Heavy snow and avalanche control work Tuesday night closed Snoqualmie and Stevens passes - the two main east-west highway routes through the Washington Cascades.

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Heavy snow and avalanche control work Tuesday night closed Snoqualmie and Stevens passes – the two main east-west highway routes through the Washington Cascades.

The Transportation Department reopened Interstate 90 at Snoqualmie Pass by 6 a.m. Wednesday, but Highway 2 at Stevens Pass remains closed until officials can assess the danger in daylight.

The National Weather Service forecasts another 11 to 17 inches of snow by Thursday morning in the passes.