Rain and some rumbles of thunder will continue to impact Seattle through Friday.
A slow-moving storm system will continue to drift inland from the Pacific Ocean into the weekend, producing rounds of rain and thunder across the Pacific Northwest.
While the threat for severe thunderstorms has greatly decreased, rainfall can be heavy at times, creating the risk for flooding across portions of Washington. In the higher terrain, there is a continued threat for mudslides.
A couple of stronger thunderstorms can contain gusty winds and hail, especially across eastern Washington and northern Idaho.
The storm system will also bring beneficial rainfall to a broad area.
Sea-Tac airport set a daily rainfall record on Thursday with 1.09", breaking the record of 0.36" set in 1959 and matched most recently in 1984.
Thursday evening, thunderstorms produced small hail east of the Seattle suburb of Bellevue.
East of the Cascades, flooding downpours created mudslides northwest of Yakima, Wash., which caused the closure of Highway 410.
Flash flooding also caused road closures in and around Wenatchee, Wash.
Over the weekend, the storm system will move toward the northern Rockies and high pressure will build in from the west. This will allow a warming and sunny trend over the region.