Clark Fork River at St. Regis
Critical Stages
18' - Action
19' - Flood
21' - Moderate
22' - Major
Latest Observation
Updated: 5:45 PM MST 12/15/25
Status: No Flooding
Stage: 8.67 ft
Flow: 10.1 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 11 PM 12/15 | 8.32 | 9.11 |
| 5 AM 12/16 | 8.27 | 8.98 |
| 11 AM 12/16 | 8.24 | 8.9 |
| 5 PM 12/16 | 8.22 | 8.84 |
| 11 PM 12/16 | 8.24 | 8.9 |
| 5 AM 12/17 | 8.29 | 9.03 |
| 11 AM 12/17 | 8.42 | 9.38 |
| 5 PM 12/17 | 8.64 | 9.99 |
| 11 PM 12/17 | 8.77 | 10.4 |
| 5 AM 12/18 | 8.84 | 10.6 |
| 11 AM 12/18 | 8.85 | 10.6 |
| 5 PM 12/18 | 8.8 | 10.4 |
| 11 PM 12/18 | 8.72 | 10.2 |
| 5 AM 12/19 | 8.66 | 10 |
| 11 AM 12/19 | 8.67 | 10.1 |
| 5 PM 12/19 | 8.75 | 10.3 |
| 11 PM 12/19 | 8.86 | 10.6 |
| 5 AM 12/20 | 8.93 | 10.8 |
| 11 AM 12/20 | 8.95 | 10.9 |
| 5 PM 12/20 | 8.89 | 10.7 |
| 11 PM 12/20 | 8.78 | 10.4 |
| 5 AM 12/21 | 8.64 | 9.99 |
| 11 AM 12/21 | 8.49 | 9.57 |
| 5 PM 12/21 | 8.35 | 9.19 |
| 11 PM 12/21 | 8.22 | 8.84 |
| 5 AM 12/22 | 8.12 | 8.58 |
| 11 AM 12/22 | 8.05 | 8.4 |
| 5 PM 12/22 | 7.98 | 8.22 |
| 11 PM 12/22 | 7.92 | 8.06 |
| 5 AM 12/23 | 7.88 | 7.96 |
| 11 AM 12/23 | 7.83 | 7.82 |
| 5 PM 12/23 | 7.79 | 7.72 |
| 11 PM 12/23 | 7.75 | 7.62 |
| 5 AM 12/24 | 7.7 | 7.49 |
| 11 AM 12/24 | 7.66 | 7.39 |
| 5 PM 12/24 | 7.62 | 7.29 |
| 11 PM 12/24 | 7.58 | 7.19 |
| 5 AM 12/25 | 7.54 | 7.09 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5:45 PM 12/15 | 8.67 | 10.1 |
| 5:30 PM 12/15 | 8.65 | 10 |
| 5:15 PM 12/15 | 8.66 | 10 |
| 5:00 PM 12/15 | 8.66 | 10 |
| 4:45 PM 12/15 | 8.66 | 10 |
| 4:30 PM 12/15 | 8.67 | 10.1 |
| 4:15 PM 12/15 | 8.66 | 10 |
| 4:00 PM 12/15 | 8.66 | 10 |
| 3:45 PM 12/15 | 8.65 | 10 |
| 3:30 PM 12/15 | 8.67 | 10.1 |
| 3:15 PM 12/15 | 8.67 | 10.1 |
| 3:00 PM 12/15 | 8.66 | 10 |
| 2:45 PM 12/15 | 8.68 | 10.1 |
| 2:30 PM 12/15 | 8.66 | 10 |
| 2:15 PM 12/15 | 8.69 | 10.1 |
| 2:00 PM 12/15 | 8.68 | 10.1 |
| 1:45 PM 12/15 | 8.67 | 10.1 |
| 1:30 PM 12/15 | 8.7 | 10.2 |
| 1:15 PM 12/15 | 8.67 | 10.1 |
| 1:00 PM 12/15 | 8.69 | 10.1 |
| 12:45 PM 12/15 | 8.7 | 10.2 |
| 12:30 PM 12/15 | 8.7 | 10.2 |
| 12:15 PM 12/15 | 8.69 | 10.1 |
| 12:00 PM 12/15 | 8.7 | 10.2 |
| 11:45 AM 12/15 | 8.71 | 10.2 |
| 11:30 AM 12/15 | 8.72 | 10.2 |
| 11:15 AM 12/15 | 8.72 | 10.2 |
| 11:00 AM 12/15 | 8.74 | 10.3 |
| 10:45 AM 12/15 | 8.71 | 10.2 |
| 10:30 AM 12/15 | 8.72 | 10.2 |
22' -
Flooding affects buildings in the town of St. Regis inundating roads and isolating homes.
21' -
Flooding affects low lying areas adjacent to the confluence of the Clark Fork and St. Regis Rivers.
19' -
Flooding affects low lying areas adjacent to the river.
| Date | Stage (ft) |
|---|---|
| May 18, 1997 | 20.27 |
| May 24, 1948 | 19.96 |
| Jun 3, 1972 | 19.5 |
| Jun 18, 1974 | 19.39 |
| May 30, 1913 | 19.2 |
| May 24, 1956 | 18.98 |
| May 12, 2018 | 18.9 |
| Jun 10, 1964 | 18.54 |
| May 29, 1917 | 18.5 |
| Jun 21, 1975 | 18.21 |
| Jun 10, 2011 | 18.16 |
| May 16, 1976 | 18.07 |
| May 10, 1947 | 17.91 |
| Jun 19, 1950 | 17.39 |
| May 22, 2020 | 16.33 |
| May 19, 2019 | 16.17 |
| Jun 13, 2022 | 15.06 |
| Jun 6, 2021 | 14.26 |
| May 12, 2025 | 11.51 |
Data provided by the National Weather Service.
