Siletz River at Siletz
Critical Stages
12' - Action
16' - Flood
20' - Moderate
25' - Major
Latest Observation
Updated: 12:30 AM PST 12/13/25
Status: No Flooding
Stage: 8.03 ft
Flow: 4.9 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 4 AM 12/13 | 7.59 | 4.33 |
| 10 AM 12/13 | 7.12 | 3.74 |
| 4 PM 12/13 | 6.66 | 3.2 |
| 10 PM 12/13 | 6.46 | 2.98 |
| 4 AM 12/14 | 6.3 | 2.81 |
| 10 AM 12/14 | 6.16 | 2.66 |
| 4 PM 12/14 | 6.07 | 2.57 |
| 10 PM 12/14 | 6.01 | 2.51 |
| 4 AM 12/15 | 5.93 | 2.43 |
| 10 AM 12/15 | 6.19 | 2.69 |
| 4 PM 12/15 | 6.73 | 3.28 |
| 10 PM 12/15 | 6.97 | 3.56 |
| 4 AM 12/16 | 6.99 | 3.59 |
| 10 AM 12/16 | 7 | 3.6 |
| 4 PM 12/16 | 7.19 | 3.83 |
| 10 PM 12/16 | 7.46 | 4.16 |
| 4 AM 12/17 | 7.6 | 4.34 |
| 10 AM 12/17 | 7.54 | 4.27 |
| 4 PM 12/17 | 7.41 | 4.1 |
| 10 PM 12/17 | 7.39 | 4.08 |
| 4 AM 12/18 | 7.5 | 4.22 |
| 10 AM 12/18 | 7.76 | 4.55 |
| 4 PM 12/18 | 8.18 | 5.11 |
| 10 PM 12/18 | 8.68 | 5.79 |
| 4 AM 12/19 | 9.24 | 6.59 |
| 10 AM 12/19 | 9.77 | 7.37 |
| 4 PM 12/19 | 9.79 | 7.4 |
| 10 PM 12/19 | 9.34 | 6.74 |
| 4 AM 12/20 | 8.99 | 6.23 |
| 10 AM 12/20 | 8.71 | 5.83 |
| 4 PM 12/20 | 8.48 | 5.51 |
| 10 PM 12/20 | 8.28 | 5.24 |
| 4 AM 12/21 | 8.16 | 5.08 |
| 10 AM 12/21 | 8.13 | 5.04 |
| 4 PM 12/21 | 8.09 | 4.98 |
| 10 PM 12/21 | 7.95 | 4.8 |
| 4 AM 12/22 | 7.86 | 4.68 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 12:30 AM 12/13 | 8.03 | 4.9 |
| 12:15 AM 12/13 | 8.04 | 4.92 |
| 12:00 AM 12/13 | 8.07 | 4.96 |
| 11:45 PM 12/12 | 8.08 | 4.97 |
| 11:30 PM 12/12 | 8.09 | 4.98 |
| 11:15 PM 12/12 | 8.11 | 5.01 |
| 11:00 PM 12/12 | 8.12 | 5.02 |
| 10:45 PM 12/12 | 8.14 | 5.05 |
| 10:30 PM 12/12 | 8.16 | 5.08 |
| 10:15 PM 12/12 | 8.17 | 5.09 |
| 10:00 PM 12/12 | 8.19 | 5.12 |
| 9:45 PM 12/12 | 8.2 | 5.13 |
| 9:30 PM 12/12 | 8.22 | 5.16 |
| 9:15 PM 12/12 | 8.23 | 5.17 |
| 9:00 PM 12/12 | 8.25 | 5.2 |
| 8:45 PM 12/12 | 8.27 | 5.23 |
| 8:30 PM 12/12 | 8.29 | 5.25 |
| 8:15 PM 12/12 | 8.3 | 5.27 |
| 8:00 PM 12/12 | 8.32 | 5.29 |
| 7:45 PM 12/12 | 8.34 | 5.32 |
| 7:30 PM 12/12 | 8.35 | 5.33 |
| 7:15 PM 12/12 | 8.37 | 5.36 |
| 7:00 PM 12/12 | 8.38 | 5.38 |
| 6:45 PM 12/12 | 8.4 | 5.4 |
| 6:30 PM 12/12 | 8.42 | 5.43 |
| 6:15 PM 12/12 | 8.44 | 5.46 |
| 6:00 PM 12/12 | 8.45 | 5.47 |
| 5:45 PM 12/12 | 8.47 | 5.5 |
| 5:30 PM 12/12 | 8.49 | 5.53 |
| 5:15 PM 12/12 | 8.5 | 5.54 |
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 |
| Nov 7, 2006 | 22.95 |
| Dec 25, 1980 | 22.95 |
| Nov 25, 1927 | 22.6 |
| Jan 18, 1953 | 22.26 |
| Nov 24, 1960 | 22.12 |
Data provided by the National Weather Service.
