Three factors are combining to increase the likelihood of a weaker polar vortex this winter, the website reports. And a ...

MAINE (WGME) -- It has been a frigid week, all due to the polar vortex. You may have heard our Weather Authority mention the polar vortex several times, especially this week.

Polar vortex brings chilly temps to Maine Portland was forecast to be about 6 degrees below normal Monday, according to the National Weather Service.

Polar vortex to bring frigid temperatures, snow and ice to millions of Americans About 60 million people are forecast to experience subzero temperatures. The polar vortex may also fuel yet another ...

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to millions.

A polar vortex is hitting most of the country in the next few days. What does it mean? How to protect yourself and pets ...

In Vermont, New Hampshire and Maine, temperatures could fall below zero. Polar Vortex: Polar vortex expected to hit Rhode Island next week. Here's latest temperature forecast ...

In Vermont, New Hampshire and Maine, temperatures could fall below zero. This article originally appeared on Cape Cod Times: Polar vortex: Protect your home from cold.

The polar vortex is coming back. After a half-month hiatus, frigid air will again surge across the United States beginning this weekend through next week, as the unusually cold blob of air dips ...

What is a polar vortex? The polar vortex is an area of swirling cold air in the Earth's polar regions. During winter, the polar vortex at the North Pole expands, sending cold air southward ...