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Columbia River at St. Helens
Critical Stages
14.5' - Action
15.5' - Flood
18' - Moderate
21' - Major
Latest Observation
Updated: 3:18 AM PST 12/16/25
Status: No Flooding
Stage: 6.31 ft
Flow: -999 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5 AM 12/16 | 6.21 | -999 |
| 6 AM 12/16 | 6.04 | -999 |
| 7 AM 12/16 | 5.89 | -999 |
| 8 AM 12/16 | 5.76 | -999 |
| 9 AM 12/16 | 5.76 | -999 |
| 10 AM 12/16 | 5.96 | -999 |
| 11 AM 12/16 | 6.4 | -999 |
| 12 PM 12/16 | 6.92 | -999 |
| 1 PM 12/16 | 7.26 | -999 |
| 2 PM 12/16 | 7.36 | -999 |
| 3 PM 12/16 | 7.3 | -999 |
| 4 PM 12/16 | 7.17 | -999 |
| 5 PM 12/16 | 6.96 | -999 |
| 6 PM 12/16 | 6.73 | -999 |
| 7 PM 12/16 | 6.49 | -999 |
| 8 PM 12/16 | 6.22 | -999 |
| 9 PM 12/16 | 5.97 | -999 |
| 10 PM 12/16 | 5.75 | -999 |
| 11 PM 12/16 | 5.62 | -999 |
| 12 AM 12/17 | 5.74 | -999 |
| 1 AM 12/17 | 6.17 | -999 |
| 2 AM 12/17 | 6.76 | -999 |
| 3 AM 12/17 | 7.14 | -999 |
| 4 AM 12/17 | 7.24 | -999 |
| 5 AM 12/17 | 7.2 | -999 |
| 6 AM 12/17 | 7.08 | -999 |
| 7 AM 12/17 | 6.93 | -999 |
| 8 AM 12/17 | 6.79 | -999 |
| 9 AM 12/17 | 6.67 | -999 |
| 10 AM 12/17 | 6.64 | -999 |
| 11 AM 12/17 | 6.79 | -999 |
| 12 PM 12/17 | 7.13 | -999 |
| 1 PM 12/17 | 7.53 | -999 |
| 2 PM 12/17 | 7.75 | -999 |
| 3 PM 12/17 | 7.78 | -999 |
| 4 PM 12/17 | 7.69 | -999 |
| 5 PM 12/17 | 7.52 | -999 |
| 6 PM 12/17 | 7.34 | -999 |
| 7 PM 12/17 | 7.14 | -999 |
| 8 PM 12/17 | 6.93 | -999 |
| 9 PM 12/17 | 6.72 | -999 |
| 10 PM 12/17 | 6.5 | -999 |
| 11 PM 12/17 | 6.28 | -999 |
| 12 AM 12/18 | 6.14 | -999 |
| 1 AM 12/18 | 6.19 | -999 |
| 2 AM 12/18 | 6.52 | -999 |
| 3 AM 12/18 | 6.92 | -999 |
| 4 AM 12/18 | 7.17 | -999 |
| 5 AM 12/18 | 7.24 | -999 |
| 6 AM 12/18 | 7.19 | -999 |
| 7 AM 12/18 | 7.11 | -999 |
| 8 AM 12/18 | 7.01 | -999 |
| 9 AM 12/18 | 6.9 | -999 |
| 10 AM 12/18 | 6.83 | -999 |
| 11 AM 12/18 | 6.9 | -999 |
| 12 PM 12/18 | 7.21 | -999 |
| 1 PM 12/18 | 7.75 | -999 |
| 2 PM 12/18 | 8.25 | -999 |
| 3 PM 12/18 | 8.49 | -999 |
| 4 PM 12/18 | 8.52 | -999 |
| 5 PM 12/18 | 8.4 | -999 |
| 6 PM 12/18 | 8.25 | -999 |
| 7 PM 12/18 | 8.09 | -999 |
| 8 PM 12/18 | 7.91 | -999 |
| 9 PM 12/18 | 7.76 | -999 |
| 10 PM 12/18 | 7.63 | -999 |
| 11 PM 12/18 | 7.52 | -999 |
| 12 AM 12/19 | 7.46 | -999 |
| 1 AM 12/19 | 7.51 | -999 |
| 2 AM 12/19 | 7.77 | -999 |
| 3 AM 12/19 | 8.21 | -999 |
| 4 AM 12/19 | 8.68 | -999 |
| 5 AM 12/19 | 8.81 | -999 |
| 6 AM 12/19 | 8.97 | -999 |
| 7 AM 12/19 | 9.13 | -999 |
| 8 AM 12/19 | 9.23 | -999 |
| 9 AM 12/19 | 9.29 | -999 |
| 10 AM 12/19 | 9.34 | -999 |
| 11 AM 12/19 | 9.41 | -999 |
| 12 PM 12/19 | 9.54 | -999 |
| 1 PM 12/19 | 9.8 | -999 |
| 2 PM 12/19 | 10.17 | -999 |
| 3 PM 12/19 | 10.49 | -999 |
| 4 PM 12/19 | 10.68 | -999 |
| 5 PM 12/19 | 10.79 | -999 |
| 6 PM 12/19 | 10.84 | -999 |
| 7 PM 12/19 | 10.85 | -999 |
| 8 PM 12/19 | 10.81 | -999 |
| 9 PM 12/19 | 10.75 | -999 |
| 10 PM 12/19 | 10.68 | -999 |
| 11 PM 12/19 | 10.6 | -999 |
| 12 AM 12/20 | 10.53 | -999 |
| 1 AM 12/20 | 10.49 | -999 |
| 2 AM 12/20 | 10.5 | -999 |
| 3 AM 12/20 | 10.58 | -999 |
| 4 AM 12/20 | 10.76 | -999 |
| 5 AM 12/20 | 10.94 | -999 |
| 6 AM 12/20 | 11.03 | -999 |
| 7 AM 12/20 | 11.07 | -999 |
| 8 AM 12/20 | 11.08 | -999 |
| 9 AM 12/20 | 11.06 | -999 |
| 10 AM 12/20 | 11.02 | -999 |
| 11 AM 12/20 | 10.97 | -999 |
| 12 PM 12/20 | 10.93 | -999 |
| 1 PM 12/20 | 10.92 | -999 |
| 2 PM 12/20 | 11.01 | -999 |
| 3 PM 12/20 | 11.17 | -999 |
| 4 PM 12/20 | 11.3 | -999 |
| 5 PM 12/20 | 11.34 | -999 |
| 6 PM 12/20 | 11.33 | -999 |
| 7 PM 12/20 | 11.3 | -999 |
| 8 PM 12/20 | 11.21 | -999 |
| 9 PM 12/20 | 11.1 | -999 |
| 10 PM 12/20 | 10.97 | -999 |
| 11 PM 12/20 | 10.84 | -999 |
| 12 AM 12/21 | 10.68 | -999 |
| 1 AM 12/21 | 10.55 | -999 |
| 2 AM 12/21 | 10.49 | -999 |
| 3 AM 12/21 | 10.48 | -999 |
| 4 AM 12/21 | 10.56 | -999 |
| 5 AM 12/21 | 10.77 | -999 |
| 6 AM 12/21 | 10.89 | -999 |
| 7 AM 12/21 | 10.93 | -999 |
| 8 AM 12/21 | 10.94 | -999 |
| 9 AM 12/21 | 10.92 | -999 |
| 10 AM 12/21 | 10.86 | -999 |
| 11 AM 12/21 | 10.79 | -999 |
| 12 PM 12/21 | 10.71 | -999 |
| 1 PM 12/21 | 10.67 | -999 |
| 2 PM 12/21 | 10.74 | -999 |
| 3 PM 12/21 | 10.96 | -999 |
| 4 PM 12/21 | 11.19 | -999 |
| 5 PM 12/21 | 11.29 | -999 |
| 6 PM 12/21 | 11.29 | -999 |
| 7 PM 12/21 | 11.24 | -999 |
| 8 PM 12/21 | 11.14 | -999 |
| 9 PM 12/21 | 11.02 | -999 |
| 10 PM 12/21 | 10.86 | -999 |
| 11 PM 12/21 | 10.7 | -999 |
| 12 AM 12/22 | 10.53 | -999 |
| 1 AM 12/22 | 10.37 | -999 |
| 2 AM 12/22 | 10.23 | -999 |
| 3 AM 12/22 | 10.13 | -999 |
| 4 AM 12/22 | 10.15 | -999 |
| 5 AM 12/22 | 10.31 | -999 |
| 6 AM 12/22 | 10.46 | -999 |
| 7 AM 12/22 | 10.51 | -999 |
| 8 AM 12/22 | 10.5 | -999 |
| 9 AM 12/22 | 10.46 | -999 |
| 10 AM 12/22 | 10.38 | -999 |
| 11 AM 12/22 | 10.28 | -999 |
| 12 PM 12/22 | 10.16 | -999 |
| 1 PM 12/22 | 10.04 | -999 |
| 2 PM 12/22 | 9.98 | -999 |
| 3 PM 12/22 | 10.07 | -999 |
| 4 PM 12/22 | 10.29 | -999 |
| 5 PM 12/22 | 10.44 | -999 |
| 6 PM 12/22 | 10.46 | -999 |
| 7 PM 12/22 | 10.41 | -999 |
| 8 PM 12/22 | 10.33 | -999 |
| 9 PM 12/22 | 10.18 | -999 |
| 10 PM 12/22 | 9.99 | -999 |
| 11 PM 12/22 | 9.8 | -999 |
| 12 AM 12/23 | 9.59 | -999 |
| 1 AM 12/23 | 9.38 | -999 |
| 2 AM 12/23 | 9.18 | -999 |
| 3 AM 12/23 | 9.01 | -999 |
| 4 AM 12/23 | 8.93 | -999 |
| 5 AM 12/23 | 9.08 | -999 |
| 6 AM 12/23 | 9.26 | -999 |
| 7 AM 12/23 | 9.34 | -999 |
| 8 AM 12/23 | 9.32 | -999 |
| 9 AM 12/23 | 9.28 | -999 |
| 10 AM 12/23 | 9.21 | -999 |
| 11 AM 12/23 | 9.1 | -999 |
| 12 PM 12/23 | 8.96 | -999 |
| 1 PM 12/23 | 8.82 | -999 |
| 2 PM 12/23 | 8.72 | -999 |
| 3 PM 12/23 | 8.72 | -999 |
| 4 PM 12/23 | 8.85 | -999 |
| 5 PM 12/23 | 9.02 | -999 |
| 6 PM 12/23 | 9.16 | -999 |
| 7 PM 12/23 | 9.17 | -999 |
| 8 PM 12/23 | 9.13 | -999 |
| 9 PM 12/23 | 9.06 | -999 |
| 10 PM 12/23 | 8.92 | -999 |
| 11 PM 12/23 | 8.75 | -999 |
| 12 AM 12/24 | 8.55 | -999 |
| 1 AM 12/24 | 8.35 | -999 |
| 2 AM 12/24 | 8.16 | -999 |
| 3 AM 12/24 | 7.99 | -999 |
| 4 AM 12/24 | 7.89 | -999 |
| 5 AM 12/24 | 7.98 | -999 |
| 6 AM 12/24 | 8.17 | -999 |
| 7 AM 12/24 | 8.37 | -999 |
| 8 AM 12/24 | 8.41 | -999 |
| 9 AM 12/24 | 8.38 | -999 |
| 10 AM 12/24 | 8.34 | -999 |
| 11 AM 12/24 | 8.27 | -999 |
| 12 PM 12/24 | 8.16 | -999 |
| 1 PM 12/24 | 8.03 | -999 |
| 2 PM 12/24 | 7.91 | -999 |
| 3 PM 12/24 | 7.87 | -999 |
| 4 PM 12/24 | 7.98 | -999 |
| 5 PM 12/24 | 8.23 | -999 |
| 6 PM 12/24 | 8.46 | -999 |
| 7 PM 12/24 | 8.5 | -999 |
| 8 PM 12/24 | 8.42 | -999 |
| 9 PM 12/24 | 8.31 | -999 |
| 10 PM 12/24 | 8.18 | -999 |
| 11 PM 12/24 | 8.03 | -999 |
| 12 AM 12/25 | 7.84 | -999 |
| 1 AM 12/25 | 7.64 | -999 |
| 2 AM 12/25 | 7.44 | -999 |
| 3 AM 12/25 | 7.26 | -999 |
| 4 AM 12/25 | 7.14 | -999 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 3:42 AM 12/16 | 6.27 | -999 |
| 3:36 AM 12/16 | 6.28 | -999 |
| 3:18 AM 12/16 | 6.31 | -999 |
| 3:12 AM 12/16 | 6.32 | -999 |
| 3:06 AM 12/16 | 6.33 | -999 |
| 2:48 AM 12/16 | 6.33 | -999 |
| 2:42 AM 12/16 | 6.31 | -999 |
| 2:36 AM 12/16 | 6.3 | -999 |
| 2:18 AM 12/16 | 6.28 | -999 |
| 2:12 AM 12/16 | 6.32 | -999 |
| 2:06 AM 12/16 | 6.32 | -999 |
| 1:48 AM 12/16 | 6.3 | -999 |
| 1:42 AM 12/16 | 6.3 | -999 |
| 1:36 AM 12/16 | 6.29 | -999 |
| 1:24 AM 12/16 | 6.24 | -999 |
| 1:18 AM 12/16 | 6.21 | -999 |
| 1:12 AM 12/16 | 6.19 | -999 |
| 1:06 AM 12/16 | 6.16 | -999 |
| 12:54 AM 12/16 | 6.09 | -999 |
| 12:48 AM 12/16 | 6.07 | -999 |
| 12:42 AM 12/16 | 6.03 | -999 |
| 12:36 AM 12/16 | 6 | -999 |
| 12:24 AM 12/16 | 5.92 | -999 |
| 12:18 AM 12/16 | 5.89 | -999 |
| 12:12 AM 12/16 | 5.86 | -999 |
| 12:06 AM 12/16 | 5.83 | -999 |
| 11:48 PM 12/15 | 5.73 | -999 |
| 11:42 PM 12/15 | 5.71 | -999 |
| 11:36 PM 12/15 | 5.68 | -999 |
| 11:18 PM 12/15 | 5.61 | -999 |
23' -
expect major flooding, especially near Kalama Washington. This river level historically nears the tops of several levees along the Columbia and Lewis Rivers.
21' -
expect major flooding near St. Helens Oregon and Kalama Washington, along with widespread flooding of lowland agricultural areas.
19' -
expect widespread lowland flooding. Levee watches have historically been in effect at this and higher stages for Bachelor Island and locations near Lewis River confluence.
17' -
expect flooding of low lying farmland to begin. Levee watches along the Lewis River historically have been in effect at this level.
15.5' -
expect flooding of low areas along the Columbia.
| Date | Stage (ft) |
|---|---|
| Jun 14, 1948 | 27.1 |
| Dec 25, 1964 | 24 |
| Jun 5, 1956 | 23.2 |
| Feb 10, 1996 | 23 |
| Jun 27, 1950 | 21.6 |
| Jun 10, 1961 | 20.1 |
| May 23, 1957 | 19.8 |
| Jan 3, 1996 | 19.78 |
| Jan 31, 1965 | 19.6 |
| May 19, 1949 | 19.2 |
| Jun 16, 1953 | 18.4 |
| Jun 1, 1946 | 18.1 |
| Jun 23, 1967 | 17.8 |
| Dec 25, 1955 | 17.8 |
| Jun 1, 1958 | 17.4 |
| Jun 19, 1954 | 17.1 |
| Mar 30, 2017 | 15.8 |
Data provided by the National Weather Service.
