Update 330 PM: Eastbound I-90 is open at Kittitas. Travelers should be cautious of dense fog in the area.
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According to the Washington State Department of Transportation (WSDOT), Eastbound I-90 is closed five miles east of Ellensburg due to multiple collisions.
Traffic is being diverted at Exit 115 (Kittitas), and a detour is available using local roads. The time to open the highway has not been determined.
WDOT estimates a 10-to-12-hour closure. Eighteen cars and twelve semis were involved.
Updates to follow.
