You may want to skip driving over the Cascade Mountains

Here’s hoping for better weather in the Cascade Mountains a week from now as travelers hit the road for Thanksgiving.

The National Weather Service has issued a winter storm watch for the Cascades, with heavy snow possible. New snow accumulations of 5 to 10 inches are possible at elevations above 2,500 feet.

The snow could start to fall Tuesday evening on Interstate 90 west of Cle Elum and continue through Wednesday afternoon, according to the storm watch alert.

At Snoqualmie Pass, 3 to 7 inches are forecast Tuesday night and another 4 to 8 inches are forecast Wednesday. More snow is likely on Thursday and Friday.

Highs will be in the mid to low 30s Wednesday through Friday, increasing the chance that snow will accumulate.

The same storm systems is expected to hit the Tri-Cities Wednesday, but with a forecast high of 56 degrees, precipitation should fall as rain.

Expect some breezy weather in the Tri-Cities with gusts as high as 18 mph Wednesday and 29 mph Thursday, according to the weather service.

As the storm moves into the Blue Mountains to the west and southwest of the Tri-Cities, 1 to 3 inches of snow accumulation is possible Wednesday through Thursday morning.

This story was originally published November 14, 2017 at 12:23 PM with the headline "You may want to skip driving over the Cascade Mountains."