Kansas saw two deadly crashes over the weekend ... snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the Rockies in its frigid ...

Several days with temperatures of 10-20 degrees below the historical average could be dangerous to plants and ruin outdoor ...

The cause of the week-long deep freeze? A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge the U.S., Canada, and parts of ...

BISMARCK, N.D. (AP) — Harsh cold descended on the nation’s midsection Monday as a polar vortex gripped the Rockies and Northern Plains on the heels of weekend storms that pummeled the ...

The Polar Vortex in the upper atmosphere has disintegrated after the intense warming of the stratosphere in mid-March. Currently, its remains are traveling eastward across Canada to the United States.

The polar vortex of ultra-cold air usually spins around ... Kentucky, Missouri and Kansas canceling or delaying the start of classes Monday. Among them was Kentucky's Jefferson County Public ...