RIVER GAUGE · CEDAR RIVER (WA)
Cedar River (WA) at Renton
King County, Washington
Water level8.15 ft
Flow180 cfs
Last readingSep 16, 2026, 4:15 PM UTC (last recorded)
Action10.4 ft
Minor flood13 ft
Moderate flood14.5 ft
Major flood16 ft
The past week
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What floods at each level
- 16 ft
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 ft
the Cedar River will flood areas of Renton including the Renton Airport.
- 13 ft
the Cedar River will cause minor flooding along the river in Renton.
- 11.3 ft
the Cedar River will locally overflow its banks, causing some areas of standing water, especially upstream of Maple Valley in the Dorre Don area.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Nov 23, 1990 | 17.13 ft | 10,600 cfs |
| Jan 8, 2009 | 16.27 ft | 9,390 cfs |
| Nov 30, 1995 | 16.04 ft | 7,650 cfs |
More on Cedar River (WA)
UpstreamCedar River (WA) near Landsburg
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