Alerts for cold weather are in effect for nearly half of the U.S. population, running from the northern Plains to the Gulf ...
T​he season's most drastic drop in temperatures is now plowing through the central and eastern states with dangerous wind ...
The NWS has issued storm and extreme cold warnings this weekend as powerful Arctic winds plunge temperatures nationwide.
A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...