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TROUTDALE, Ore. -- Officials are requiring drivers to use chains or traction tires on I-84, between Troutdale and Baker City, due to extremely icy conditions Friday morning. Click here to check your traffic

Early Friday, as many drivers hit the roads for post-Thanksgiving sales, cars started sliding on black ice and traffic accidents were scattered along I-84, especially in the Corbett area.

The National Weather Service issued a Winter Weather Advisory for freezing rain, sleet and snow in the Gorge, through 10 p.m., Friday. Temperatures were hovering right around freezing and there were several patches of black ice on the roadway, authorities said.

The icy conditions along I-84 stretch from milepost 17 to 34.

Elsewhere, freezing rain was also expected to fall off-and-on throughout Friday in the Hood River area. And in the mountains, passes could get as much as six inches of new snow, according to KGW meteorologist Rod Hill.

Early travelers should check the temperature, Hill said. Isolated cold spots will be possible that could produce freezing rain. Travel into the mountains could find an icy mix below 4,000 feet.

Meantime, temperatures in the Portland Metro area and Salem were expected to remain above freezing, Hill said.

Snow will fall in the Cascade passes at depths where chains should be carried. The Coast Range will have a rain and snow mix in the morning with temperatures above freezing in the afternoon.

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