Washington greets the day under a dim, misty sky while steady rain taps against roofs and windshields across Seattle. The pavement shines with standing water, and storm drains gurgle as another December surge of Pacific moisture pushes inland. It’s a familiar pattern, but today’s rainfall carries higher stakes as rivers rise and saturated soils struggle to keep up.
According to the National Weather Service, a Flood Watch remains in effect until 4 p.m., covering Seattle and much of King County. Meteorologists warn that repeated rounds of light-to-moderate rain may trigger faster-than-normal runoff, especially in neighborhoods near the Cedar, Snoqualmie, and Green River basins. Drivers should expect ponding water on I-5, I-90, and Highway 99, with reduced visibility during heavier showers.
Models show more moisture arriving through Sunday as a broad Pacific system keeps clouds anchored over the region. To be fair, rainfall amounts vary hour to hour, but even slow, persistent precipitation can overwhelm drains and lead to rising creeks. Conditions may deteriorate quickly where leaves or debris block gutters. Keep extra time in your travel plans and use caution in areas known for pooling.
Meteorologists are now tracking a more organized wave Sunday morning that could bring steadier rain and stronger localized runoff, especially south of downtown. No snow concerns appear near sea level, though colder air brushing the Cascades will enhance mountain precipitation.
Five-Day Outlook
Saturday: Partly sunny early, rain chance late. High 55°.
Sunday: Rain returns; breezy at times. High 54°.
Monday: Rain likely. High 58°.
Tuesday: Rain and clouds. High 52°.
Wednesday: Rain likely. High 41°.
