This cold blast could be relatively short-lived, with a return to more typical wintry temperatures by later in December.

Temperatures in Central Texas are expected to drop by roughly 30 degrees from Saturday to Sunday.

Temperatures are plummeting across much of the United States and will affect games in Week 15 ...

The northern U.S. is bracing for bone-chilling cold as a weakened polar vortex pushes Arctic air south. How cold will temps ...

The planet's most extreme cold air will be barreling into the central and eastern United States this coming weekend "like a ...

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

Cross-polar flow is a phenomenon that describes the movement of air over the North Pole. For U.S. context, this generally ...

A cold front from an expanding polar vortex brought chilly temperatures to North and Central Florida. Temperatures are ...

This coming weekend, the central and eastern United States will receive a blast of Arctic air, which will also affect ...

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

A polar vortex system is expected to bring two or more cold waves to Florida this week. Temperatures in North Florida could ...

Here is the weekend weather forecast from the National Weather Service in Memphis.