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.