River stage
Renton, Cedar River
- River level
- 8.57 ft
- Status
- Below flood stage
- 7-day change
- +0.16 ft
- Recent high
- 8.79 ft
- Recent low
- 7.90 ft
Last reported 2026-10-13 | NWS RNTW1
- 30-day change
- +0.46 ft
- Average
- 8.21 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 17.13 ft
In brief
The Cedar River at Renton, WA read 8.57 ft on Oct 13, 2026, 1.83 ft below action stage. That is 0.46 ft higher than 30 days earlier.
Source: National Weather Service gauge RNTW1
Water 52 °F (11 °C) · about normal for this date
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 17.13 ft | 1990-11-24 |
| 2 | 16.27 ft | 2009-01-08 |
| 3 | 16.04 ft | 1995-11-30 |
| 4 | 16.00 ft | 1996-02-09 |
| 5 | 14.14 ft | 1975-12-04 |
| 6 | 13.41 ft | 2011-01-18 |
| 7 | 13.40 ft | 2015-12-09 |
| 8 | 13.34 ft | 1990-01-09 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 11.30 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.
- 13.00 ft
the Cedar River will cause minor flooding along the river in Renton.
- 14.50 ft
the Cedar River will flood areas of Renton including the Renton Airport.
- 16.00 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.
Written by the local National Weather Service forecast office for this exact gauge.
Trout stocking on the Cedar River
WDFW stocked the Cedar River 62 times in 2026, 5,718,203 fish in total. Sockeye and Coho at Emergent fry and Fry.
| Species | Fish | When |
|---|---|---|
| Sockeye | 158,743 | February 2026 |
| Sockeye | 135,595 | February 2026 |
| Sockeye | 151,601 | February 2026 |
| Sockeye | 157,585 | February 2026 |
| Sockeye | 135,418 | February 2026 |
| Sockeye | 128,781 | February 2026 |
| Sockeye | 129,062 | March 2026 |
| Sockeye | 149,068 | March 2026 |
| Sockeye | 162,756 | March 2026 |
| Sockeye | 143,527 | March 2026 |
| Sockeye | 119,850 | March 2026 |
| Sockeye | 120,385 | March 2026 |
| Sockeye | 66,710 | March 2026 |
| Sockeye | 124,701 | March 2026 |
| Sockeye | 125,330 | March 2026 |
| Sockeye | 79,041 | March 2026 |
| Sockeye | 137,965 | March 2026 |
| Sockeye | 162,012 | March 2026 |
| Sockeye | 104,161 | March 2026 |
| Sockeye | 118,873 | March 2026 |
| Sockeye | 132,544 | March 2026 |
| Sockeye | 119,305 | March 2026 |
| Sockeye | 161,127 | March 2026 |
| Sockeye | 135,148 | March 2026 |
| Sockeye | 142,218 | March 2026 |
| Sockeye | 136,918 | March 2026 |
| Sockeye | 127,360 | March 2026 |
| Sockeye | 101,247 | March 2026 |
| Coho | 190 | March 2026 |
| Sockeye | 64,389 | March 2026 |
| Sockeye | 123,367 | March 2026 |
| Sockeye | 121,606 | March 2026 |
| Sockeye | 107,008 | March 2026 |
| Sockeye | 173,940 | March 2026 |
| Sockeye | 168,551 | March 2026 |
| Sockeye | 126,200 | March 2026 |
| Sockeye | 141,607 | March 2026 |
| Sockeye | 95,309 | March 2026 |
| Sockeye | 103,557 | April 2026 |
| Sockeye | 85,206 | April 2026 |
| Sockeye | 119,181 | April 2026 |
| Sockeye | 105,911 | April 2026 |
| Sockeye | 18,840 | April 2026 |
| Sockeye | 18,489 | April 2026 |
| Sockeye | 59,883 | May 2026 |
| Sockeye | 17,509 | May 2026 |
| Sockeye | 18,036 | May 2026 |
| Sockeye | 13,785 | May 2026 |
| Sockeye | 18,322 | May 2026 |
| Sockeye | 18,112 | May 2026 |
| Sockeye | 18,591 | May 2026 |
| Sockeye | 5,000 | May 2026 |
| Sockeye | 18,154 | May 2026 |
| Sockeye | 17,755 | May 2026 |
| Sockeye | 18,828 | May 2026 |
| Sockeye | 33,136 | May 2026 |
| Sockeye | 18,793 | May 2026 |
| Sockeye | 127,985 | May 2026 |
| Sockeye | 18,119 | May 2026 |
| Sockeye | 18,762 | May 2026 |
| Sockeye | 18,056 | May 2026 |
| Sockeye | 18,995 | May 2026 |
WDFW lists a week or a month rather than a date, and counts fish as an estimate. Full Washington stocking schedule →
Frequently asked questions
Is the Cedar River flooding at Renton?
No. The Cedar River at Renton is at 8.57 ft, 1.83 ft below action stage.
What is the flood stage at Renton?
The National Weather Service sets action stage 10.4 ft, minor flooding 13 ft, moderate flooding 14.5 ft and major flooding 16 ft.
What is the highest the Cedar River has been at Renton?
The highest crest on record is 17.13 ft, on 1990-11-24.
Is the Cedar River high or low right now at Renton?
At 8.57 ft it is higher than 89% of readings over the last 122 days.
How warm is the water at Renton, Cedar River?
The water temperature at Renton, Cedar River is 52 °F (10.9 °C), measured 7:15 pm by USGS, which is about average for this date over the past ten years. It has held steady over the last 24 hours.
Stage and flood information from the NOAA National Weather Service (gauge RNTW1); daily history from the U.S. Geological Survey (site 12119000). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.