Willamette River at Portland, OR
River level and flood forecast · Multnomah County
The river is 14.4 ft below flood stage (18 ft).
Forecast to rise to 5.1 ft Tue 7 PM, below the 18 ft flood stage.
Flow: 27,600 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 12:28 PM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Willamette River at Portland to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 28 ft |
| Moderate flood stage | 24 ft |
| Flood stage | 18 ft |
| Action stage | 17 ft |
| Record crest (June 7, 1894) | 33 ft |
What floods at each level
From the National Weather Service, highest first.
- 30 ftexpect flooding of downtown Portland from Park Ave east to the Willamette and north of Burnside. Historically, Union Station begins to flood at this point and rail traffic will likely be impacted. Expect flooding of Oaks Park, along with moorages and industrial areas from Oregon City through downtown Portland into industrial NW Portland.
- 28.8 ftexpect the river level to reach the top of the lowest point of the downtown Portland sea-wall. Flooding of some portions of Waterfront Park is possible at this and higher stages.
- 27 ftexpect flooding of Front Street near the Burnside Bridge.
- 26 ftexpect flooding of numerous structures along the Willamette river from Oregon city to the confluence with the Columbia.
- 24 ftexpect localized flooding in the Northwest Portland industrial area.
- 22 ftexpect minor localized flooding along the Willamette from Oregon City to the confluence with the Columbia.
- 18 ftexpect minor flooding of localized areas along the lower willamette. Flooding is mainly confined to the islands on the willamette river from oregon city to the confluence with the columbia.
- 17 ftexpect flooding of some low spots of trails along the west and east banks of the Willamette in and near downtown Portland.
Highest crests on record
- 33 ft — June 7, 1894
- 30 ft — June 1, 1948
- 30 ft — June 14, 1948
- 29.8 ft — December 25, 1964
- 28.7 ft — February 6, 1890
Recent crests: 15.56 ft (April 12, 2019) · 17.3 ft (March 30, 2017) · 17.2 ft (June 2, 2011) · 28.55 ft (February 9, 1996) · 18.9 ft (February 24, 1986)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (PRTO3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.