Big Hole River Near Melrose Mount

USGS Site No: 06025500 • Big Hole River • Madison County, MT

Big Hole River Near Melrose Mount on the Big Hole River is currently at 2,620 cfs (Very High — 116th percentile for this date) . Gage height: 3.56 ft.

Reading from

2,620
CFS Discharge
3.56
Gage Height (ft)
Very High
Flow Condition
Normal
Flood Status

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 328
25th Low threshold 398
50th (Median) Normal (median) 500
75th High threshold 614
95th Very High threshold 845

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.

10k 5.2k 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 2,200 —
May 27, 2026 1,900 —
May 26, 2026 1,610 —
May 25, 2026 1,470 —
May 24, 2026 1,470 —
May 23, 2026 1,590 —
May 22, 2026 1,750 —
May 21, 2026 1,870 —
May 20, 2026 2,050 —
May 19, 2026 2,370 —
May 18, 2026 2,700 —
May 17, 2026 2,930 —
May 16, 2026 2,980 —
May 15, 2026 3,210 —
Apr 20, 2026 1,280 —
Apr 19, 2026 1,380 —
Apr 18, 2026 1,500 —
Apr 17, 2026 1,650 —
Apr 16, 2026 1,760 —
Apr 15, 2026 1,890 —
Apr 14, 2026 2,060 —
Apr 13, 2026 2,110 —
Apr 12, 2026 1,950 —
Apr 11, 2026 1,750 —
Apr 10, 2026 1,620 —
Apr 9, 2026 1,540 —
Apr 8, 2026 1,440 —
Apr 7, 2026 1,370 —
Apr 6, 2026 1,330 —
Apr 5, 2026 1,370 —

Station Information

USGS Site No
06025500
State
MT
Coordinates
45.5266, -112.7017
Drainage Area
2,472 mi²
Datum (ft)
5,032.9
HUC Code
10020004
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
5.0 ft
Flood Stage
6.0 ft
Moderate Flood
7.5 ft
Major Flood
8.0 ft

Currently 2.44 ft below flood stage.

Recent Extremes

Max discharge
3,330 cfs
May 14, 2025
Min discharge
131 cfs
Sep 8, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges