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 (High — 82th percentile for this date) . Gage height: 8.11 ft.
Reading from
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 | 5,060 | |
| 25th | Low threshold | 7,800 | |
| 50th (Median) | Normal (median) | 10,400 | |
| 75th | High threshold | 12,800 | |
| 95th | Very High threshold | 18,900 | Today: 14,900 cfs |
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.
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
- County
- Flathead County
- Coordinates
- 48.4958, -114.1268
- Drainage Area
- 1,556 mi²
- Datum (ft)
- 3,145.6
- HUC Code
- 17010206
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 cfsMay 28, 2026
- Min discharge
-
577 cfsOct 17, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
M F Flathead River Near West Glacier MountHigh5.3 mi · 14,800 cfs
-
Flathead River at Columbia Falls MountVery High9.6 mi · 46,300 cfs
-
South F Flathead River near Columbia Falls MountHigh10.4 mi · 16,100 cfs
-
Whitefish River Near Kalispell MountVery Low14.0 mi · 67 cfs
-
Stillwater River at Lawrence Park, at KalispellLow21.1 mi · 609 cfs