Blackfoot River near Bonner
Critical Stages
9.5' - Action
10' - Flood
16' - Moderate
17' - Major
Latest Observation
Updated: 3:45 AM MST 12/16/25
Status: No Flooding
Stage: 3.39 ft
Flow: 1.67 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5 AM 12/16 | 3.44 | 1.72 |
| 11 AM 12/16 | 3.45 | 1.74 |
| 5 PM 12/16 | 3.46 | 1.75 |
| 11 PM 12/16 | 3.48 | 1.77 |
| 5 AM 12/17 | 3.5 | 1.79 |
| 11 AM 12/17 | 3.51 | 1.8 |
| 5 PM 12/17 | 3.53 | 1.82 |
| 11 PM 12/17 | 3.54 | 1.83 |
| 5 AM 12/18 | 3.55 | 1.84 |
| 11 AM 12/18 | 3.55 | 1.84 |
| 5 PM 12/18 | 3.55 | 1.84 |
| 11 PM 12/18 | 3.54 | 1.83 |
| 5 AM 12/19 | 3.52 | 1.81 |
| 11 AM 12/19 | 3.51 | 1.8 |
| 5 PM 12/19 | 3.49 | 1.78 |
| 11 PM 12/19 | 3.47 | 1.76 |
| 5 AM 12/20 | 3.45 | 1.74 |
| 11 AM 12/20 | 3.43 | 1.71 |
| 5 PM 12/20 | 3.41 | 1.69 |
| 11 PM 12/20 | 3.39 | 1.67 |
| 5 AM 12/21 | 3.37 | 1.65 |
| 11 AM 12/21 | 3.35 | 1.63 |
| 5 PM 12/21 | 3.33 | 1.61 |
| 11 PM 12/21 | 3.32 | 1.6 |
| 5 AM 12/22 | 3.3 | 1.58 |
| 11 AM 12/22 | 3.28 | 1.56 |
| 5 PM 12/22 | 3.26 | 1.54 |
| 11 PM 12/22 | 3.25 | 1.53 |
| 5 AM 12/23 | 3.23 | 1.51 |
| 11 AM 12/23 | 3.21 | 1.49 |
| 5 PM 12/23 | 3.2 | 1.48 |
| 11 PM 12/23 | 3.18 | 1.46 |
| 5 AM 12/24 | 3.16 | 1.44 |
| 11 AM 12/24 | 3.15 | 1.43 |
| 5 PM 12/24 | 3.13 | 1.41 |
| 11 PM 12/24 | 3.12 | 1.4 |
| 5 AM 12/25 | 3.1 | 1.38 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 3:45 AM 12/16 | 3.39 | 1.67 |
| 3:30 AM 12/16 | 3.4 | 1.68 |
| 3:15 AM 12/16 | 3.39 | 1.67 |
| 3:00 AM 12/16 | 3.39 | 1.67 |
| 2:45 AM 12/16 | 3.39 | 1.67 |
| 2:30 AM 12/16 | 3.39 | 1.67 |
| 2:15 AM 12/16 | 3.38 | 1.66 |
| 2:00 AM 12/16 | 3.39 | 1.67 |
| 1:45 AM 12/16 | 3.39 | 1.67 |
| 1:30 AM 12/16 | 3.39 | 1.67 |
| 1:15 AM 12/16 | 3.39 | 1.67 |
| 1:00 AM 12/16 | 3.39 | 1.67 |
| 12:45 AM 12/16 | 3.4 | 1.68 |
| 12:30 AM 12/16 | 3.4 | 1.68 |
| 12:15 AM 12/16 | 3.39 | 1.67 |
| 12:00 AM 12/16 | 3.39 | 1.67 |
| 11:45 PM 12/15 | 3.4 | 1.68 |
| 11:30 PM 12/15 | 3.39 | 1.67 |
| 11:15 PM 12/15 | 3.39 | 1.67 |
| 11:00 PM 12/15 | 3.39 | 1.67 |
| 10:45 PM 12/15 | 3.39 | 1.67 |
| 10:30 PM 12/15 | 3.39 | 1.67 |
| 10:15 PM 12/15 | 3.38 | 1.66 |
| 10:00 PM 12/15 | 3.39 | 1.67 |
| 9:45 PM 12/15 | 3.39 | 1.67 |
| 9:30 PM 12/15 | 3.39 | 1.67 |
| 9:15 PM 12/15 | 3.39 | 1.67 |
| 9:00 PM 12/15 | 3.39 | 1.67 |
| 8:45 PM 12/15 | 3.39 | 1.67 |
| 8:30 PM 12/15 | 3.39 | 1.67 |
10' -
Flooding to low lying areas adjacent to the river is possible.
| Date | Stage (ft) |
|---|---|
| Feb 9, 1996 | 16 |
| Jun 4, 1953 | 11.65 |
| May 11, 2018 | 11.09 |
| Jun 10, 1964 | 10.89 |
| Jun 20, 1975 | 10.74 |
| May 18, 1997 | 10.5 |
| Jun 9, 2011 | 10.01 |
| Jun 2, 1972 | 9.98 |
| Jun 15, 1976 | 9.48 |
| May 14, 1971 | 8.78 |
| Jun 3, 1967 | 8.78 |
| Jun 17, 1974 | 8.77 |
| Jun 7, 1959 | 8.72 |
| May 22, 1956 | 8.69 |
| May 21, 2020 | 8.52 |
| May 20, 1970 | 8.42 |
| Jun 9, 1996 | 8.42 |
| Jun 5, 2021 | 7.54 |
| Jun 17, 1982 | 7.53 |
| May 22, 1981 | 7.53 |
Data provided by the National Weather Service.
