A chilling polar vortex is set to bring snow and ice to the South and East this week. We show where.

Add Yahoo as a preferred source to see more of our stories on Google. Much of the country will be hit with extreme low temperatures over the next week as a polar vortex sends cold air down from the ...

After this weekend's snow storm moves out, cold Arctic air will move in.

Bitter cold is expected across much of the U.S. this weekend. But what do headlines mean when they say a "polar vortex cold snap" is on the way? The polar vortex is a regular feature of Earth's polar ...

“EXPLODING TREES are possible in the Midwest and Northern Plains on Friday and Saturday, as temperatures are forecasted to ...