A piece of the polar vortex spills into the Midwest, creating extreme cold for the Chicago area and northwest Indiana for the ...

Patrick Mahomes leads Chiefs to AFC title game after daughter's birth as Caitlin Clark, Taylor Swift cheer ...

A disruption in the polar vortex is about to send an Arctic air mass from Siberia as far south as Florida. Yes, Siberia—and ...

A blast of Arctic air is set to cover much of the United States with temperatures below freezing starting on Friday and into ...

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

The vast majority of Americans are about to get an extended taste of frigid Siberian weather. Another polar vortex disruption ...

Some areas of the U.S. may see temperatures as low as -20 or -30 degrees early next week as arctic air from Siberia rolls in.

A major winter blast of snow, ice, high winds and plunging temperatures are stirring up dangerous conditions across the U.S.

The next round of bitter cold was set to envelop the southern U.S. on Tuesday, after the first significant winter storm of ...

A blast of snow, ice, wind and plunging temperatures stirred up dangerous travel conditions in parts of the central U.S. on ...