Big Muddy Creek Near Antelope Mount
USGS Site No: 06183450 • Big Muddy Creek • Sheridan County, MT
Big Muddy Creek Near Antelope Mount on the Big Muddy Creek is currently at 2 cfs (Low — 11th percentile for this date) . Gage height: 1.43 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 | 1 | |
| 25th | Low threshold | 5 | Today: 2 cfs |
| 50th (Median) | Normal (median) | 11 | |
| 75th | High threshold | 34 | |
| 95th | Very High threshold | 162 |
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 | — |
| May 27, 2026 | 4 | — |
| May 26, 2026 | 7 | — |
| May 25, 2026 | 7 | — |
| May 24, 2026 | 7 | — |
| May 23, 2026 | 9 | — |
| May 22, 2026 | 8 | — |
| May 21, 2026 | 8 | — |
| May 20, 2026 | 9 | — |
| May 19, 2026 | 9 | — |
| May 18, 2026 | 9 | — |
| May 17, 2026 | 7 | — |
| May 16, 2026 | 8 | — |
| May 15, 2026 | 10 | — |
| Apr 20, 2026 | 24 | — |
| Apr 19, 2026 | 24 | — |
| Apr 18, 2026 | 21 | — |
| Apr 17, 2026 | 13 | — |
| Apr 16, 2026 | 14 | — |
| Apr 15, 2026 | 4 | — |
| Apr 14, 2026 | 6 | — |
| Apr 13, 2026 | 5 | — |
| Apr 12, 2026 | 7 | — |
| Apr 8, 2026 | 28 | — |
| Apr 7, 2026 | 29 | — |
| Apr 6, 2026 | 31 | — |
| Apr 5, 2026 | 48 | — |
| Apr 4, 2026 | 54 | — |
| Apr 3, 2026 | 54 | — |
| Apr 2, 2026 | 51 | — |
Station Information
- USGS Site No
- 06183450
- State
- MT
- County
- Sheridan County
- Coordinates
- 48.6729, -104.5121
- Drainage Area
- 955 mi²
- Datum (ft)
- 2,000.0
- HUC Code
- 10060006
Flood Stage Thresholds
- Action Stage
- 10.0 ft
- Flood Stage
- 12.0 ft
Currently 10.57 ft below flood stage.
Recent Extremes
- Max discharge
-
113 cfsSep 16, 2025
- Min discharge
-
0 cfsOct 8, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Big Muddy Creek near Mouth near Culbertson MountLow35.5 mi · 1 cfs
-
Missouri River Near Culbertson MountLow38.0 mi · 6,580 cfs
-
Poplar River Near Poplar MountLow49.5 mi · 26 cfs
-
Little Muddy River below Cow Creek near Williston, NDNormal50.7 mi · 16 cfs
-
Missouri River near Williston, NDUnknown53.5 mi · 0 cfs