Most of the U.S. will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send ...

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...

Florida's manatee population is seeking warmer waters due to a polar vortex, with many gathering near power plants. The species is still recovering from a mass starvation event.

The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar vortex disruption ...

Winter isn’t over yet! A polar vortex is bringing subzero winds, frigid temperatures, and possibly snow to the U.S., ...

A lobe of the polar vortex will arrive in the United States this weekend, bringing the lowest temperatures in years and snow ...

A winter storm that is expected to begin in Texas next week could end up bringing snow and ice to parts of Florida, but the ...

A rush of Arctic air will overwhelm the weather pattern across North America starting this weekend, plunging Eastern Canada into some deep cold.

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...

The polar vortex is always around. It is a channel of strong winds high up in the atmosphere that circles the poles. One over ...

It's going to get cold in Tennessee. Meteorologists predict freezing temperatures for much of the state. Here's the latest.