'Polar Vortex' pushes subzero temps into Midwest Add to ...


AP Video |
Show Description
A whirlpool of frigid, dense air known as a "polar vortex" descended Monday into much of the U.S., pummeling parts of the country with a dangerous cold that could break records with wind chill warnings stretching from Montana to Alabama

More from this section

Most Popular

Editor's Picks

Globe Shows »

Put your best foot forward with our expert advice