Travelers driving over the Cascade passes were hit with more than a foot of new snow in places as a winter storm warning remained in effect through Friday evening.

Interstate 90 was a slushy mess after snow turned to rain, leaving standing water in some spots.

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David Wheeler, driving over the pass to Ellensburg, said the roads weren't as bad as he thought they'd be.

"I've driven the road a lot when you go, 'Oh my goodness, do I really want to do this?'" he said.

The winter storm warning -- forecasting a snow level dropping to 1,500 feet late Friday night -- calls for another 4 to 8 inches of snow possible through the afternoon and into the evening.

KIRO 7 Eyewitness News reporter Stacy Sakamoto said she saw a long line of snowplows clearing the snow and slush.  The Department of Transportation said there were more than a dozen plows on the roads.

Drivers said they hoped the slush is gone by the time temperatures drop, so it doesn't freeze.