North Fork Flathead River at Canadian Border
Critical Stages
9.5' - Action
10.5' - Flood
11' - Moderate
11.5' - Major
Latest Observation
Updated: 9:45 AM MST 12/17/25
Status: No Flooding
Stage: 6.77 ft
Flow: 2.3 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5 PM 12/17 | 6.76 | 2.29 |
| 11 PM 12/17 | 6.69 | 2.18 |
| 5 AM 12/18 | 6.58 | 2.03 |
| 11 AM 12/18 | 6.46 | 1.86 |
| 5 PM 12/18 | 6.33 | 1.7 |
| 11 PM 12/18 | 6.2 | 1.54 |
| 5 AM 12/19 | 6.09 | 1.41 |
| 11 AM 12/19 | 5.99 | 1.3 |
| 5 PM 12/19 | 5.9 | 1.21 |
| 11 PM 12/19 | 5.82 | 1.13 |
| 5 AM 12/20 | 5.76 | 1.07 |
| 11 AM 12/20 | 5.71 | 1.03 |
| 5 PM 12/20 | 5.68 | 1 |
| 11 PM 12/20 | 5.65 | 0.975 |
| 5 AM 12/21 | 5.62 | 0.949 |
| 11 AM 12/21 | 5.6 | 0.932 |
| 5 PM 12/21 | 5.58 | 0.915 |
| 11 PM 12/21 | 5.56 | 0.898 |
| 5 AM 12/22 | 5.55 | 0.89 |
| 11 AM 12/22 | 5.53 | 0.874 |
| 5 PM 12/22 | 5.52 | 0.865 |
| 11 PM 12/22 | 5.51 | 0.857 |
| 5 AM 12/23 | 5.5 | 0.849 |
| 11 AM 12/23 | 5.49 | 0.841 |
| 5 PM 12/23 | 5.48 | 0.833 |
| 11 PM 12/23 | 5.47 | 0.825 |
| 5 AM 12/24 | 5.45 | 0.81 |
| 11 AM 12/24 | 5.44 | 0.802 |
| 5 PM 12/24 | 5.43 | 0.794 |
| 11 PM 12/24 | 5.42 | 0.786 |
| 5 AM 12/25 | 5.42 | 0.786 |
| 11 AM 12/25 | 5.41 | 0.779 |
| 5 PM 12/25 | 5.4 | 0.771 |
| 11 PM 12/25 | 5.39 | 0.764 |
| 5 AM 12/26 | 5.38 | 0.756 |
| 11 AM 12/26 | 5.37 | 0.749 |
| 5 PM 12/26 | 5.36 | 0.741 |
| 11 PM 12/26 | 5.35 | 0.734 |
| 5 AM 12/27 | 5.34 | 0.727 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10:45 AM 12/17 | 6.78 | 2.32 |
| 10:30 AM 12/17 | 6.79 | 2.33 |
| 10:15 AM 12/17 | 6.78 | 2.32 |
| 10:00 AM 12/17 | 6.78 | 2.32 |
| 9:45 AM 12/17 | 6.77 | 2.3 |
| 9:30 AM 12/17 | 6.77 | 2.3 |
| 9:15 AM 12/17 | 6.78 | 2.32 |
| 9:00 AM 12/17 | 6.75 | 2.27 |
| 8:45 AM 12/17 | 6.77 | 2.3 |
| 8:30 AM 12/17 | 6.76 | 2.29 |
| 8:15 AM 12/17 | 6.76 | 2.29 |
| 8:00 AM 12/17 | 6.77 | 2.3 |
| 7:45 AM 12/17 | 6.74 | 2.26 |
| 7:30 AM 12/17 | 6.76 | 2.29 |
| 7:15 AM 12/17 | 6.75 | 2.27 |
| 7:00 AM 12/17 | 6.75 | 2.27 |
| 6:45 AM 12/17 | 6.75 | 2.27 |
| 6:30 AM 12/17 | 6.74 | 2.26 |
| 6:15 AM 12/17 | 6.72 | 2.23 |
| 6:00 AM 12/17 | 6.72 | 2.23 |
| 5:45 AM 12/17 | 6.72 | 2.23 |
| 5:30 AM 12/17 | 6.73 | 2.24 |
| 5:15 AM 12/17 | 6.71 | 2.22 |
| 5:00 AM 12/17 | 6.71 | 2.22 |
| 4:45 AM 12/17 | 6.71 | 2.22 |
| 4:30 AM 12/17 | 6.71 | 2.22 |
| 4:15 AM 12/17 | 6.7 | 2.2 |
| 4:00 AM 12/17 | 6.7 | 2.2 |
| 3:45 AM 12/17 | 6.69 | 2.18 |
| 3:30 AM 12/17 | 6.71 | 2.22 |
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 |
| Dec 11, 2025 | 7.43 |
Data provided by the National Weather Service.
