Winter weather is officially here in Indiana, and for the foreseeable future, it looks like it plans to stick around. Learn ...

Temperatures across Indiana are set to be even colder tonight, as temperatures plunge into single digits and at the zero mark ...

The polar vortex is a circular current of strong winds high in the atmosphere over the Arctic that keeps brutally cold air ...

"Cold air is spilling into the central and eastern parts of the country, coming down from the Arctic," he said. The deep ...

According to the National Weather Service, prolonged exposure to extreme cold can quickly lead to frostbite or hypothermia.

A blast of Arctic air gripped much of the central and eastern portions of the U.S. on Friday in sub-freezing temperatures ...

A polar vortex has brought a severe Arctic chill to central and eastern U.S., setting record low temperatures in several states. This unseasonable cold originated from fluctuations in polar air ...

Local weather forecasts in Indiana and Oklahoma called for the possibility of freezing fog, tiny super-cooled water droplets ...

The frigid weather pattern stemmed from a fluctuation in the clockwise circulation of polar air, also known as the polar vortex, that was drawing icy air from Canada into northern tier of the U.S., ...