Gallatin River Near Gallatin Gateway, Mount

USGS Site No: 06043500Gallatin River • Gallatin County, MT

Gallatin River Near Gallatin Gateway, Mount on the Gallatin River is currently at 2,080 cfs (Low — 20th percentile for this date) . Gage height: 3.28 ft.

Reading from

2,080
CFS Discharge
3.28
Gage Height (ft)
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 1,560
25th Low threshold 2,370 Today: 2,080 cfs
50th (Median) Normal (median) 3,090
75th High threshold 3,880
95th Very High threshold 5,610

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.

5.7k 2.9k 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 2,140
May 27, 2026 1,870
May 26, 2026 1,650
May 25, 2026 1,350
May 24, 2026 1,130
May 23, 2026 1,040
May 22, 2026 1,050
May 21, 2026 1,130
May 20, 2026 1,150
May 19, 2026 1,220
May 18, 2026 1,360
May 17, 2026 1,540
May 16, 2026 1,720
May 15, 2026 1,930
Apr 20, 2026 616
Apr 19, 2026 593
Apr 18, 2026 578
Apr 17, 2026 595
Apr 16, 2026 668
Apr 15, 2026 651
Apr 14, 2026 689
Apr 13, 2026 748
Apr 12, 2026 761
Apr 11, 2026 693
Apr 10, 2026 644
Apr 9, 2026 619
Apr 8, 2026 606
Apr 7, 2026 564
Apr 6, 2026 537
Apr 5, 2026 527

Station Information

USGS Site No
06043500
State
MT
Coordinates
45.4973, -111.2707
Drainage Area
819 mi²
Datum (ft)
5,167.7
HUC Code
10020008
View on USGS NWIS →

Flood Stage Thresholds

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

Currently 2.72 ft below flood stage.

Recent Extremes

Max discharge
4,430 cfs
Jun 2, 2025
Min discharge
223 cfs
Jan 24, 2026
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges