Slow-moving storm set to slam Northwest with heavy snow, rain

PHOTO: Snow covered intersection with green lights and red truck. PlayAdrian Studer/Getty Images
WATCH Northwest expects multiple rounds of rain, snow over next few days

A large, slow-moving storm system will send waves of moisture into Washington, Oregon and northern California through the weekend, producing gusty winds, heavy snow in the mountains and rain along the coast and lower elevations.

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Up to another foot of snow fell in parts of the Cascade Mountains in the Pacific Northwest over the last 48 hours and more is on the way.

The storm system is slowly moving east Friday morning, with rain and snow already spreading into Washington state.

Rain and snow are already falling ahead of a storm system set to hit the Northwest.ABC News
Rain and snow are already falling ahead of a storm system set to hit the Northwest.

The actual storm -- with gusty winds, snow and rain -- will move into the Northwest on Saturday morning and will last through the afternoon.

The storm will move into the area on Saturday afternoon.ABC News
The storm will move into the area on Saturday afternoon.

The storm will continue to move inland, bringing heavy snow to the Rockies on Sunday from Montana to Utah and Colorado. The total weekend snowfall is expected to be measured in feet, and some areas from the Cascades into the Rockies could see several feet of snow by Sunday night.

Rain will fall in coastal areas of Washington and Oregon, with some areas seeing up to 3 inches.

Rain totals will be over 3 inches in coastal regions, while mountains will get as much as 2 feet.ABC News
Rain totals will be over 3 inches in coastal regions, while mountains will get as much as 2 feet.

Arctic intrusion

Dec. 1 is the first day of meteorological winter, but it will not feel like winter in most of the country with cities from Denver to New York City seeing highs in the 50s. Chicago will be in the 50s Friday, its warmest start to meteorological winter in five years!

But all of this warm weather will end next week, starting in Midwest early in the week and then the Northeast by the end of the week. Several waves of arctic air will move into the lower 48 states from the Dakotas into the Carolinas.

The cold blast reaches the Midwest and the Great Lakes on Monday and Tuesday, and then moves into the Northeast on Wednesday afternoon into Thursday and Friday.

A second shot of arctic air will move into the Midwest and the Great Lakes the following weekend.

Expect very cold weather at the end of next week in the Midwest and Northeast.ABC News
Expect very cold weather at the end of next week in the Midwest and Northeast.

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