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Rainy Week Ahead for Oregon as Successive Pacific Fronts Usher In Fall

Forecasters flag a Gulf of Alaska system Tuesday as the peak wind threat driving the sharpest cooldown.

Overview

  • Widespread rain reached the Oregon coast Monday morning and was expected to spread into the valleys by late morning to midday.
  • A stronger system is forecast Tuesday, followed by another front Wednesday that could bring heavier showers and isolated afternoon thunderstorms.
  • Winds increase with the Tuesday system, with 25–30 mph gusts inland and 45+ mph along the coast where gale conditions are possible.
  • Rainfall is generally light to moderate, from a few tenths of an inch Monday to roughly 0.5–0.75 inch across parts of the Willamette Valley by Wednesday.
  • Showers should ease Thursday with a trend toward a drier weekend, while Central Oregon stays cooler in the 60s with scattered showers and a slight thunder chance.