Missouri River below Hauser Dam Near Helena Mount

USGS Site No: 06065500 • Missouri River • Lewis and Clark County, MT

Missouri River below Hauser Dam Near Helena Mount on the Missouri River is currently at 3,350 cfs (Normal — 38th percentile for this date) . Gage height: 3.34 ft.

Reading from

3,350
CFS Discharge
3.34
Gage Height (ft)
Normal
Flow Condition
N/A
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 2,710
25th Low threshold 3,100
50th (Median) Normal (median) 3,580 Today: 3,350 cfs
75th High threshold 4,220
95th Very High threshold 5,490

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.

19k 9.7k 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 3,310 —
May 27, 2026 3,340 —
May 26, 2026 3,320 —
May 25, 2026 3,260 —
May 24, 2026 3,230 —
May 23, 2026 3,360 —
May 22, 2026 3,370 —
May 21, 2026 3,350 —
May 20, 2026 3,350 —
May 19, 2026 3,290 —
May 18, 2026 3,270 —
May 17, 2026 3,340 —
May 16, 2026 3,330 —
May 15, 2026 3,310 —
Apr 20, 2026 3,310 —
Apr 19, 2026 3,260 —
Apr 18, 2026 3,270 —
Apr 17, 2026 3,240 —
Apr 16, 2026 3,190 —
Apr 15, 2026 3,120 —
Apr 14, 2026 3,130 —
Apr 13, 2026 3,280 —
Apr 12, 2026 3,190 —
Apr 11, 2026 3,180 —
Apr 10, 2026 3,230 —
Apr 9, 2026 3,230 —
Apr 8, 2026 3,220 —
Apr 7, 2026 3,320 —
Apr 6, 2026 3,350 —
Apr 5, 2026 3,310 —

Station Information

USGS Site No
06065500
State
MT
Coordinates
46.7662, -111.8888
Drainage Area
16,669 mi²
Datum (ft)
3,580.0
HUC Code
10030101
View on USGS NWIS →

Recent Extremes

Max discharge
5,850 cfs
May 24, 2025
Min discharge
2,790 cfs
Oct 23, 2025

Computed from the local daily-values archive.

Nearby Gauges