North F Flathead River near Columbia Falls Mount

USGS Site No: 12355500 • Flathead River • Flathead County, MT

North F Flathead River near Columbia Falls Mount on the Flathead River is currently at 14,900 cfs (Very High — 130th percentile for this date) . Gage height: 8.11 ft.

Reading from

14,900
CFS Discharge
8.11
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 648
25th Low threshold 722
50th (Median) Normal (median) 939
75th High threshold 1,240
95th Very High threshold 3,330

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.

24k 12k 0 cfs Apr 4 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 13,400 —
May 27, 2026 11,600 —
May 26, 2026 9,860 —
May 25, 2026 8,450 —
May 24, 2026 7,100 —
May 23, 2026 6,460 —
May 22, 2026 6,320 —
May 21, 2026 6,660 —
May 20, 2026 6,880 —
May 19, 2026 7,290 —
May 18, 2026 8,130 —
May 16, 2026 10,700 —
May 15, 2026 12,600 —
Apr 20, 2026 4,200 —
Apr 19, 2026 4,310 —
Apr 18, 2026 4,570 —
Apr 17, 2026 4,920 —
Apr 16, 2026 5,430 —
Apr 15, 2026 5,400 —
Apr 14, 2026 4,990 —
Apr 13, 2026 4,600 —
Apr 12, 2026 4,340 —
Apr 11, 2026 4,110 —
Apr 10, 2026 3,960 —
Apr 9, 2026 3,960 —
Apr 8, 2026 3,890 —
Apr 7, 2026 3,610 —
Apr 6, 2026 3,450 —
Apr 5, 2026 3,490 —
Apr 4, 2026 3,650 —

Station Information

USGS Site No
12355500
State
MT
Coordinates
48.4958, -114.1268
Drainage Area
1,556 mi²
Datum (ft)
3,145.6
HUC Code
17010206
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
12.5 ft
Flood Stage
13.0 ft
Moderate Flood
17.0 ft
Major Flood
19.0 ft

Currently 4.89 ft below flood stage.

Recent Extremes

Max discharge
13,400 cfs
May 28, 2026
Min discharge
577 cfs
Oct 17, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges