Morning Overview on MSN

Polar vortex map reveals which states are about to freeze in Arctic air

A fresh blast of Arctic air is poised to spill across a wide swath of the United States, and the latest polar vortex map ...

Polar vortex on repeat: Frigid temps expected to blast much of US

The majority of the United States will experience chilling temperatures due to a blast of arctic air from Canada. The Midwest ...