A frontal system will move across southwest Washington and
northwest Oregon this evening. Precipitation is expected to begin
around midday along the coast and then spread inland. The heaviest
precipitation can be expected from late afternoon through about
midnight Wednesday.
Snow levels late this afternoon over southwest Washington and far
northwest Oregon will be around 500 feet. Snow levels for the
central coast are expected to be closer to 1000 feet. There is a
chance for some accumulation below 500 feet this evening in the
Lower Columbia of Cowlitz County in southwest Washington and 500
to 1000 feet in the central and south Willamette Valley and in
coastal areas. Major roadways should not be be impacted, but
there is the possibility of slushy spots on bridges, overpasses
and higher-elevation road surfaces.
For the most up-to-date forecast visit www.weather.gov/portland
and for current road conditions dial 5-1-1.
