Traffic & Transit
Mountain Snow Snarls Traffic Over The Cascades
Stevens Pass will remain closed until at least Wednesday morning after snowfall rates Tuesday topped 4 inches per hour.

SNOQUALMIE PASS, WA — While the snow continues to melt across the lowlands, headaches continued in the mountain passes Tuesday. Snoqualmie Pass and Stevens Pass were fully closed into the afternoon, leaving just White Pass open.
The prolonged Snoqualmie closure, in place between North Bend and Ellensburg, started Monday and lasted into early Tuesday afternoon, as the Washington State Department of Transportation monitored "extreme avalanche danger." Officials recorded more than 46 inches of snow between Friday and Tuesday morning over Snoqualmie Pass, with nearly half that total recorded Monday. Snoqualmie fully reopened around 3 p.m. Tuesday.
Stevens Pass started off Tuesday open with chains required for all vehicles, but transportation officials announced a full closure shortly before noon, following several spin-outs. WSDOT announced the closure would remain in place until at least 8 a.m. Wednesday, due to significant snowfall accumulating more than four inches per hour.
Find out what's happening in Sammamish-Issaquahfor free with the latest updates from Patch.
Snow accumulating at 4+ inches per hour. If you're at the ski area, best to leave now. https://t.co/EW3FheHc4F
— Washington State DOT (@wsdot) February 16, 2021
The wintry conditions over the passes follow one of the snowiest lowland storms in recent memory, which brought along its own traffic headaches over the weekend. According to Washington State Patrol, troopers responded to 386 crashes in King County between Friday and Monday, a total almost 300 percent higher than an average weekend.
Snow will continue in the mountains today. Additional accumulations of up to a foot are possible in the passes today. Be prepared for difficult winter driving conditions in the passes. #wawx pic.twitter.com/9UoMVldmjB
— NWS Seattle (@NWSSeattle) February 16, 2021
According to the National Weather Service, both passes were forecast to pick up another foot of snow by Tuesday evening. Wednesday should bring a break in the weather for all, with partly sunny conditions and more moderate conditions in the mountains and the lowlands. Forecasters expect rain and mountain snow will return Thursday.
Find out what's happening in Sammamish-Issaquahfor free with the latest updates from Patch.
Get more local news delivered straight to your inbox. Sign up for free Patch newsletters and alerts.