Thompson River near Thompson Falls
Critical Stages
6.5' - Action
7' - Flood
Moderate
Major
Latest Observation
Updated: 4:45 AM MST 12/18/25
Status: No Flooding
Stage: 4.54 ft
Flow: 1.28 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 11 AM 12/18 | 4.6 | 1.33 |
| 5 PM 12/18 | 4.42 | 1.18 |
| 11 PM 12/18 | 4.26 | 1.06 |
| 5 AM 12/19 | 4.18 | 0.995 |
| 11 AM 12/19 | 4.22 | 1.03 |
| 5 PM 12/19 | 4.28 | 1.07 |
| 11 PM 12/19 | 4.27 | 1.06 |
| 5 AM 12/20 | 4.18 | 0.995 |
| 11 AM 12/20 | 4.06 | 0.904 |
| 5 PM 12/20 | 3.94 | 0.816 |
| 11 PM 12/20 | 3.84 | 0.744 |
| 5 AM 12/21 | 3.75 | 0.681 |
| 11 AM 12/21 | 3.66 | 0.619 |
| 5 PM 12/21 | 3.59 | 0.573 |
| 11 PM 12/21 | 3.55 | 0.545 |
| 5 AM 12/22 | 3.53 | 0.531 |
| 11 AM 12/22 | 3.52 | 0.524 |
| 5 PM 12/22 | 3.52 | 0.524 |
| 11 PM 12/22 | 3.52 | 0.524 |
| 5 AM 12/23 | 3.53 | 0.531 |
| 11 AM 12/23 | 3.53 | 0.531 |
| 5 PM 12/23 | 3.52 | 0.524 |
| 11 PM 12/23 | 3.51 | 0.517 |
| 5 AM 12/24 | 3.49 | 0.503 |
| 11 AM 12/24 | 3.48 | 0.496 |
| 5 PM 12/24 | 3.47 | 0.489 |
| 11 PM 12/24 | 3.47 | 0.489 |
| 5 AM 12/25 | 3.47 | 0.489 |
| 11 AM 12/25 | 3.48 | 0.496 |
| 5 PM 12/25 | 3.47 | 0.489 |
| 11 PM 12/25 | 3.46 | 0.482 |
| 5 AM 12/26 | 3.45 | 0.476 |
| 11 AM 12/26 | 3.44 | 0.469 |
| 5 PM 12/26 | 3.43 | 0.462 |
| 11 PM 12/26 | 3.42 | 0.456 |
| 5 AM 12/27 | 3.42 | 0.456 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5:45 AM 12/18 | 4.53 | 1.27 |
| 5:30 AM 12/18 | 4.53 | 1.27 |
| 5:15 AM 12/18 | 4.54 | 1.28 |
| 5:00 AM 12/18 | 4.53 | 1.27 |
| 4:45 AM 12/18 | 4.54 | 1.28 |
| 4:30 AM 12/18 | 4.54 | 1.28 |
| 4:15 AM 12/18 | 4.55 | 1.29 |
| 4:00 AM 12/18 | 4.54 | 1.28 |
| 3:45 AM 12/18 | 4.55 | 1.29 |
| 3:30 AM 12/18 | 4.54 | 1.28 |
| 3:15 AM 12/18 | 4.56 | 1.3 |
| 3:00 AM 12/18 | 4.54 | 1.28 |
| 2:45 AM 12/18 | 4.54 | 1.28 |
| 2:30 AM 12/18 | 4.55 | 1.29 |
| 2:15 AM 12/18 | 4.57 | 1.31 |
| 2:00 AM 12/18 | 4.56 | 1.3 |
| 1:45 AM 12/18 | 4.56 | 1.3 |
| 1:30 AM 12/18 | 4.56 | 1.3 |
| 1:15 AM 12/18 | 4.57 | 1.31 |
| 1:00 AM 12/18 | 4.57 | 1.31 |
| 12:45 AM 12/18 | 4.56 | 1.3 |
| 12:30 AM 12/18 | 4.56 | 1.3 |
| 12:15 AM 12/18 | 4.57 | 1.31 |
| 12:00 AM 12/18 | 4.57 | 1.31 |
| 11:45 PM 12/17 | 4.57 | 1.31 |
| 11:30 PM 12/17 | 4.56 | 1.3 |
| 11:15 PM 12/17 | 4.56 | 1.3 |
| 11:00 PM 12/17 | 4.56 | 1.3 |
| 10:45 PM 12/17 | 4.56 | 1.3 |
| 10:30 PM 12/17 | 4.55 | 1.29 |
9' -
Flooding affects low lying areas adjacent to the river. Homes in the community of Snider experience flooding and several roads in the community become inundated.
7' -
Flooding affects low lying areas adjacent to the river. Flooding also affects homes in the community of Snider.
| Date | Stage (ft) |
|---|---|
| Jun 9, 1964 | 8.53 |
| May 17, 1997 | 8.35 |
| May 19, 2008 | 7.84 |
| May 21, 1956 | 7.77 |
| Feb 9, 1996 | 7.72 |
| May 16, 2011 | 7.67 |
| May 23, 2002 | 7.65 |
| Mar 19, 2017 | 7.15 |
| Jun 1, 1972 | 7.07 |
| Apr 25, 2012 | 7.01 |
| May 23, 1967 | 6.85 |
| Jan 16, 1974 | 6.85 |
| May 13, 1971 | 6.8 |
| May 7, 2018 | 6.62 |
| May 11, 1976 | 6.51 |
| May 27, 1961 | 6.33 |
| May 19, 1991 | 6.16 |
| May 25, 2021 | 5.33 |
| May 7, 2022 | 5.15 |
| Dec 11, 2025 | 5.14 |
Data provided by the National Weather Service.
