Madison River at Ennis, Mount
USGS Site No: 06040050 • Madison River • Madison County, MT
Madison River at Ennis, Mount on the Madison River is currently at 1,460 cfs (Very High — 95th percentile for this date) . Gage height: 4.75 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 | 0 | |
| 25th | Low threshold | 0 | |
| 50th (Median) | Normal (median) | 1,220 | |
| 75th | High threshold | 0 | |
| 95th | Very High threshold | 0 |
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 | 1,380 | — |
| May 27, 2026 | 1,270 | — |
| May 26, 2026 | 1,150 | — |
| May 25, 2026 | 979 | — |
| May 21, 2026 | 905 | — |
| May 20, 2026 | 901 | — |
| May 19, 2026 | 933 | — |
| May 18, 2026 | 1,050 | — |
| May 17, 2026 | 1,190 | — |
| May 16, 2026 | 1,400 | — |
| May 15, 2026 | 1,630 | — |
| Apr 20, 2026 | 1,020 | — |
| Apr 19, 2026 | 1,030 | — |
| Apr 18, 2026 | 1,030 | — |
| Apr 17, 2026 | 1,060 | — |
| Apr 16, 2026 | 1,110 | — |
| Apr 15, 2026 | 1,070 | — |
| Apr 14, 2026 | 1,120 | — |
| Apr 13, 2026 | 1,200 | — |
| Apr 12, 2026 | 1,220 | — |
| Apr 11, 2026 | 1,120 | — |
| Apr 10, 2026 | 1,070 | — |
| Apr 9, 2026 | 1,050 | — |
| Apr 8, 2026 | 1,040 | — |
| Apr 7, 2026 | 1,020 | — |
| Apr 6, 2026 | 1,020 | — |
| Apr 5, 2026 | 1,010 | — |
| Apr 4, 2026 | 1,030 | — |
| Apr 3, 2026 | 1,070 | — |
| Apr 2, 2026 | 1,070 | — |
Station Information
- USGS Site No
- 06040050
- State
- MT
- County
- Madison County
- Coordinates
- 45.3476, -111.7225
- Drainage Area
- 1,722 mi²
- Datum (ft)
- 4,931.0
- HUC Code
- 100200071205
Recent Extremes
- Max discharge
-
1,630 cfsMay 15, 2026
- Min discharge
-
891 cfsNov 30, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Madison River Near Cameron MountNormal8.0 mi · 1,300 cfs
-
Madison River above Powerplant near Mcallister MountNormal10.5 mi · 244 cfs
-
Madison River below Ennis Lake near Mcallister MountNormal10.7 mi · 1,440 cfs
-
Madison River Near Norris MountUnknown19.4 mi · 1,440 cfs
-
Ruby River Below Reservoir Near Alder, MountNormal20.3 mi · 329 cfs