Middle Fork Flathead River near West Glacier
Critical Stages
9' - Action
10' - Flood
14' - Moderate
18' - Major
Latest Observation
Updated: 8:45 AM MST 12/16/25
Status: No Flooding
Stage: 5.48 ft
Flow: 9.26 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 11 AM 12/16 | 5.52 | 9.39 |
| 5 PM 12/16 | 5.56 | 9.53 |
| 11 PM 12/16 | 5.5 | 9.33 |
| 5 AM 12/17 | 5.48 | 9.26 |
| 11 AM 12/17 | 5.55 | 9.5 |
| 5 PM 12/17 | 5.66 | 9.88 |
| 11 PM 12/17 | 5.69 | 9.99 |
| 5 AM 12/18 | 5.65 | 9.85 |
| 11 AM 12/18 | 5.58 | 9.6 |
| 5 PM 12/18 | 5.51 | 9.36 |
| 11 PM 12/18 | 5.44 | 9.12 |
| 5 AM 12/19 | 5.35 | 8.81 |
| 11 AM 12/19 | 5.28 | 8.57 |
| 5 PM 12/19 | 5.21 | 8.34 |
| 11 PM 12/19 | 5.15 | 8.13 |
| 5 AM 12/20 | 5.09 | 7.93 |
| 11 AM 12/20 | 5.03 | 7.73 |
| 5 PM 12/20 | 4.97 | 7.53 |
| 11 PM 12/20 | 4.91 | 7.33 |
| 5 AM 12/21 | 4.86 | 7.16 |
| 11 AM 12/21 | 4.81 | 6.99 |
| 5 PM 12/21 | 4.76 | 6.83 |
| 11 PM 12/21 | 4.71 | 6.66 |
| 5 AM 12/22 | 4.66 | 6.49 |
| 11 AM 12/22 | 4.62 | 6.36 |
| 5 PM 12/22 | 4.58 | 6.23 |
| 11 PM 12/22 | 4.54 | 6.1 |
| 5 AM 12/23 | 4.5 | 5.97 |
| 11 AM 12/23 | 4.46 | 5.84 |
| 5 PM 12/23 | 4.42 | 5.71 |
| 11 PM 12/23 | 4.39 | 5.61 |
| 5 AM 12/24 | 4.36 | 5.51 |
| 11 AM 12/24 | 4.32 | 5.38 |
| 5 PM 12/24 | 4.29 | 5.28 |
| 11 PM 12/24 | 4.26 | 5.19 |
| 5 AM 12/25 | 4.23 | 5.09 |
| 11 AM 12/25 | 4.21 | 5.02 |
| 5 PM 12/25 | 4.18 | 4.93 |
| 11 PM 12/25 | 4.15 | 4.83 |
| 5 AM 12/26 | 4.13 | 4.77 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 8:45 AM 12/16 | 5.48 | 9.26 |
| 8:30 AM 12/16 | 5.48 | 9.26 |
| 8:15 AM 12/16 | 5.47 | 9.22 |
| 8:00 AM 12/16 | 5.46 | 9.19 |
| 7:45 AM 12/16 | 5.45 | 9.15 |
| 7:30 AM 12/16 | 5.44 | 9.12 |
| 7:15 AM 12/16 | 5.43 | 9.09 |
| 7:00 AM 12/16 | 5.41 | 9.02 |
| 6:45 AM 12/16 | 5.4 | 8.98 |
| 6:30 AM 12/16 | 5.39 | 8.95 |
| 6:15 AM 12/16 | 5.38 | 8.91 |
| 6:00 AM 12/16 | 5.37 | 8.88 |
| 5:45 AM 12/16 | 5.35 | 8.81 |
| 5:30 AM 12/16 | 5.35 | 8.81 |
| 5:15 AM 12/16 | 5.34 | 8.78 |
| 5:00 AM 12/16 | 5.33 | 8.74 |
| 4:45 AM 12/16 | 5.31 | 8.68 |
| 4:30 AM 12/16 | 5.3 | 8.64 |
| 4:15 AM 12/16 | 5.28 | 8.57 |
| 4:00 AM 12/16 | 5.29 | 8.61 |
| 3:45 AM 12/16 | 5.27 | 8.54 |
| 3:30 AM 12/16 | 5.27 | 8.54 |
| 3:15 AM 12/16 | 5.25 | 8.47 |
| 3:00 AM 12/16 | 5.25 | 8.47 |
| 2:45 AM 12/16 | 5.24 | 8.44 |
| 2:30 AM 12/16 | 5.22 | 8.37 |
| 2:15 AM 12/16 | 5.21 | 8.34 |
| 2:00 AM 12/16 | 5.2 | 8.3 |
| 1:45 AM 12/16 | 5.2 | 8.3 |
| 1:30 AM 12/16 | 5.18 | 8.24 |
18' -
Flooding affecting low lying areas adjacent to the river will occur. Many roads will be inundated with flood water and become impassable.
14' -
Flooding to low lying areas adjacent to the river will occur. Roads and homes may experience flooding due to backwater.
10' -
Flooding to low lying areas adjacent to the river is possible. Flooding to homes and agricultural lands is also possible.
| Date | Stage (ft) |
|---|---|
| Jun 9, 1964 | 36.46 |
| Jun 20, 1975 | 19.42 |
| May 20, 1954 | 13.01 |
| May 19, 1991 | 12.4 |
| May 23, 1948 | 12.4 |
| Nov 12, 1989 | 12.07 |
| May 17, 1997 | 11.96 |
| Jun 18, 1974 | 11.6 |
| May 22, 1956 | 11.28 |
| May 19, 2008 | 11.23 |
| Mar 2, 1972 | 10.99 |
| May 23, 1967 | 10.8 |
| May 14, 2013 | 10.74 |
| May 27, 1961 | 10.58 |
| Jun 6, 1959 | 10.24 |
| Jun 13, 1953 | 10.14 |
| May 5, 1957 | 10.1 |
| May 9, 1947 | 9.8 |
| Jun 8, 2011 | 9.79 |
| Jun 6, 1950 | 9.69 |
Data provided by the National Weather Service.
