River stage
Corvallis, Willamette River
- River level
- 10.05 ft
- Status
- Below flood stage
- 7-day change
- +0.11 ft
- Recent high
- 10.91 ft
- Recent low
- 9.69 ft
Last reported 2026-10-13 | NWS CORO3
- 30-day change
- +0.13 ft
- Average
- 9.95 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 42.40 ft
In brief
The Willamette River at Corvallis, OR read 10.05 ft on Oct 13, 2026, 15.95 ft below action stage. That is 0.13 ft higher than 30 days earlier.
Source: National Weather Service gauge CORO3
Water 57 °F (14 °C) · 2 °F cooler than normal for this date
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 42.40 ft | 1861-12-01 |
| 2 | 38.20 ft | 1945-12-29 |
| 3 | 38.10 ft | 1943-01-02 |
| 4 | 36.80 ft | 1948-01-08 |
| 5 | 36.20 ft | 1953-01-19 |
| 6 | 36.00 ft | 1964-12-24 |
| 7 | 36.00 ft | 1964-12-23 |
| 8 | 35.90 ft | 1961-02-11 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 26.00 ft
the river is at bankfull level and may spill out of its banks at some locations between Harrisburg and Albany.
- 28.00 ft
expect flooding of some river island access roads and secondary roads east of Corvallis.
- 30.00 ft
expect extensive flooding of low-lying agricultural land east and south of Corvallis. Flooding of low areas of Hwy 34 and numerous roads in and near Corvallis begins.
- 32.00 ft
expect flooding of low spots of Hwy 99 south of Corvallis, the Corvallis-Albany Hwy, and Hwy 34 near Corvallis.
- 36.00 ft
expect widespread flooding, with serious flooding possible between Corvallis and Albany on the west bank of the river. At this and higher stages, the Willamette River between Harrisburg and Corvallis has historically been up to 3 miles wide.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Willamette River flooding at Corvallis?
No. The Willamette River at Corvallis is at 10.05 ft, 15.95 ft below action stage.
What is the flood stage at Corvallis?
The National Weather Service sets action stage 26 ft, minor flooding 30 ft, moderate flooding 33 ft and major flooding 36 ft.
What is the highest the Willamette River has been at Corvallis?
The highest crest on record is 42.4 ft, on 1861-12-01.
Is the Willamette River high or low right now at Corvallis?
At 10.05 ft it is higher than 74% of readings over the last 122 days.
How warm is the water at Corvallis, Willamette River?
The water temperature at Corvallis, Willamette River is 57 °F (13.7 °C), measured 7:30 pm by USGS, which is 2 °F cooler than normal for this date over the past ten years. It has fallen 0.9 °F in the last 24 hours.
Stage and flood information from the NOAA National Weather Service (gauge CORO3); daily history from the U.S. Geological Survey (site 14171600). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.