Madison River below Ennis Lake near Mcallister Mount

USGS Site No: 06041000Madison River • Madison County, MT

Madison River below Ennis Lake near Mcallister Mount on the Madison River is currently at 1,440 cfs (Very Low — 9th percentile for this date) . Gage height: 4.10 ft.

Reading from

1,440
CFS Discharge
4.10
Gage Height (ft)
Very Low
Flow Condition
N/A
Flood Status

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 1,560 Today: 1,440 cfs
25th Low threshold 2,200
50th (Median) Normal (median) 3,110
75th High threshold 3,820
95th Very High threshold 5,810

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.

5.5k 2.7k 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 1,220
May 27, 2026 1,150
May 26, 2026 1,150
May 25, 2026 1,160
May 24, 2026 1,160
May 23, 2026 1,150
May 22, 2026 1,150
May 21, 2026 1,150
May 20, 2026 1,210
May 19, 2026 1,280
May 18, 2026 1,320
May 17, 2026 1,380
May 16, 2026 1,520
May 15, 2026 1,890
Apr 20, 2026 1,170
Apr 19, 2026 1,170
Apr 18, 2026 1,170
Apr 17, 2026 1,160
Apr 16, 2026 1,160
Apr 15, 2026 1,160
Apr 14, 2026 1,160
Apr 13, 2026 1,150
Apr 12, 2026 1,160
Apr 11, 2026 1,160
Apr 10, 2026 1,160
Apr 9, 2026 1,160
Apr 8, 2026 1,160
Apr 7, 2026 1,160
Apr 6, 2026 1,160
Apr 5, 2026 1,160

Station Information

USGS Site No
06041000
State
MT
Coordinates
45.4902, -111.6345
Drainage Area
2,213 mi²
Datum (ft)
4,689.0
HUC Code
100200071501
View on USGS NWIS →

Recent Extremes

Max discharge
2,930 cfs
May 12, 2025
Min discharge
1,060 cfs
Aug 18, 2025

Computed from the local daily-values archive.

Nearby Gauges