It's like "bomb cyclone" or "firenado." It seems like the sort of phenomenon that would be responsible for the ...

The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of ...

Arctic air has brought chilling temperatures as low as 12 degrees in New York City on Monday night but are we in a polar ...

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

The colder-than-normal temperatures in Houston are part of a larger pattern of Arctic air sweeping through Texas and much of ...

A new blast of Arctic air sweeping from north to south will bring bone-chilling temperatures to millions of Americans this ...

Temperatures are expected to plummet over the weekend, bringing life-threatening conditions to large stretches of the United ...

Cold weather is nothing new for Michigan, but this week, temperatures are dropping into the single digits with wind chills ...

Despite a cold start to the day, most of the U.S. will experience seasonably mild temperatures on Thursday. However, ...

Arctic air moved south, into the area starting late last week and has lingering since. This has lead to dangerously cold ...