Puget Sound: Showers with sunbreaks today. Chance of an afternoon thundershower. Cool highs in the mid 50s to near 60.
Coast: Showers mixed with sunshine today. Chance of an afternoon thundershower. Cool. Highs in the low 50's, south winds 10-20 mph.
Mountains: Rain and snow showers. Snow level between 3-4,000'. That means some wet snow will be possible at Stevens Pass, White Pass, the North Cascades, and Chinook passes but unlikely to stick on the roads most places. Pass highs will be in the upper 30's to low 40's. Pass winds westerly 5-10 mph.
Eastern Washington: Mostly cloudy with showers, possible thundershowers. A mix of snow and rain is possible along or near the east slopes of the Cascades, generally at/above 2,500'. Highs in the mid 50's to mid 60's.
An upper level low will remain over the northwest today and tomorrow bringing cool showery air to the region today with highs only in the mid 50's to near 60. There could be an isolated thundershower mixed in during the afternoon. Unseasonably cool temperatures will likely remain with highs mostly in the mid 50's to near 60. The upper low will begin to weaken and move away Friday, Saturday, and Sunday for fewer showers and more sunshine. Highs will warm back into the mid 60's. Monday for Memorial Day. we should see partly sunny skies Highs in the mid 60's.Rain returns on Tuesday!
Rich Marriott / KING 5 Chief Meteorologist