Winter storms threaten holiday travel with snow in the Northeast and heavy rain across California. Newsweek's live blog is closed.

January or February is the snowiest month for many central and eastern states, home to about 190 million people. In the Plains and Rockies, March and April are typically snowiest.

As people finish their final rounds of holiday shopping, another week of nasty weather is headed for the northeast, with more snow and rain.

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