Clark Fork River at St. Regis
Critical Stages
18' - Action
19' - Flood
21' - Moderate
22' - Major
Latest Observation
Updated: 4:45 AM MST 12/18/25
Status: No Flooding
Stage: 9.35 ft
Flow: 12.1 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 11 AM 12/18 | 9.35 | 12.1 |
| 5 PM 12/18 | 9.31 | 12 |
| 11 PM 12/18 | 9.24 | 11.7 |
| 5 AM 12/19 | 9.22 | 11.7 |
| 11 AM 12/19 | 9.27 | 11.8 |
| 5 PM 12/19 | 9.39 | 12.2 |
| 11 PM 12/19 | 9.5 | 12.5 |
| 5 AM 12/20 | 9.56 | 12.7 |
| 11 AM 12/20 | 9.55 | 12.7 |
| 5 PM 12/20 | 9.47 | 12.5 |
| 11 PM 12/20 | 9.34 | 12.1 |
| 5 AM 12/21 | 9.17 | 11.5 |
| 11 AM 12/21 | 9 | 11 |
| 5 PM 12/21 | 8.84 | 10.6 |
| 11 PM 12/21 | 8.7 | 10.2 |
| 5 AM 12/22 | 8.6 | 9.88 |
| 11 AM 12/22 | 8.52 | 9.66 |
| 5 PM 12/22 | 8.46 | 9.49 |
| 11 PM 12/22 | 8.4 | 9.33 |
| 5 AM 12/23 | 8.33 | 9.14 |
| 11 AM 12/23 | 8.26 | 8.95 |
| 5 PM 12/23 | 8.19 | 8.76 |
| 11 PM 12/23 | 8.13 | 8.61 |
| 5 AM 12/24 | 8.06 | 8.42 |
| 11 AM 12/24 | 8 | 8.27 |
| 5 PM 12/24 | 7.94 | 8.11 |
| 11 PM 12/24 | 7.89 | 7.98 |
| 5 AM 12/25 | 7.84 | 7.85 |
| 11 AM 12/25 | 7.81 | 7.77 |
| 5 PM 12/25 | 7.77 | 7.67 |
| 11 PM 12/25 | 7.72 | 7.54 |
| 5 AM 12/26 | 7.68 | 7.44 |
| 11 AM 12/26 | 7.63 | 7.32 |
| 5 PM 12/26 | 7.59 | 7.22 |
| 11 PM 12/26 | 7.54 | 7.09 |
| 5 AM 12/27 | 7.5 | 7 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 4:45 AM 12/18 | 9.35 | 12.1 |
| 4:30 AM 12/18 | 9.34 | 12.1 |
| 4:15 AM 12/18 | 9.35 | 12.1 |
| 4:00 AM 12/18 | 9.34 | 12.1 |
| 3:45 AM 12/18 | 9.34 | 12.1 |
| 3:30 AM 12/18 | 9.36 | 12.1 |
| 3:15 AM 12/18 | 9.35 | 12.1 |
| 3:00 AM 12/18 | 9.36 | 12.1 |
| 2:45 AM 12/18 | 9.36 | 12.1 |
| 2:30 AM 12/18 | 9.36 | 12.1 |
| 2:15 AM 12/18 | 9.36 | 12.1 |
| 2:00 AM 12/18 | 9.37 | 12.1 |
| 1:45 AM 12/18 | 9.37 | 12.1 |
| 1:30 AM 12/18 | 9.36 | 12.1 |
| 1:15 AM 12/18 | 9.38 | 12.2 |
| 1:00 AM 12/18 | 9.37 | 12.1 |
| 12:45 AM 12/18 | 9.37 | 12.1 |
| 12:30 AM 12/18 | 9.38 | 12.2 |
| 12:15 AM 12/18 | 9.38 | 12.2 |
| 12:00 AM 12/18 | 9.38 | 12.2 |
| 11:45 PM 12/17 | 9.4 | 12.2 |
| 11:30 PM 12/17 | 9.4 | 12.2 |
| 11:15 PM 12/17 | 9.4 | 12.2 |
| 11:00 PM 12/17 | 9.4 | 12.2 |
| 10:45 PM 12/17 | 9.4 | 12.2 |
| 10:30 PM 12/17 | 9.39 | 12.2 |
| 10:15 PM 12/17 | 9.39 | 12.2 |
| 10:00 PM 12/17 | 9.4 | 12.2 |
| 9:45 PM 12/17 | 9.4 | 12.2 |
| 9:30 PM 12/17 | 9.4 | 12.2 |
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.
