Yellowstone River at Miles City, Mount

USGS Site No: 06309000Yellowstone River • Custer County, MT

Yellowstone River at Miles City, Mount on the Yellowstone River is currently at 15,600 cfs (Very Low — 8th percentile for this date) . Gage height: 5.44 ft.

Reading from

15,600
CFS Discharge
5.44
Gage Height (ft)
Very Low
Flow Condition
Normal
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 20,200 Today: 15,600 cfs
25th Low threshold 27,700
50th (Median) Normal (median) 35,900
75th High threshold 45,700
95th Very High threshold 64,100

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.

55k 27k 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 11,400
May 27, 2026 9,400
May 26, 2026 9,220
May 25, 2026 9,800
May 24, 2026 10,400
May 23, 2026 10,700
May 22, 2026 10,800
May 21, 2026 11,700
May 20, 2026 12,800
May 19, 2026 14,400
May 18, 2026 16,000
May 17, 2026 18,500
May 16, 2026 17,900
May 15, 2026 14,400
Apr 20, 2026 8,000
Apr 19, 2026 8,270
Apr 18, 2026 8,580
Apr 17, 2026 9,000
Apr 16, 2026 9,520
Apr 15, 2026 9,660
Apr 14, 2026 9,190
Apr 13, 2026 8,760
Apr 12, 2026 8,450
Apr 11, 2026 8,110
Apr 10, 2026 7,780
Apr 9, 2026 7,730
Apr 8, 2026 7,900
Apr 7, 2026 8,300
Apr 6, 2026 8,850
Apr 5, 2026 8,710

Station Information

USGS Site No
06309000
State
MT
County
Custer County
Coordinates
46.4208, -105.8600
Drainage Area
48,288 mi²
Datum (ft)
2,333.3
HUC Code
10100001
View on USGS NWIS →

Flood Stage Thresholds

Flood Stage
14.0 ft

Currently 8.56 ft below flood stage.

Recent Extremes

Max discharge
43,400 cfs
Jun 4, 2025
Min discharge
1,860 cfs
Jan 26, 2026
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges