South Yamhill River at McMinnville, OR
River level and flood forecast · Yamhill County
The river is 40.7 ft below flood stage (50 ft).
Forecast to hold near 9.3 ft through Mon, Oct 19, 5 PM.
Flow: 35 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 8:24 AM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts South Yamhill River at McMinnville to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 59 ft |
| Moderate flood stage | 56 ft |
| Flood stage | 50 ft |
| Action stage | 45 ft |
| Record crest (February 9, 1996) | 59.33 ft |
What floods at each level
From the National Weather Service, highest first.
- 58 ftexpect flooding of some buildings and structures in the south portions of McMinnville, along with widespread farmland flooding and numerous flooded roads along the South Yamhill near McMinnville and downstream to the confluence with the Willamette River.
- 56 ftexpect flooding of some structures in the south part of McMinnville. Historically, Numerous roads are flooded and closed at this level.
- 54 ftnumerous secondary and minor access roads begin to flood. Road closures are possible at a few locations.
- 52 ftexpect extensive lowland flooding from 10 miles south of McMinnville to the confluence of the Yamhill and Willamette Rivers.
- 50 ftexpect lowland flooding at several locations along the river from McMinnville to the confluence with the Willamette River.
Highest crests on record
- 59.33 ft — February 9, 1996
- 55.9 ft — December 5, 2007
- 55.18 ft — December 30, 1996
- 55.01 ft — December 29, 1998
- 53.97 ft — January 20, 2012
Recent crests: 51.84 ft (November 26, 2016) · 51.97 ft (December 10, 2015) · 53.97 ft (January 20, 2012) · 52.92 ft (January 3, 2009) · 55.9 ft (December 5, 2007)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MCMO3); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.