Overview
- Portland is forecast for near-certain rain Monday with about 0.75 inches of new precipitation and continued showers into Tuesday.
- Rainfall through Tuesday night is projected to reach 1–3 inches along the Oregon coast, Coast Range, and Cascades, with valley totals ranging roughly 0.75–2.5 inches by location.
- Central Oregon expects off-and-on, mostly light rain Monday totaling about 0.1–0.5 inches, along with breezy to windy conditions and highs in the low to mid 50s.
- The National Weather Service notes a slight chance—up to 10%—that area rivers could reach flood stage due to concentrated rainfall.
- Snow levels near 5,000 feet will limit accumulating snow to higher elevations in the Cascades, and a drier, sunnier pattern is expected to emerge by late week with highs in the low 50s.