Siletz River at Siletz
Critical Stages
12' - Action
16' - Flood
20' - Moderate
25' - Major
Latest Observation
Updated: 12:30 AM PST 12/10/25
Status: Minor
Stage: 18.58 ft
Flow: 24.8 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 4 AM 12/10 | 15.48 | 17.8 |
| 10 AM 12/10 | 12.73 | 12.3 |
| 4 PM 12/10 | 11.18 | 9.61 |
| 10 PM 12/10 | 10.33 | 8.24 |
| 4 AM 12/11 | 10.11 | 7.89 |
| 10 AM 12/11 | 10.23 | 8.08 |
| 4 PM 12/11 | 9.62 | 7.15 |
| 10 PM 12/11 | 9.12 | 6.42 |
| 4 AM 12/12 | 8.7 | 5.82 |
| 10 AM 12/12 | 8.32 | 5.29 |
| 4 PM 12/12 | 7.97 | 4.83 |
| 10 PM 12/12 | 7.66 | 4.42 |
| 4 AM 12/13 | 7.38 | 4.06 |
| 10 AM 12/13 | 7.13 | 3.76 |
| 4 PM 12/13 | 6.9 | 3.48 |
| 10 PM 12/13 | 6.72 | 3.27 |
| 4 AM 12/14 | 6.62 | 3.16 |
| 10 AM 12/14 | 6.6 | 3.14 |
| 4 PM 12/14 | 6.59 | 3.12 |
| 10 PM 12/14 | 6.51 | 3.04 |
| 4 AM 12/15 | 6.41 | 2.93 |
| 10 AM 12/15 | 6.45 | 2.97 |
| 4 PM 12/15 | 6.76 | 3.32 |
| 10 PM 12/15 | 7.12 | 3.74 |
| 4 AM 12/16 | 7.28 | 3.94 |
| 10 AM 12/16 | 7.21 | 3.85 |
| 4 PM 12/16 | 7.06 | 3.67 |
| 10 PM 12/16 | 6.93 | 3.52 |
| 4 AM 12/17 | 6.82 | 3.39 |
| 10 AM 12/17 | 6.75 | 3.3 |
| 4 PM 12/17 | 6.76 | 3.32 |
| 10 PM 12/17 | 6.9 | 3.48 |
| 4 AM 12/18 | 7.12 | 3.74 |
| 10 AM 12/18 | 7.34 | 4.01 |
| 4 PM 12/18 | 7.55 | 4.28 |
| 10 PM 12/18 | 7.82 | 4.63 |
| 4 AM 12/19 | 8.1 | 5 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 12:30 AM 12/10 | 18.58 | 24.8 |
| 12:15 AM 12/10 | 18.67 | 25 |
| 12:00 AM 12/10 | 18.76 | 25.2 |
| 11:45 PM 12/9 | 18.86 | 25.4 |
| 11:30 PM 12/9 | 18.95 | 25.7 |
| 11:15 PM 12/9 | 19.04 | 25.9 |
| 11:00 PM 12/9 | 19.11 | 26 |
| 10:45 PM 12/9 | 19.19 | 26.2 |
| 10:30 PM 12/9 | 19.27 | 26.4 |
| 10:15 PM 12/9 | 19.33 | 26.6 |
| 10:00 PM 12/9 | 19.4 | 26.8 |
| 9:45 PM 12/9 | 19.45 | 26.9 |
| 9:30 PM 12/9 | 19.48 | 27 |
| 9:15 PM 12/9 | 19.51 | 27 |
| 9:00 PM 12/9 | 19.54 | 27.1 |
| 8:45 PM 12/9 | 19.57 | 27.2 |
| 8:30 PM 12/9 | 19.57 | 27.2 |
| 8:15 PM 12/9 | 19.57 | 27.2 |
| 8:00 PM 12/9 | 19.53 | 27.1 |
| 7:45 PM 12/9 | 19.48 | 27 |
| 7:30 PM 12/9 | 19.44 | 26.9 |
| 7:15 PM 12/9 | 19.41 | 26.8 |
| 7:00 PM 12/9 | 19.34 | 26.6 |
| 6:45 PM 12/9 | 19.29 | 26.5 |
| 6:30 PM 12/9 | 19.22 | 26.3 |
| 6:15 PM 12/9 | 19.13 | 26.1 |
| 6:00 PM 12/9 | 19.06 | 25.9 |
| 5:45 PM 12/9 | 18.96 | 25.7 |
| 5:30 PM 12/9 | 18.89 | 25.5 |
| 5:15 PM 12/9 | 18.78 | 25.2 |
25' -
expect major flooding, with evacuations of residences and areas along the Siletz between mile post 2.5 and mile post 5 on State Highway 229 near Sunset Landing downstream to Coyote Rock. Stay tuned to local media sources and law enforcement information for details.
20' -
expect widespread flooding downstream. Increased flooding can be expected in the housing development downstream from Mack Landing. Numerous private roads and a trailor park between mile post 2.5 and mile post 5 near Sunset Landing to Coyote Rock are flooded. Flooding may be exacerbated during high tide.
18' -
expect minor flooding of a small housing development near mile post 8 down stream from Mack Landing. Widespread lowland and pasture land flooding also occurs at this level. Flooding may be exacerbated during high tide.
16' -
expect minor lowland flooding and minor flooding of some structures and roads along the Siletz River. Flooding may be exacerbated during high tide.
| Date | Stage (ft) |
|---|---|
| Nov 20, 1921 | 31.6 |
| Nov 26, 1999 | 28.62 |
| Jan 28, 1965 | 27.32 |
| Mar 31, 1931 | 26.71 |
| Jan 11, 1972 | 25.76 |
| Dec 22, 1964 | 25.74 |
| Feb 17, 1949 | 25.17 |
| Dec 28, 1998 | 24.72 |
| Dec 28, 1998 | 24.7 |
| Nov 22, 1909 | 24.6 |
| Dec 15, 1946 | 24.53 |
| Feb 7, 1996 | 24.49 |
| Dec 27, 1937 | 23.83 |
| Dec 6, 1933 | 23.8 |
| Nov 20, 1962 | 23.4 |
| Dec 25, 1980 | 22.95 |
| Nov 7, 2006 | 22.95 |
| Nov 25, 1927 | 22.6 |
| Jan 18, 1953 | 22.26 |
| Nov 24, 1960 | 22.12 |
Data provided by the National Weather Service.
