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Columbia River at St. Helens
Critical Stages
14.5' - Action
15.5' - Flood
18' - Moderate
21' - Major
Latest Observation
Updated: 8:48 PM PST 12/14/25
Status: No Flooding
Stage: 5.47 ft
Flow: -999 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10 PM 12/14 | 5.71 | -999 |
| 11 PM 12/14 | 5.77 | -999 |
| 12 AM 12/15 | 5.89 | -999 |
| 1 AM 12/15 | 5.99 | -999 |
| 2 AM 12/15 | 6.04 | -999 |
| 3 AM 12/15 | 6.02 | -999 |
| 4 AM 12/15 | 5.95 | -999 |
| 5 AM 12/15 | 5.88 | -999 |
| 6 AM 12/15 | 5.82 | -999 |
| 7 AM 12/15 | 5.77 | -999 |
| 8 AM 12/15 | 5.77 | -999 |
| 9 AM 12/15 | 5.88 | -999 |
| 10 AM 12/15 | 6.11 | -999 |
| 11 AM 12/15 | 6.77 | -999 |
| 12 PM 12/15 | 7.32 | -999 |
| 1 PM 12/15 | 7.54 | -999 |
| 2 PM 12/15 | 7.52 | -999 |
| 3 PM 12/15 | 7.36 | -999 |
| 4 PM 12/15 | 7.08 | -999 |
| 5 PM 12/15 | 6.77 | -999 |
| 6 PM 12/15 | 6.44 | -999 |
| 7 PM 12/15 | 6.13 | -999 |
| 8 PM 12/15 | 5.99 | -999 |
| 9 PM 12/15 | 5.85 | -999 |
| 10 PM 12/15 | 5.75 | -999 |
| 11 PM 12/15 | 5.7 | -999 |
| 12 AM 12/16 | 5.76 | -999 |
| 1 AM 12/16 | 5.91 | -999 |
| 2 AM 12/16 | 6.04 | -999 |
| 3 AM 12/16 | 6.1 | -999 |
| 4 AM 12/16 | 6.08 | -999 |
| 5 AM 12/16 | 6.01 | -999 |
| 6 AM 12/16 | 5.94 | -999 |
| 7 AM 12/16 | 5.87 | -999 |
| 8 AM 12/16 | 5.81 | -999 |
| 9 AM 12/16 | 5.8 | -999 |
| 10 AM 12/16 | 5.9 | -999 |
| 11 AM 12/16 | 6.13 | -999 |
| 12 PM 12/16 | 6.82 | -999 |
| 1 PM 12/16 | 7.33 | -999 |
| 2 PM 12/16 | 7.48 | -999 |
| 3 PM 12/16 | 7.41 | -999 |
| 4 PM 12/16 | 7.21 | -999 |
| 5 PM 12/16 | 6.93 | -999 |
| 6 PM 12/16 | 6.63 | -999 |
| 7 PM 12/16 | 6.31 | -999 |
| 8 PM 12/16 | 6.08 | -999 |
| 9 PM 12/16 | 5.95 | -999 |
| 10 PM 12/16 | 5.83 | -999 |
| 11 PM 12/16 | 5.76 | -999 |
| 12 AM 12/17 | 5.81 | -999 |
| 1 AM 12/17 | 6.03 | -999 |
| 2 AM 12/17 | 6.67 | -999 |
| 3 AM 12/17 | 7.25 | -999 |
| 4 AM 12/17 | 7.41 | -999 |
| 5 AM 12/17 | 7.35 | -999 |
| 6 AM 12/17 | 7.18 | -999 |
| 7 AM 12/17 | 7.01 | -999 |
| 8 AM 12/17 | 6.83 | -999 |
| 9 AM 12/17 | 6.68 | -999 |
| 10 AM 12/17 | 6.65 | -999 |
| 11 AM 12/17 | 6.87 | -999 |
| 12 PM 12/17 | 7.36 | -999 |
| 1 PM 12/17 | 7.92 | -999 |
| 2 PM 12/17 | 8.27 | -999 |
| 3 PM 12/17 | 8.36 | -999 |
| 4 PM 12/17 | 8.25 | -999 |
| 5 PM 12/17 | 8.07 | -999 |
| 6 PM 12/17 | 7.86 | -999 |
| 7 PM 12/17 | 7.62 | -999 |
| 8 PM 12/17 | 7.35 | -999 |
| 9 PM 12/17 | 7.08 | -999 |
| 10 PM 12/17 | 6.81 | -999 |
| 11 PM 12/17 | 6.57 | -999 |
| 12 AM 12/18 | 6.4 | -999 |
| 1 AM 12/18 | 6.43 | -999 |
| 2 AM 12/18 | 6.82 | -999 |
| 3 AM 12/18 | 7.36 | -999 |
| 4 AM 12/18 | 7.73 | -999 |
| 5 AM 12/18 | 7.81 | -999 |
| 6 AM 12/18 | 7.75 | -999 |
| 7 AM 12/18 | 7.65 | -999 |
| 8 AM 12/18 | 7.52 | -999 |
| 9 AM 12/18 | 7.38 | -999 |
| 10 AM 12/18 | 7.29 | -999 |
| 11 AM 12/18 | 7.38 | -999 |
| 12 PM 12/18 | 7.81 | -999 |
| 1 PM 12/18 | 8.51 | -999 |
| 2 PM 12/18 | 9.06 | -999 |
| 3 PM 12/18 | 9.27 | -999 |
| 4 PM 12/18 | 9.26 | -999 |
| 5 PM 12/18 | 9.14 | -999 |
| 6 PM 12/18 | 8.99 | -999 |
| 7 PM 12/18 | 8.8 | -999 |
| 8 PM 12/18 | 8.56 | -999 |
| 9 PM 12/18 | 8.31 | -999 |
| 10 PM 12/18 | 8.06 | -999 |
| 11 PM 12/18 | 7.83 | -999 |
| 12 AM 12/19 | 7.63 | -999 |
| 1 AM 12/19 | 7.55 | -999 |
| 2 AM 12/19 | 7.73 | -999 |
| 3 AM 12/19 | 8.22 | -999 |
| 4 AM 12/19 | 8.81 | -999 |
| 5 AM 12/19 | 9.05 | -999 |
| 6 AM 12/19 | 9.11 | -999 |
| 7 AM 12/19 | 9.15 | -999 |
| 8 AM 12/19 | 9.18 | -999 |
| 9 AM 12/19 | 9.18 | -999 |
| 10 AM 12/19 | 9.17 | -999 |
| 11 AM 12/19 | 9.19 | -999 |
| 12 PM 12/19 | 9.32 | -999 |
| 1 PM 12/19 | 9.62 | -999 |
| 2 PM 12/19 | 10.01 | -999 |
| 3 PM 12/19 | 10.34 | -999 |
| 4 PM 12/19 | 10.5 | -999 |
| 5 PM 12/19 | 10.59 | -999 |
| 6 PM 12/19 | 10.64 | -999 |
| 7 PM 12/19 | 10.61 | -999 |
| 8 PM 12/19 | 10.54 | -999 |
| 9 PM 12/19 | 10.47 | -999 |
| 10 PM 12/19 | 10.38 | -999 |
| 11 PM 12/19 | 10.28 | -999 |
| 12 AM 12/20 | 10.18 | -999 |
| 1 AM 12/20 | 10.09 | -999 |
| 2 AM 12/20 | 10.05 | -999 |
| 3 AM 12/20 | 10.12 | -999 |
| 4 AM 12/20 | 10.31 | -999 |
| 5 AM 12/20 | 10.51 | -999 |
| 6 AM 12/20 | 10.6 | -999 |
| 7 AM 12/20 | 10.63 | -999 |
| 8 AM 12/20 | 10.63 | -999 |
| 9 AM 12/20 | 10.61 | -999 |
| 10 AM 12/20 | 10.56 | -999 |
| 11 AM 12/20 | 10.51 | -999 |
| 12 PM 12/20 | 10.47 | -999 |
| 1 PM 12/20 | 10.48 | -999 |
| 2 PM 12/20 | 10.62 | -999 |
| 3 PM 12/20 | 10.86 | -999 |
| 4 PM 12/20 | 11.03 | -999 |
| 5 PM 12/20 | 11.08 | -999 |
| 6 PM 12/20 | 11.09 | -999 |
| 7 PM 12/20 | 11.06 | -999 |
| 8 PM 12/20 | 10.99 | -999 |
| 9 PM 12/20 | 10.89 | -999 |
| 10 PM 12/20 | 10.77 | -999 |
| 11 PM 12/20 | 10.64 | -999 |
| 12 AM 12/21 | 10.51 | -999 |
| 1 AM 12/21 | 10.38 | -999 |
| 2 AM 12/21 | 10.27 | -999 |
| 3 AM 12/21 | 10.22 | -999 |
| 4 AM 12/21 | 10.29 | -999 |
| 5 AM 12/21 | 10.47 | -999 |
| 6 AM 12/21 | 10.61 | -999 |
| 7 AM 12/21 | 10.65 | -999 |
| 8 AM 12/21 | 10.65 | -999 |
| 9 AM 12/21 | 10.62 | -999 |
| 10 AM 12/21 | 10.56 | -999 |
| 11 AM 12/21 | 10.49 | -999 |
| 12 PM 12/21 | 10.41 | -999 |
| 1 PM 12/21 | 10.37 | -999 |
| 2 PM 12/21 | 10.44 | -999 |
| 3 PM 12/21 | 10.63 | -999 |
| 4 PM 12/21 | 10.8 | -999 |
| 5 PM 12/21 | 10.86 | -999 |
| 6 PM 12/21 | 10.85 | -999 |
| 7 PM 12/21 | 10.82 | -999 |
| 8 PM 12/21 | 10.73 | -999 |
| 9 PM 12/21 | 10.62 | -999 |
| 10 PM 12/21 | 10.49 | -999 |
| 11 PM 12/21 | 10.34 | -999 |
| 12 AM 12/22 | 10.19 | -999 |
| 1 AM 12/22 | 10.04 | -999 |
| 2 AM 12/22 | 9.89 | -999 |
| 3 AM 12/22 | 9.78 | -999 |
| 4 AM 12/22 | 9.78 | -999 |
| 5 AM 12/22 | 9.92 | -999 |
| 6 AM 12/22 | 10.08 | -999 |
| 7 AM 12/22 | 10.12 | -999 |
| 8 AM 12/22 | 10.11 | -999 |
| 9 AM 12/22 | 10.08 | -999 |
| 10 AM 12/22 | 10.02 | -999 |
| 11 AM 12/22 | 9.93 | -999 |
| 12 PM 12/22 | 9.84 | -999 |
| 1 PM 12/22 | 9.78 | -999 |
| 2 PM 12/22 | 9.81 | -999 |
| 3 PM 12/22 | 9.96 | -999 |
| 4 PM 12/22 | 10.16 | -999 |
| 5 PM 12/22 | 10.3 | -999 |
| 6 PM 12/22 | 10.35 | -999 |
| 7 PM 12/22 | 10.35 | -999 |
| 8 PM 12/22 | 10.3 | -999 |
| 9 PM 12/22 | 10.19 | -999 |
| 10 PM 12/22 | 10.05 | -999 |
| 11 PM 12/22 | 9.9 | -999 |
| 12 AM 12/23 | 9.74 | -999 |
| 1 AM 12/23 | 9.57 | -999 |
| 2 AM 12/23 | 9.41 | -999 |
| 3 AM 12/23 | 9.28 | -999 |
| 4 AM 12/23 | 9.23 | -999 |
| 5 AM 12/23 | 9.32 | -999 |
| 6 AM 12/23 | 9.51 | -999 |
| 7 AM 12/23 | 9.64 | -999 |
| 8 AM 12/23 | 9.67 | -999 |
| 9 AM 12/23 | 9.69 | -999 |
| 10 AM 12/23 | 9.67 | -999 |
| 11 AM 12/23 | 9.61 | -999 |
| 12 PM 12/23 | 9.52 | -999 |
| 1 PM 12/23 | 9.42 | -999 |
| 2 PM 12/23 | 9.37 | -999 |
| 3 PM 12/23 | 9.41 | -999 |
| 4 PM 12/23 | 9.57 | -999 |
| 5 PM 12/23 | 9.77 | -999 |
| 6 PM 12/23 | 9.92 | -999 |
| 7 PM 12/23 | 9.97 | -999 |
| 8 PM 12/23 | 9.98 | -999 |
| 9 PM 12/23 | 9.94 | -999 |
| 10 PM 12/23 | 9.84 | -999 |
| 11 PM 12/23 | 9.7 | -999 |
| 12 AM 12/24 | 9.55 | -999 |
| 1 AM 12/24 | 9.39 | -999 |
| 2 AM 12/24 | 9.23 | -999 |
| 3 AM 12/24 | 9.08 | -999 |
| 4 AM 12/24 | 8.99 | -999 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 9:12 PM 12/14 | 5.41 | -999 |
| 9:06 PM 12/14 | 5.42 | -999 |
| 8:48 PM 12/14 | 5.47 | -999 |
| 8:42 PM 12/14 | 5.48 | -999 |
| 8:36 PM 12/14 | 5.5 | -999 |
| 8:18 PM 12/14 | 5.54 | -999 |
| 8:12 PM 12/14 | 5.56 | -999 |
| 8:06 PM 12/14 | 5.58 | -999 |
| 7:48 PM 12/14 | 5.64 | -999 |
| 7:42 PM 12/14 | 5.66 | -999 |
| 7:36 PM 12/14 | 5.68 | -999 |
| 7:18 PM 12/14 | 5.74 | -999 |
| 7:12 PM 12/14 | 5.76 | -999 |
| 7:06 PM 12/14 | 5.78 | -999 |
| 6:48 PM 12/14 | 5.86 | -999 |
| 6:42 PM 12/14 | 5.88 | -999 |
| 6:36 PM 12/14 | 5.9 | -999 |
| 6:18 PM 12/14 | 5.97 | -999 |
| 6:12 PM 12/14 | 6 | -999 |
| 6:06 PM 12/14 | 6.02 | -999 |
| 5:54 PM 12/14 | 6.06 | -999 |
| 5:48 PM 12/14 | 6.08 | -999 |
| 5:42 PM 12/14 | 6.11 | -999 |
| 5:36 PM 12/14 | 6.13 | -999 |
| 5:24 PM 12/14 | 6.18 | -999 |
| 5:18 PM 12/14 | 6.2 | -999 |
| 5:12 PM 12/14 | 6.23 | -999 |
| 5:06 PM 12/14 | 6.25 | -999 |
| 4:54 PM 12/14 | 6.3 | -999 |
| 4:48 PM 12/14 | 6.32 | -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.
