Columbia River at St. Helens
Critical Stages
14.5' - Action
15.5' - Flood
18' - Moderate
21' - Major
Latest Observation
Updated: 9:18 PM PST 12/5/25
Status: No Flooding
Stage: 5.46 ft
Flow: -999 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10 PM 12/5 | 4.93 | -999 |
| 11 PM 12/5 | 4.53 | -999 |
| 12 AM 12/6 | 4.14 | -999 |
| 1 AM 12/6 | 3.85 | -999 |
| 2 AM 12/6 | 3.8 | -999 |
| 3 AM 12/6 | 4.17 | -999 |
| 4 AM 12/6 | 5.03 | -999 |
| 5 AM 12/6 | 5.78 | -999 |
| 6 AM 12/6 | 5.98 | -999 |
| 7 AM 12/6 | 5.83 | -999 |
| 8 AM 12/6 | 5.64 | -999 |
| 9 AM 12/6 | 5.42 | -999 |
| 10 AM 12/6 | 4.84 | -999 |
| 11 AM 12/6 | 4.5 | -999 |
| 12 PM 12/6 | 4.24 | -999 |
| 1 PM 12/6 | 4.41 | -999 |
| 2 PM 12/6 | 5.17 | -999 |
| 3 PM 12/6 | 6.48 | -999 |
| 4 PM 12/6 | 7.24 | -999 |
| 5 PM 12/6 | 7.33 | -999 |
| 6 PM 12/6 | 7.02 | -999 |
| 7 PM 12/6 | 6.7 | -999 |
| 8 PM 12/6 | 6.38 | -999 |
| 9 PM 12/6 | 6.01 | -999 |
| 10 PM 12/6 | 5.62 | -999 |
| 11 PM 12/6 | 5.23 | -999 |
| 12 AM 12/7 | 4.85 | -999 |
| 1 AM 12/7 | 4.49 | -999 |
| 2 AM 12/7 | 4.24 | -999 |
| 3 AM 12/7 | 4.24 | -999 |
| 4 AM 12/7 | 4.64 | -999 |
| 5 AM 12/7 | 5.43 | -999 |
| 6 AM 12/7 | 6.05 | -999 |
| 7 AM 12/7 | 6.2 | -999 |
| 8 AM 12/7 | 6.1 | -999 |
| 9 AM 12/7 | 5.94 | -999 |
| 10 AM 12/7 | 5.72 | -999 |
| 11 AM 12/7 | 5.45 | -999 |
| 12 PM 12/7 | 5.19 | -999 |
| 1 PM 12/7 | 5.07 | -999 |
| 2 PM 12/7 | 5.24 | -999 |
| 3 PM 12/7 | 5.97 | -999 |
| 4 PM 12/7 | 6.97 | -999 |
| 5 PM 12/7 | 7.54 | -999 |
| 6 PM 12/7 | 7.49 | -999 |
| 7 PM 12/7 | 7.19 | -999 |
| 8 PM 12/7 | 6.9 | -999 |
| 9 PM 12/7 | 6.56 | -999 |
| 10 PM 12/7 | 6.18 | -999 |
| 11 PM 12/7 | 5.8 | -999 |
| 12 AM 12/8 | 5.43 | -999 |
| 1 AM 12/8 | 5.06 | -999 |
| 2 AM 12/8 | 4.74 | -999 |
| 3 AM 12/8 | 4.54 | -999 |
| 4 AM 12/8 | 4.64 | -999 |
| 5 AM 12/8 | 5.15 | -999 |
| 6 AM 12/8 | 5.93 | -999 |
| 7 AM 12/8 | 6.44 | -999 |
| 8 AM 12/8 | 6.5 | -999 |
| 9 AM 12/8 | 6.39 | -999 |
| 10 AM 12/8 | 6.21 | -999 |
| 11 AM 12/8 | 5.96 | -999 |
| 12 PM 12/8 | 5.69 | -999 |
| 1 PM 12/8 | 5.44 | -999 |
| 2 PM 12/8 | 5.34 | -999 |
| 3 PM 12/8 | 5.55 | -999 |
| 4 PM 12/8 | 6.27 | -999 |
| 5 PM 12/8 | 7.14 | -999 |
| 6 PM 12/8 | 7.56 | -999 |
| 7 PM 12/8 | 7.46 | -999 |
| 8 PM 12/8 | 7.21 | -999 |
| 9 PM 12/8 | 6.95 | -999 |
| 10 PM 12/8 | 6.66 | -999 |
| 11 PM 12/8 | 6.33 | -999 |
| 12 AM 12/9 | 6.01 | -999 |
| 1 AM 12/9 | 5.7 | -999 |
| 2 AM 12/9 | 5.42 | -999 |
| 3 AM 12/9 | 5.2 | -999 |
| 4 AM 12/9 | 5.12 | -999 |
| 5 AM 12/9 | 5.36 | -999 |
| 6 AM 12/9 | 5.97 | -999 |
| 7 AM 12/9 | 6.66 | -999 |
| 8 AM 12/9 | 7.01 | -999 |
| 9 AM 12/9 | 7.05 | -999 |
| 10 AM 12/9 | 6.97 | -999 |
| 11 AM 12/9 | 6.81 | -999 |
| 12 PM 12/9 | 6.62 | -999 |
| 1 PM 12/9 | 6.43 | -999 |
| 2 PM 12/9 | 6.28 | -999 |
| 3 PM 12/9 | 6.25 | -999 |
| 4 PM 12/9 | 6.5 | -999 |
| 5 PM 12/9 | 7.09 | -999 |
| 6 PM 12/9 | 7.73 | -999 |
| 7 PM 12/9 | 8.04 | -999 |
| 8 PM 12/9 | 8.05 | -999 |
| 9 PM 12/9 | 7.94 | -999 |
| 10 PM 12/9 | 7.76 | -999 |
| 11 PM 12/9 | 7.58 | -999 |
| 12 AM 12/10 | 7.41 | -999 |
| 1 AM 12/10 | 7.23 | -999 |
| 2 AM 12/10 | 7.06 | -999 |
| 3 AM 12/10 | 6.92 | -999 |
| 4 AM 12/10 | 6.83 | -999 |
| 5 AM 12/10 | 6.88 | -999 |
| 6 AM 12/10 | 7.21 | -999 |
| 7 AM 12/10 | 7.79 | -999 |
| 8 AM 12/10 | 8.33 | -999 |
| 9 AM 12/10 | 8.61 | -999 |
| 10 AM 12/10 | 8.65 | -999 |
| 11 AM 12/10 | 8.58 | -999 |
| 12 PM 12/10 | 8.46 | -999 |
| 1 PM 12/10 | 8.33 | -999 |
| 2 PM 12/10 | 8.19 | -999 |
| 3 PM 12/10 | 8.07 | -999 |
| 4 PM 12/10 | 8 | -999 |
| 5 PM 12/10 | 8.06 | -999 |
| 6 PM 12/10 | 8.3 | -999 |
| 7 PM 12/10 | 8.62 | -999 |
| 8 PM 12/10 | 8.79 | -999 |
| 9 PM 12/10 | 8.8 | -999 |
| 10 PM 12/10 | 8.74 | -999 |
| 11 PM 12/10 | 8.66 | -999 |
| 12 AM 12/11 | 8.58 | -999 |
| 1 AM 12/11 | 8.49 | -999 |
| 2 AM 12/11 | 8.38 | -999 |
| 3 AM 12/11 | 8.27 | -999 |
| 4 AM 12/11 | 8.15 | -999 |
| 5 AM 12/11 | 8.07 | -999 |
| 6 AM 12/11 | 8.05 | -999 |
| 7 AM 12/11 | 8.19 | -999 |
| 8 AM 12/11 | 8.43 | -999 |
| 9 AM 12/11 | 8.68 | -999 |
| 10 AM 12/11 | 8.76 | -999 |
| 11 AM 12/11 | 8.72 | -999 |
| 12 PM 12/11 | 8.63 | -999 |
| 1 PM 12/11 | 8.51 | -999 |
| 2 PM 12/11 | 8.37 | -999 |
| 3 PM 12/11 | 8.21 | -999 |
| 4 PM 12/11 | 8.05 | -999 |
| 5 PM 12/11 | 7.9 | -999 |
| 6 PM 12/11 | 7.8 | -999 |
| 7 PM 12/11 | 7.78 | -999 |
| 8 PM 12/11 | 7.84 | -999 |
| 9 PM 12/11 | 7.91 | -999 |
| 10 PM 12/11 | 7.92 | -999 |
| 11 PM 12/11 | 7.88 | -999 |
| 12 AM 12/12 | 7.82 | -999 |
| 1 AM 12/12 | 7.76 | -999 |
| 2 AM 12/12 | 7.68 | -999 |
| 3 AM 12/12 | 7.58 | -999 |
| 4 AM 12/12 | 7.48 | -999 |
| 5 AM 12/12 | 7.38 | -999 |
| 6 AM 12/12 | 7.33 | -999 |
| 7 AM 12/12 | 7.38 | -999 |
| 8 AM 12/12 | 7.58 | -999 |
| 9 AM 12/12 | 7.91 | -999 |
| 10 AM 12/12 | 8.15 | -999 |
| 11 AM 12/12 | 8.22 | -999 |
| 12 PM 12/12 | 8.14 | -999 |
| 1 PM 12/12 | 8.01 | -999 |
| 2 PM 12/12 | 7.85 | -999 |
| 3 PM 12/12 | 7.67 | -999 |
| 4 PM 12/12 | 7.48 | -999 |
| 5 PM 12/12 | 7.3 | -999 |
| 6 PM 12/12 | 7.13 | -999 |
| 7 PM 12/12 | 7 | -999 |
| 8 PM 12/12 | 6.94 | -999 |
| 9 PM 12/12 | 6.98 | -999 |
| 10 PM 12/12 | 7.08 | -999 |
| 11 PM 12/12 | 7.2 | -999 |
| 12 AM 12/13 | 7.25 | -999 |
| 1 AM 12/13 | 7.23 | -999 |
| 2 AM 12/13 | 7.18 | -999 |
| 3 AM 12/13 | 7.12 | -999 |
| 4 AM 12/13 | 7.06 | -999 |
| 5 AM 12/13 | 6.99 | -999 |
| 6 AM 12/13 | 6.91 | -999 |
| 7 AM 12/13 | 6.87 | -999 |
| 8 AM 12/13 | 6.98 | -999 |
| 9 AM 12/13 | 7.33 | -999 |
| 10 AM 12/13 | 7.76 | -999 |
| 11 AM 12/13 | 8.02 | -999 |
| 12 PM 12/13 | 8.04 | -999 |
| 1 PM 12/13 | 7.91 | -999 |
| 2 PM 12/13 | 7.74 | -999 |
| 3 PM 12/13 | 7.54 | -999 |
| 4 PM 12/13 | 7.31 | -999 |
| 5 PM 12/13 | 7.07 | -999 |
| 6 PM 12/13 | 6.83 | -999 |
| 7 PM 12/13 | 6.61 | -999 |
| 8 PM 12/13 | 6.43 | -999 |
| 9 PM 12/13 | 6.34 | -999 |
| 10 PM 12/13 | 6.41 | -999 |
| 11 PM 12/13 | 6.59 | -999 |
| 12 AM 12/14 | 6.74 | -999 |
| 1 AM 12/14 | 6.79 | -999 |
| 2 AM 12/14 | 6.76 | -999 |
| 3 AM 12/14 | 6.7 | -999 |
| 4 AM 12/14 | 6.62 | -999 |
| 5 AM 12/14 | 6.53 | -999 |
| 6 AM 12/14 | 6.42 | -999 |
| 7 AM 12/14 | 6.33 | -999 |
| 8 AM 12/14 | 6.33 | -999 |
| 9 AM 12/14 | 6.53 | -999 |
| 10 AM 12/14 | 6.94 | -999 |
| 11 AM 12/14 | 7.39 | -999 |
| 12 PM 12/14 | 7.63 | -999 |
| 1 PM 12/14 | 7.65 | -999 |
| 2 PM 12/14 | 7.49 | -999 |
| 3 PM 12/14 | 7.25 | -999 |
| 4 PM 12/14 | 7 | -999 |
| 5 PM 12/14 | 6.74 | -999 |
| 6 PM 12/14 | 6.46 | -999 |
| 7 PM 12/14 | 6.19 | -999 |
| 8 PM 12/14 | 5.93 | -999 |
| 9 PM 12/14 | 5.73 | -999 |
| 10 PM 12/14 | 5.66 | -999 |
| 11 PM 12/14 | 5.8 | -999 |
| 12 AM 12/15 | 6.07 | -999 |
| 1 AM 12/15 | 6.28 | -999 |
| 2 AM 12/15 | 6.35 | -999 |
| 3 AM 12/15 | 6.29 | -999 |
| 4 AM 12/15 | 6.19 | -999 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 9:18 PM 12/5 | 5.46 | -999 |
| 9:12 PM 12/5 | 5.49 | -999 |
| 9:06 PM 12/5 | 5.53 | -999 |
| 8:48 PM 12/5 | 5.66 | -999 |
| 8:42 PM 12/5 | 5.71 | -999 |
| 8:36 PM 12/5 | 5.75 | -999 |
| 8:30 PM 12/5 | 5.79 | -999 |
| 8:24 PM 12/5 | 5.84 | -999 |
| 8:18 PM 12/5 | 5.89 | -999 |
| 8:12 PM 12/5 | 5.93 | -999 |
| 8:06 PM 12/5 | 5.98 | -999 |
| 7:48 PM 12/5 | 6.11 | -999 |
| 7:42 PM 12/5 | 6.15 | -999 |
| 7:36 PM 12/5 | 6.2 | -999 |
| 7:30 PM 12/5 | 6.23 | -999 |
| 7:24 PM 12/5 | 6.28 | -999 |
| 7:18 PM 12/5 | 6.34 | -999 |
| 7:12 PM 12/5 | 6.35 | -999 |
| 7:06 PM 12/5 | 6.41 | -999 |
| 6:54 PM 12/5 | 6.43 | -999 |
| 6:48 PM 12/5 | 6.5 | -999 |
| 6:42 PM 12/5 | 6.52 | -999 |
| 6:36 PM 12/5 | 6.56 | -999 |
| 6:30 PM 12/5 | 6.58 | -999 |
| 6:24 PM 12/5 | 6.62 | -999 |
| 6:18 PM 12/5 | 6.65 | -999 |
| 6:12 PM 12/5 | 6.69 | -999 |
| 6:06 PM 12/5 | 6.73 | -999 |
| 5:54 PM 12/5 | 6.82 | -999 |
| 5:48 PM 12/5 | 6.86 | -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.
