NEW YORK — Millions along the Interstate 95 corridor on the Northeast coast will see their first significant winter storm of the season this weekend, as a fast-moving system takes advantage of freezing temperatures brought by another invasion of the polar vortex .

Approximately 63 million Americans are under a cold weather advisory, and around 11 million are under a freeze warning — mainly in the Gulf States where such low temperatures are rare.

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

Widespread, steady system snow that developed Saturday afternoon will start to taper off from west to east across Northeast Ohio Saturday evening.

Weather forecast shows highs in the mid-50s with rain possible on Christmas Day, more resembling April than typical December weather in Northeast Ohio.

The NYC area, including parts of NJ and CT, could get hit with several inches of snow this weekend. Here's a first look at the timeline and predicted totals.

This year is expected to be the busiest on record for holiday travel, but rough weather can make getting to your Christmas destination even harder.As a life-threatening storm heads to California, here's a look at the Christmas week weather forecast:TuesdaySnow is falling in the Northeast on Tuesday.

A new winter storm is lining up to target the Northeast with a fresh round of snow, sleet, freezing rain, and rain right after Christmas Day. Click here for a new, updated story: First Snowfall Projections Released For Major