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This probabilistic forecast is issued by the Northwest River Forecast Center.
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About this graph
Forecasts for the South Yamhill River at McMinnville are issued routinely year-round.
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Upstream Gauge - near Willamina Upstream Gauge
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 59
Moderate Flood Stage: 56
Flood Stage: 50
Action Stage: 45
Low Stage (in feet): -9999

Historic Crests
(1) 59.33 ft on 02/09/1996
(2) 55.90 ft on 12/05/2007
(3) 55.18 ft on 12/30/1996
(4) 55.01 ft on 12/29/1998
(5) 53.97 ft on 01/20/2012
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 51.84 ft on 11/26/2016
(2) 51.97 ft on 12/10/2015
(3) 53.97 ft on 01/20/2012
(4) 52.92 ft on 01/03/2009
(5) 55.90 ft on 12/05/2007
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 8.50 ft on 08/19/2023
(2) 9.90 ft on 08/30/2016
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Gauge LocationGauge Map Marker
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
58 expect 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 expect flooding of some structures in the south part of McMinnville. Historically, Numerous roads are flooded and closed at this level.
54 numerous secondary and minor access roads begin to flood. Road closures are possible at a few locations.
52 expect extensive lowland flooding from 10 miles south of McMinnville to the confluence of the Yamhill and Willamette Rivers.
50 expect lowland flooding at several locations along the river from McMinnville to the confluence with the Willamette River.
(1) USGS gage house
(2) Upstream view
(3) Downstream view

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
10-day Forecast/Trend, Northwest River Forecast Center
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
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Portland, OR 97230-1089
(503) 261-9246
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Page last modified: 2-Nov-2020 7:27 PM
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