According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...

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 polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...

National Weather Service predictions have temperatures going down to 25 ... creep back up into the 30s and low 40s for some ...

New York’s being hit by an arctic polar vortex, making temperatures drop hard overnight after a snow storm hit on Sunday.

A brutal polar vortex is set to bury the Big Apple in snow Sunday and then deliver deadly single-digit temperatures that will ...

A polar vortex is slated to sweep most of ... chills to parts of Midwest to the East Coast, according to the National Weather Service. After descending over the Rockies and Great Plains ...

the polar vortex is still going to bring lower-than-normal temperatures to the Sunshine State. According to the National Weather Service in Tampa Bay, cooler than normal temperatures could be seen ...

National Weather Service predictions have temperatures ... 30s and low 40s for some areas by the end of next week. The polar vortex is a gigantic, circular area of cold air high up in the ...