currently 8.96 ft below flood stage.
Recent Extremes
- Max discharge
-
1,730 cfsJun 6, 2025
- Min discharge
-
11 cfsMay 16, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Yellowstone River at Miles City, MountVery High2.6 mi · 15,600 cfs
-
Powder River Near Locate MountVery Low25.7 mi · 5 cfs
-
Yellowstone River at Forsyth MountVery High41.2 mi · 19,000 cfs
-
Tongue River below Brandenberg Bridge near Ashland MountNormal41.7 mi · 201 cfs
-
Rosebud C Bel Lame Deer C near Lame Deer MountNormal63.9 mi · 14 cfs