A forecast map reveals which states can expect to see “persistent cold” in the weeks ahead, after experts said the polar vortex would unleash waves of icy air across parts of the U.S. through January.

The next step upward to spring weather is showing in the extended forecast. This week and much of next week look and feel ...

Folks across the central, eastern and southern U.S. are about to experience potentially record warmth over the next week or so.

New Yorkers should prepare for one last noticeable chill from the polar vortex before spring takes hold, with below-average temperatures expected March 24-30.

Welcome to 'false spring,' New Jersey! A polar vortex split could bring bitter cold back to NJ, but how cold will it get and when? The latest forecast ...

Add Yahoo as a preferred source to see more of our stories on Google. This winter’s harsh run is intensifying, with some of the coldest air so far this season plunging into New Hampshire this weekend ...

WASHINGTON(7News) — If you’re in Washington, D.C., and wondering why highs will only be in the 30s Monday and Tuesday after a gorgeous, warm weekend, you aren’t alone. Chief Meteorologist Veronica ...

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest, Mid-Atlantic and Southern U.S. are expected to see below-freezing ...

The Great Lakes and Northeast are bracing for another cold shot later this month — down to single digits in places. How cold ...

The weather forecast is looking promising for warmer weather as the calendar turns to March. In the East, a dramatic warm-up is in the forecast, and the Climate Prediction Center's outlook for March 6 ...