High temperatures on Sunday will only make it into the low 30s in north Alabama. Central Alabama highs on Sunday will have a ...

The United States is expecting another hit by the polar vortex starting this weekend. Here's what's expected in South ...

The polar vortex phenomena is making this December much colder than average. Students should prepare themselves for changes ...

This winter will be marked by a La Niña event, warmer North Pacific waters, and an undulating polar vortex where cold air ...

Winter is right around the corner for North Texas. Several weather organizations have released winter outlooks over the past few months, including the National Oceanic and Atmospheric Administration’s ...

Severe winter weather has prompted the United States Postal Service (USPS) to issue delivery warnings for 15 states.

Forecasters have said parts of the U.S. can expect frigid temperatures in December. A first round has arrived, and more cold ...

The phrase "polar vortex" has captured public attention and is now often misused to describe short-term bouts of frigid weather.

Thanksgiving plans are starting to take shape across North Texas, from travel itineraries to backyard feasts. But before packing up for the long weekend, it’s worth checking what kind of weather could ...

Such events distort the polar vortex, which causes Arctic air to descend into the U.S. and causes temperatures to plummet.

A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the coming days.