Jefferson River Near Twin Bridges, Mount
USGS Site No: 06026500 • Jefferson River • Madison County, MT
Jefferson River Near Twin Bridges, Mount on the Jefferson River is currently at 2,380 cfs (Very High — 97th percentile for this date) . Gage height: 5.04 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 | 906 | |
| 25th | Low threshold | 996 | |
| 50th (Median) | Normal (median) | 1,270 | |
| 75th | High threshold | 1,580 | |
| 95th | Very High threshold | 1,950 |
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 | 2,060 | — |
| May 27, 2026 | 1,780 | — |
| May 26, 2026 | 1,580 | — |
| May 25, 2026 | 1,510 | — |
| May 24, 2026 | 1,590 | — |
| May 23, 2026 | 1,730 | — |
| May 22, 2026 | 1,850 | — |
| May 21, 2026 | 1,980 | — |
| May 20, 2026 | 2,220 | — |
| May 19, 2026 | 2,480 | — |
| May 18, 2026 | 2,760 | — |
| May 17, 2026 | 2,820 | — |
| May 16, 2026 | 2,900 | — |
| May 15, 2026 | 2,990 | — |
| Apr 20, 2026 | 1,540 | — |
| Apr 19, 2026 | 1,690 | — |
| Apr 18, 2026 | 1,810 | — |
| Apr 17, 2026 | 1,900 | — |
| Apr 16, 2026 | 2,020 | — |
| Apr 15, 2026 | 2,120 | — |
| Apr 14, 2026 | 2,240 | — |
| Apr 13, 2026 | 2,220 | — |
| Apr 12, 2026 | 2,070 | — |
| Apr 11, 2026 | 1,880 | — |
| Apr 10, 2026 | 1,770 | — |
| Apr 9, 2026 | 1,690 | — |
| Apr 8, 2026 | 1,630 | — |
| Apr 7, 2026 | 1,600 | — |
| Apr 6, 2026 | 1,630 | — |
| Apr 5, 2026 | 1,690 | — |
Station Information
- USGS Site No
- 06026500
- State
- MT
- County
- Madison County
- Coordinates
- 45.6133, -112.3294
- Drainage Area
- 7,616 mi²
- Datum (ft)
- 4,561.5
- HUC Code
- 100200050102
Flood Stage Thresholds
- Action Stage
- 9.0 ft
- Flood Stage
- 10.0 ft
- Moderate Flood
- 11.0 ft
- Major Flood
- 12.0 ft
Currently 4.96 ft below flood stage.
Recent Extremes
- Max discharge
-
4,350 cfsMay 15, 2025
- Min discharge
-
258 cfsAug 20, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Beaverhead River at Twin Bridges, MountVery High4.6 mi · 175 cfs
-
Big Hole River below Hamilton Ditch near Twin Bridges, MountVery High4.6 mi · 2,120 cfs
-
Ruby River Near Twin Bridges MountVery Low7.4 mi · 20 cfs
-
Jefferson River at Parsons Bdg near Silver Star, MountUnknown11.5 mi · 0 cfs
-
Big Hole River Near Glen MountVery High16.2 mi · 2,520 cfs