Willamette River at Corvallis water level

Name: Willamette River at Corvallis water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Willamette River, Oregon, United States

Directions

Below flood stage

Water level

10.11ft Up 0.11 ft over the last 24 hours

Measured Oct 18, 2026, 07:15 AM PDT (20 min ago)

Flow: 4,370 cfs
Water temperature: 58 °F

History

7 days

Water level Forecast Minor flood stage

The forecast expects the river to rise to 10.34 ft by Monday, October 26 at 05:00 AM. Issued Saturday, October 17 at 08:42 AM by NOAA National Weather Service.

What this means

Water levels are unremarkable at Willamette River at Corvallis, where the gauge shows 10.11 ft.

It is 19.89 ft below the flood stage of 30.00 ft.

It is on the way up, by 0.11 ft over the past 24 hours. The forecast expects the river to rise to 10.34 ft by Monday, October 26 at 05:00 AM. There is still 19.89 ft of room before flood stage. The 30-day range is 9.98 ft – 10.11 ft.

The water temperature at the gauge is 58 °F.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Highest on record: 42.40 ftDecember 1, 1861
Forecast peak: 10.34 ftMonday, October 26 at 05:00 AM

Paddling and fishing conditions

Most paddlers and anglers will find the river in good shape at this stage.

For reference, flood stage is 30.00 ft.

What happens at each level

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.
32.00 ft: expect flooding of low spots of Hwy 99 south of Corvallis, the Corvallis-Albany Hwy, and Hwy 34 near 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.
28.00 ft: expect flooding of some river island access roads and secondary roads east of Corvallis.
26.00 ft: the river is at bankfull level and may spill out of its banks at some locations between Harrisburg and Albany.
10.11 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Rank	Level	Date
1	42.40 ft	December 1, 1861
2	38.20 ft	December 29, 1945
3	38.10 ft	January 2, 1943
4	36.80 ft	January 8, 1948
5	36.20 ft	January 19, 1953
6	36.00 ft	December 24, 1964
7	36.00 ft	December 23, 1964
8	35.90 ft	February 11, 1961
9	35.60 ft	December 15, 1946
10	35.40 ft	January 18, 1971

Weather at the gauge

No rain in the last 3 days.

17 Sat 67° 49° – Wind 10 mph

18 Sun 67° 44° – Wind 11 mph

19 Mon 63° 48° – Wind 7 mph

20 Tue 68° 47° – Wind 7 mph

21 Wed 73° 45° – Wind 9 mph

22 Thu 65° 43° – Wind 7 mph

23 Fri 63° 38° – Wind 7 mph

Forecast: Open-Meteo

Sunrise 07:33 AM Sunset 06:25 PM Daylight 10 hr, 52 min First quarter 50%

Map

Other gauges on the Willamette River

Gauge	Level	Compared with normal	24 hours	Distance
Willamette River at EugeneRiver gauge, Willamette River	9.76 ft	Low	±0	37 mi
Willamette River at HarrisburgRiver gauge, Willamette River	1.59 ft	Below flood stage	±0	21 mi
Willamette River at AlbanyRiver gauge, Willamette River	3.04 ft	Below flood stage	+0.08 ft	9 mi
Willamette River at SalemRiver gauge, Willamette River	5.23 ft	Below flood stage	−0.07 ft	28 mi
Willamette River at NewbergRiver gauge, Willamette River	6,840 cfs	Very low	−470.0 cfs	52 mi
Willamette River above Falls, at Oregon CityRiver gauge, Willamette River	55.95 ft	Normal	−0.03 ft	62 mi
Willamette River below Falls, at Oregon CityTidal gauge, Willamette River	1.73 ft	Very low	−0.10 ft	63 mi
Willamette River at PortlandTidal gauge, Willamette River	−0.04 ft	Below flood stage	−0.29 ft	72 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Marys River near PhilomathRiver gauge, Marys River	1.93 ft	Below flood stage	−0.01 ft	4.8 mi
Calapooia River at AlbanyRiver gauge, Calapooia River	18.9 cfs	Very low	±0	7 mi
Luckiamute River near SuverRiver gauge, Luckiamute River	2.01 ft	Below flood stage	−0.04 ft	15 mi
Santiam River at JeffersonRiver gauge, Santiam River	2.76 ft	Below flood stage	−0.11 ft	16 mi
North Santiam River at Greens Bridge, near JeffersonRiver gauge, North Santiam River	1,160 cfs	Very low	−50.0 cfs	17 mi
Long Tom River at MonroeRiver gauge, Long Tom River	5.24 ft	Below flood stage	+0.26 ft	18 mi
Lebanon Santiam Canal near LebanonCanal gauge, Lebanon Santiam Canal	75.0 cfs	Normal	±0	20 mi
South Santiam River at WaterlooRiver gauge, South Santiam River	3.16 ft	Below flood stage	−0.03 ft	22 mi

Questions and answers

What is flood stage for the Willamette River at Corvallis?

The official flood stage is 30.00 ft. The level is currently 19.89 ft below it.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Willamette River at Corvallis today?

On Oct 18, 2026, 07:15 AM PDT, the water level was 10.11 ft. Up 0.11 ft over the last 24 hours.

Is Willamette River at Corvallis rising or falling?

Up 0.11 ft over the last 24 hours.

Is the level of Willamette River at Corvallis normal?

Below flood stage. Judged against the official flood stage for this gauge.

What is the highest water level ever recorded at Willamette River at Corvallis?

The highest level on record is 42.40 ft on December 1, 1861.

Is Willamette River at Corvallis expected to rise?

The forecast expects the river to rise to 10.34 ft by Monday, October 26 at 05:00 AM.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:14171600 (Agency page)
Coordinates: 44.56636, -123.25681 (WGS84)
Vertical datum: NGVD29
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	10.11 ft	2026-10-18 14:15	Provisional
Flow	4,370 cfs	2026-10-18 14:15	Provisional
Water temperature	58 °F	2026-10-18 14:20	Provisional

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How to cite

U.S. Geological Survey: Willamette River at Corvallis (usgs:14171600). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/oregon/willamette-river-at-corvallis

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer