Yaak River near Troy
Critical Stages
7.5' - Action
8' - Flood
9' - Moderate
10' - Major
Latest Observation
Updated: 10:45 AM MST 12/16/25
Status: No Flooding
Stage: 6.71 ft
Flow: 3.61 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5 PM 12/16 | 6.6 | 3.42 |
| 11 PM 12/16 | 6.54 | 3.32 |
| 5 AM 12/17 | 6.65 | 3.51 |
| 11 AM 12/17 | 7.07 | 4.35 |
| 5 PM 12/17 | 7.09 | 4.4 |
| 11 PM 12/17 | 6.97 | 4.12 |
| 5 AM 12/18 | 6.81 | 3.79 |
| 11 AM 12/18 | 6.65 | 3.51 |
| 5 PM 12/18 | 6.49 | 3.24 |
| 11 PM 12/18 | 6.33 | 2.99 |
| 5 AM 12/19 | 6.19 | 2.78 |
| 11 AM 12/19 | 6.06 | 2.6 |
| 5 PM 12/19 | 5.93 | 2.42 |
| 11 PM 12/19 | 5.81 | 2.26 |
| 5 AM 12/20 | 5.69 | 2.11 |
| 11 AM 12/20 | 5.57 | 1.96 |
| 5 PM 12/20 | 5.47 | 1.84 |
| 11 PM 12/20 | 5.37 | 1.73 |
| 5 AM 12/21 | 5.28 | 1.63 |
| 11 AM 12/21 | 5.2 | 1.54 |
| 5 PM 12/21 | 5.12 | 1.46 |
| 11 PM 12/21 | 5.04 | 1.38 |
| 5 AM 12/22 | 4.96 | 1.31 |
| 11 AM 12/22 | 4.9 | 1.25 |
| 5 PM 12/22 | 4.84 | 1.19 |
| 11 PM 12/22 | 4.79 | 1.15 |
| 5 AM 12/23 | 4.74 | 1.1 |
| 11 AM 12/23 | 4.69 | 1.06 |
| 5 PM 12/23 | 4.65 | 1.03 |
| 11 PM 12/23 | 4.61 | 0.993 |
| 5 AM 12/24 | 4.57 | 0.96 |
| 11 AM 12/24 | 4.54 | 0.935 |
| 5 PM 12/24 | 4.5 | 0.903 |
| 11 PM 12/24 | 4.47 | 0.879 |
| 5 AM 12/25 | 4.45 | 0.863 |
| 11 AM 12/25 | 4.42 | 0.84 |
| 5 PM 12/25 | 4.4 | 0.825 |
| 11 PM 12/25 | 4.37 | 0.802 |
| 5 AM 12/26 | 4.35 | 0.787 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10:45 AM 12/16 | 6.71 | 3.61 |
| 10:30 AM 12/16 | 6.72 | 3.63 |
| 10:15 AM 12/16 | 6.72 | 3.63 |
| 10:00 AM 12/16 | 6.72 | 3.63 |
| 9:45 AM 12/16 | 6.74 | 3.67 |
| 9:30 AM 12/16 | 6.73 | 3.65 |
| 9:15 AM 12/16 | 6.74 | 3.67 |
| 9:00 AM 12/16 | 6.75 | 3.68 |
| 8:45 AM 12/16 | 6.75 | 3.68 |
| 8:30 AM 12/16 | 6.78 | 3.74 |
| 8:15 AM 12/16 | 6.78 | 3.74 |
| 8:00 AM 12/16 | 6.78 | 3.74 |
| 7:45 AM 12/16 | 6.79 | 3.76 |
| 7:30 AM 12/16 | 6.79 | 3.76 |
| 7:15 AM 12/16 | 6.8 | 3.77 |
| 7:00 AM 12/16 | 6.8 | 3.77 |
| 6:45 AM 12/16 | 6.82 | 3.81 |
| 6:30 AM 12/16 | 6.82 | 3.81 |
| 6:15 AM 12/16 | 6.83 | 3.83 |
| 6:00 AM 12/16 | 6.83 | 3.83 |
| 5:45 AM 12/16 | 6.84 | 3.85 |
| 5:30 AM 12/16 | 6.84 | 3.85 |
| 5:15 AM 12/16 | 6.85 | 3.87 |
| 5:00 AM 12/16 | 6.85 | 3.87 |
| 4:45 AM 12/16 | 6.84 | 3.85 |
| 4:30 AM 12/16 | 6.85 | 3.87 |
| 4:15 AM 12/16 | 6.85 | 3.87 |
| 4:00 AM 12/16 | 6.84 | 3.85 |
| 3:45 AM 12/16 | 6.85 | 3.87 |
| 3:30 AM 12/16 | 6.85 | 3.87 |
8.5' -
Flooding affects low lying areas adjacent to the river including homes and access roads. Sylvanite Ranger Station Road and Upper Ford Road affected by flooding.
8' -
Flooding affects low lying areas adjacent to the river.
| Date | Stage (ft) |
|---|---|
| May 20, 1954 | 11.4 |
| May 27, 1948 | 11.1 |
| May 21, 1956 | 9.7 |
| May 17, 1997 | 9.58 |
| May 22, 1967 | 9.07 |
| May 11, 1976 | 8.96 |
| May 27, 1961 | 8.93 |
| Jan 17, 1974 | 8.79 |
| May 13, 1971 | 8.61 |
| Apr 15, 2002 | 8.59 |
| May 26, 1999 | 8.59 |
| May 16, 1972 | 8.56 |
| May 21, 2008 | 8.53 |
| Apr 27, 2012 | 8.52 |
| Apr 5, 1991 | 8.5 |
| May 20, 1964 | 8.5 |
| May 6, 1957 | 8.46 |
| May 13, 1969 | 8.35 |
| May 16, 1996 | 8.33 |
| Dec 11, 2025 | 8.3 |
Data provided by the National Weather Service.
