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

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.

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

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

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

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

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

The polar vortex is expected to reach the Utah-Idaho border sometime in the late afternoon and evening Friday as it continues ...

It is currently about 36 degrees in Omaha. There will be a high of about 43 degrees tomorrow and a high of about 44 degrees ...

Another blast of winter weather is expected in parts of the U.S. in the coming days, including bone-chilling wind in the ...