At a Glance

A potent storm will enter the West Coast Thursday and spread snow through the Rockies.The storm will then encounter cold air diving southward into the Plains and Midwest.Widespread snow and ice are possible from the Plains and Midwest to the Northeast late-week into next weekend.

Arctic cold will return to the nation's northern tier starting late this week, and that could help fuel another snowstorm from the Rockies into parts of the Midwest and East.

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