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Cedar River (WA) at Renton
Critical Stages
10.4' - Action
13' - Flood
14.5' - Moderate
16' - Major
Latest Observation
Updated: 8:15 AM PST 12/6/25
Status: No Flooding
Stage: 8.57 ft
Flow: 0.539 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 10 AM 12/6 | 8.51 | 0.509 |
| 4 PM 12/6 | 8.5 | 0.504 |
| 10 PM 12/6 | 8.48 | 0.494 |
| 4 AM 12/7 | 8.47 | 0.489 |
| 10 AM 12/7 | 8.5 | 0.504 |
| 4 PM 12/7 | 8.61 | 0.56 |
| 10 PM 12/7 | 8.74 | 0.63 |
| 4 AM 12/8 | 8.8 | 0.665 |
| 10 AM 12/8 | 8.86 | 0.7 |
| 4 PM 12/8 | 9.08 | 0.837 |
| 10 PM 12/8 | 9.44 | 1.09 |
| 4 AM 12/9 | 9.79 | 1.38 |
| 10 AM 12/9 | 10.03 | 1.6 |
| 4 PM 12/9 | 10.16 | 1.72 |
| 10 PM 12/9 | 10.23 | 1.79 |
| 4 AM 12/10 | 10.33 | 1.89 |
| 10 AM 12/10 | 10.45 | 2.02 |
| 4 PM 12/10 | 11.12 | 2.66 |
| 10 PM 12/10 | 11.46 | 3 |
| 4 AM 12/11 | 11.64 | 3.18 |
| 10 AM 12/11 | 11.81 | 3.36 |
| 4 PM 12/11 | 12.02 | 3.59 |
| 10 PM 12/11 | 12.2 | 3.79 |
| 4 AM 12/12 | 12.35 | 3.96 |
| 10 AM 12/12 | 12.47 | 4.1 |
| 4 PM 12/12 | 12.56 | 4.21 |
| 10 PM 12/12 | 12.65 | 4.31 |
| 4 AM 12/13 | 12.74 | 4.42 |
| 10 AM 12/13 | 12.81 | 4.51 |
| 4 PM 12/13 | 12.66 | 4.32 |
| 10 PM 12/13 | 12.49 | 4.12 |
| 4 AM 12/14 | 12.32 | 3.92 |
| 10 AM 12/14 | 12.14 | 3.72 |
| 4 PM 12/14 | 12.03 | 3.6 |
| 10 PM 12/14 | 11.94 | 3.5 |
| 4 AM 12/15 | 11.87 | 3.42 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 8:15 AM 12/6 | 8.57 | 0.539 |
| 8:00 AM 12/6 | 8.56 | 0.534 |
| 7:45 AM 12/6 | 8.55 | 0.529 |
| 7:30 AM 12/6 | 8.55 | 0.529 |
| 7:15 AM 12/6 | 8.55 | 0.529 |
| 7:00 AM 12/6 | 8.56 | 0.534 |
| 6:45 AM 12/6 | 8.54 | 0.524 |
| 6:30 AM 12/6 | 8.54 | 0.524 |
| 6:15 AM 12/6 | 8.54 | 0.524 |
| 6:00 AM 12/6 | 8.53 | 0.519 |
| 5:45 AM 12/6 | 8.53 | 0.519 |
| 5:30 AM 12/6 | 8.53 | 0.519 |
| 5:15 AM 12/6 | 8.52 | 0.514 |
| 5:00 AM 12/6 | 8.52 | 0.514 |
| 4:45 AM 12/6 | 8.53 | 0.519 |
| 4:30 AM 12/6 | 8.53 | 0.519 |
| 4:15 AM 12/6 | 8.52 | 0.514 |
| 4:00 AM 12/6 | 8.52 | 0.514 |
| 3:45 AM 12/6 | 8.52 | 0.514 |
| 3:30 AM 12/6 | 8.53 | 0.519 |
| 3:15 AM 12/6 | 8.51 | 0.509 |
| 3:00 AM 12/6 | 8.53 | 0.519 |
| 2:45 AM 12/6 | 8.52 | 0.514 |
| 2:30 AM 12/6 | 8.52 | 0.514 |
| 2:15 AM 12/6 | 8.53 | 0.519 |
| 2:00 AM 12/6 | 8.53 | 0.519 |
| 1:45 AM 12/6 | 8.54 | 0.524 |
| 1:30 AM 12/6 | 8.54 | 0.524 |
| 1:15 AM 12/6 | 8.53 | 0.519 |
| 1:00 AM 12/6 | 8.53 | 0.519 |
16' -
the Cedar River will cause major flooding in Renton, especially at the Renton Airport. Flooding will occur all along the river including headwaters, tributaries, and other streams within and near the Cedar River Basin.
14.5' -
the Cedar River will flood areas of Renton including the Renton Airport.
13' -
the Cedar River will cause minor flooding along the river in Renton.
11.3' -
the Cedar River will locally overflow its banks, causing some areas of standing water, especially upstream of Maple Valley in the Dorre Don area.
| Date | Stage (ft) |
|---|---|
| Nov 24, 1990 | 17.13 |
| Jan 8, 2009 | 16.27 |
| Nov 30, 1995 | 16.04 |
| Feb 9, 1996 | 16 |
| Dec 4, 1975 | 14.14 |
| Jan 18, 2011 | 13.41 |
| Dec 9, 2015 | 13.4 |
| Jan 9, 1990 | 13.34 |
| Nov 24, 1986 | 13.23 |
| Nov 7, 2006 | 13.19 |
| Jan 2, 1997 | 12.8 |
| Mar 19, 1997 | 12.74 |
| Jan 25, 1984 | 12.63 |
| Dec 3, 1977 | 12.56 |
| Mar 11, 2014 | 12.49 |
| Feb 21, 1982 | 12.48 |
| Feb 19, 1995 | 12.43 |
| Nov 28, 1996 | 12.24 |
| Apr 23, 1996 | 12.12 |
| Nov 26, 1998 | 12.11 |
Data provided by the National Weather Service.
