North Fork Flathead River at Canadian Border
Critical Stages
9.5' - Action
10.5' - Flood
11' - Moderate
11.5' - Major
Latest Observation
Updated: 10:45 PM MST 12/15/25
Status: No Flooding
Stage: 6.23 ft
Flow: 1.57 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5 AM 12/16 | 6.09 | 1.41 |
| 11 AM 12/16 | 6.35 | 1.72 |
| 5 PM 12/16 | 6.47 | 1.88 |
| 11 PM 12/16 | 6.49 | 1.9 |
| 5 AM 12/17 | 6.44 | 1.84 |
| 11 AM 12/17 | 6.37 | 1.75 |
| 5 PM 12/17 | 6.31 | 1.67 |
| 11 PM 12/17 | 6.24 | 1.59 |
| 5 AM 12/18 | 6.17 | 1.5 |
| 11 AM 12/18 | 6.07 | 1.39 |
| 5 PM 12/18 | 5.97 | 1.28 |
| 11 PM 12/18 | 5.88 | 1.19 |
| 5 AM 12/19 | 5.79 | 1.1 |
| 11 AM 12/19 | 5.72 | 1.04 |
| 5 PM 12/19 | 5.66 | 0.984 |
| 11 PM 12/19 | 5.61 | 0.941 |
| 5 AM 12/20 | 5.57 | 0.907 |
| 11 AM 12/20 | 5.53 | 0.874 |
| 5 PM 12/20 | 5.5 | 0.849 |
| 11 PM 12/20 | 5.48 | 0.833 |
| 5 AM 12/21 | 5.46 | 0.817 |
| 11 AM 12/21 | 5.45 | 0.81 |
| 5 PM 12/21 | 5.43 | 0.794 |
| 11 PM 12/21 | 5.42 | 0.786 |
| 5 AM 12/22 | 5.4 | 0.771 |
| 11 AM 12/22 | 5.39 | 0.764 |
| 5 PM 12/22 | 5.38 | 0.756 |
| 11 PM 12/22 | 5.37 | 0.749 |
| 5 AM 12/23 | 5.36 | 0.741 |
| 11 AM 12/23 | 5.35 | 0.734 |
| 5 PM 12/23 | 5.34 | 0.727 |
| 11 PM 12/23 | 5.34 | 0.727 |
| 5 AM 12/24 | 5.33 | 0.719 |
| 11 AM 12/24 | 5.32 | 0.712 |
| 5 PM 12/24 | 5.31 | 0.705 |
| 11 PM 12/24 | 5.3 | 0.698 |
| 5 AM 12/25 | 5.29 | 0.691 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10:45 PM 12/15 | 6.23 | 1.57 |
| 10:30 PM 12/15 | 6.2 | 1.54 |
| 10:15 PM 12/15 | 6.19 | 1.53 |
| 10:00 PM 12/15 | 6.18 | 1.51 |
| 9:45 PM 12/15 | 6.14 | 1.47 |
| 9:30 PM 12/15 | 6.15 | 1.48 |
| 9:15 PM 12/15 | 6.13 | 1.46 |
| 9:00 PM 12/15 | 6.1 | 1.42 |
| 8:45 PM 12/15 | 6.11 | 1.44 |
| 8:30 PM 12/15 | 6.08 | 1.4 |
| 8:15 PM 12/15 | 6.07 | 1.39 |
| 8:00 PM 12/15 | 6.05 | 1.37 |
| 7:45 PM 12/15 | 6.03 | 1.35 |
| 7:30 PM 12/15 | 6.02 | 1.34 |
| 7:15 PM 12/15 | 6 | 1.32 |
| 7:00 PM 12/15 | 5.98 | 1.29 |
| 6:45 PM 12/15 | 5.98 | 1.29 |
| 6:30 PM 12/15 | 5.98 | 1.29 |
| 6:15 PM 12/15 | 5.97 | 1.28 |
| 6:00 PM 12/15 | 5.95 | 1.26 |
| 5:45 PM 12/15 | 5.94 | 1.25 |
| 5:30 PM 12/15 | 5.93 | 1.24 |
| 5:15 PM 12/15 | 5.92 | 1.23 |
| 5:00 PM 12/15 | 5.91 | 1.22 |
| 4:45 PM 12/15 | 5.91 | 1.22 |
| 4:30 PM 12/15 | 5.89 | 1.2 |
| 4:15 PM 12/15 | 5.89 | 1.2 |
| 4:00 PM 12/15 | 5.89 | 1.2 |
| 3:45 PM 12/15 | 5.87 | 1.18 |
| 3:30 PM 12/15 | 5.87 | 1.18 |
12.9' -
Cabins adjacent to the river become surrounded with water from the Canadian Border to Polebridge.
10.5' -
Flooding affects low lying areas adjacent to the river. County roads from the Canadian Border to Polebridge become inundated with water.
| Date | Stage (ft) |
|---|---|
| May 13, 2013 | 10.62 |
| Jun 17, 1974 | 10.62 |
| May 20, 1954 | 10.44 |
| May 25, 2008 | 10.34 |
| Jun 18, 2014 | 10.17 |
| May 17, 2018 | 10.01 |
| May 31, 2002 | 10 |
| Jun 8, 2011 | 9.9 |
| May 13, 2025 | 8.23 |
Data provided by the National Weather Service.
