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Siletz River at Siletz
Critical Stages
12' - Action
16' - Flood
20' - Moderate
25' - Major
Latest Observation
Updated: 10:30 PM PST 12/15/25
Status: No Flooding
Stage: 7.55 ft
Flow: 4.28 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 4 AM 12/16 | 7.17 | 3.81 |
| 10 AM 12/16 | 6.77 | 3.33 |
| 4 PM 12/16 | 6.6 | 3.14 |
| 10 PM 12/16 | 6.65 | 3.19 |
| 4 AM 12/17 | 7.06 | 3.67 |
| 10 AM 12/17 | 7.38 | 4.06 |
| 4 PM 12/17 | 7.34 | 4.01 |
| 10 PM 12/17 | 7.14 | 3.77 |
| 4 AM 12/18 | 6.97 | 3.56 |
| 10 AM 12/18 | 7.34 | 4.01 |
| 4 PM 12/18 | 9.2 | 6.54 |
| 10 PM 12/18 | 11.43 | 10 |
| 4 AM 12/19 | 11.72 | 10.5 |
| 10 AM 12/19 | 10.82 | 9.02 |
| 4 PM 12/19 | 10.04 | 7.78 |
| 10 PM 12/19 | 9.53 | 7.02 |
| 4 AM 12/20 | 9.08 | 6.36 |
| 10 AM 12/20 | 8.7 | 5.82 |
| 4 PM 12/20 | 8.37 | 5.36 |
| 10 PM 12/20 | 8.08 | 4.97 |
| 4 AM 12/21 | 7.83 | 4.64 |
| 10 AM 12/21 | 7.6 | 4.34 |
| 4 PM 12/21 | 7.44 | 4.14 |
| 10 PM 12/21 | 7.36 | 4.04 |
| 4 AM 12/22 | 7.31 | 3.98 |
| 10 AM 12/22 | 7.31 | 3.98 |
| 4 PM 12/22 | 7.37 | 4.05 |
| 10 PM 12/22 | 7.46 | 4.16 |
| 4 AM 12/23 | 7.47 | 4.18 |
| 10 AM 12/23 | 7.4 | 4.09 |
| 4 PM 12/23 | 7.28 | 3.94 |
| 10 PM 12/23 | 7.15 | 3.78 |
| 4 AM 12/24 | 7.03 | 3.64 |
| 10 AM 12/24 | 6.96 | 3.55 |
| 4 PM 12/24 | 6.94 | 3.53 |
| 10 PM 12/24 | 6.89 | 3.47 |
| 4 AM 12/25 | 6.81 | 3.37 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10:30 PM 12/15 | 7.55 | 4.28 |
| 10:15 PM 12/15 | 7.57 | 4.3 |
| 10:00 PM 12/15 | 7.58 | 4.32 |
| 9:45 PM 12/15 | 7.59 | 4.33 |
| 9:30 PM 12/15 | 7.6 | 4.34 |
| 9:15 PM 12/15 | 7.61 | 4.35 |
| 9:00 PM 12/15 | 7.62 | 4.37 |
| 8:45 PM 12/15 | 7.63 | 4.38 |
| 8:30 PM 12/15 | 7.63 | 4.38 |
| 8:15 PM 12/15 | 7.64 | 4.39 |
| 8:00 PM 12/15 | 7.64 | 4.39 |
| 7:45 PM 12/15 | 7.65 | 4.41 |
| 7:30 PM 12/15 | 7.64 | 4.39 |
| 7:15 PM 12/15 | 7.64 | 4.39 |
| 7:00 PM 12/15 | 7.64 | 4.39 |
| 6:45 PM 12/15 | 7.63 | 4.38 |
| 6:30 PM 12/15 | 7.62 | 4.37 |
| 6:15 PM 12/15 | 7.61 | 4.35 |
| 6:00 PM 12/15 | 7.59 | 4.33 |
| 5:45 PM 12/15 | 7.58 | 4.32 |
| 5:30 PM 12/15 | 7.55 | 4.28 |
| 5:15 PM 12/15 | 7.53 | 4.25 |
| 5:00 PM 12/15 | 7.49 | 4.2 |
| 4:45 PM 12/15 | 7.46 | 4.16 |
| 4:30 PM 12/15 | 7.42 | 4.11 |
| 4:15 PM 12/15 | 7.38 | 4.06 |
| 4:00 PM 12/15 | 7.33 | 4 |
| 3:45 PM 12/15 | 7.29 | 3.95 |
| 3:30 PM 12/15 | 7.24 | 3.89 |
| 3:15 PM 12/15 | 7.19 | 3.83 |
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.
