Willamette River below Falls at Oregon City, OR
River level and flood forecast · Clackamas County
The river is 22.5 ft below flood stage (27 ft).
Forecast to rise to 6.7 ft Tue 7 PM, below the 27 ft flood stage.
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 below Falls at Oregon City to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 40 ft |
| Moderate flood stage | 35 ft |
| Flood stage | 27 ft |
| Action stage | 25 ft |
| Record crest (February 5, 1890) | 50.5 ft |
What floods at each level
From the National Weather Service, highest first.
- 45 ftmajor flooding of homes and industrial areas in Gladstone and West Linn has historically occurred at this and higher stages. Also expect flooding of the shopping district and other businesses along the Willamette River in Oregon City adjacent to I-205.
- 40 ftmajor flood stage, numerous homes are threatened with flooding in the vicinity of West Linn and Marylhurst along River St, and also in the Oak Grove area. Expect widespread flooding of lowland areas, parks, roads and a few structures along the Willamette River from Oregon City to Portland.
- 35 ftmoderate flood stage, expect widespread flooding of low lying areas along the Willamette River from Oregon City to Portland. Clackamette Park at the confluence of the Clackamas and Willamette Rivers is flooded at this and higher stages.
- 32 ftislands on the Willamette River between Oregon City and downtown Portland begin to flood. Lowland flooding along the river becomes more widespread at this level.
- 27 ftflooding begins in low lying areas along the Willamette River from Oregon City downstream to Lake Oswego. The areas mainly impacted at this level historically have been lows areas in Clackamette Park in Oregon City and River Green Golf Course and Dahl Park in Gladstone.
Highest crests on record
- 50.5 ft — February 5, 1890
- 48.1 ft — December 25, 1964
- 48 ft — December 5, 1861
- 47.8 ft — January 9, 1923
- 46.04 ft — February 9, 1996
Recent crests: 26.33 ft (April 12, 2019) · 29 ft (January 22, 2012) · 28.34 ft (January 14, 2006) · 27.65 ft (January 11, 2006) · 27.52 ft (January 2, 2006)
Up and down the river, and nearby
- UpstreamWillamette River above Falls at Oregon City, OR
- DownstreamWillamette River at Portland, OR
- Clackamas River near Oregon City, OR
- Tualatin River at West Linn, OR
- Tryon Creek near Lake Oswego, OR
- Johnson Creek at Milwaukie, OR
- Fanno Creek at Durham, OR
- Molalla River near Canby, OR
- Johnson Creek near Sycamore, OR
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (ORCO3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.