The first of three rounds of bitter air has arrived, threatening record lows in cities from the Midwest to the Northeast.

The Upper Midwest and Northern Plains have been hit by Canada's freezing temperatures. On Thursday, Dec. 4, wind chills ...

Temperatures across Indiana are set to be even colder tonight, as temperatures plunge into single digits and at the zero mark ...

Another Arctic blast is on the move toward the U.S., bringing the potential for bitter cold and heavy snow accumulations to Indiana — possibly beginning during the holiday weekend into early December.

A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the ...

Temperatures across Indiana are forecast to plunge into some of the coldest in the U.S., dipping well below zero as a surge of Arctic air sweeps in.

A cold and snowy end to November. Here’s why Indiana is seeing early winter weather, plus a breakdown of upcoming snow ...

Arctic air is taking cold to another level this week and the US could be facing bouts of it well into December thanks to the polar vortex.

A polar vortex has brought a severe Arctic chill to central and eastern U.S., setting record low temperatures in several states. This unseasonable cold originated from fluctuations in polar air ...

Just in time for Thanksgiving week, another Arctic blast is on the move toward the U.S., bringing the potential for bitter cold and heavy snow accumulations to Indiana — possibly beginning during the ...

An Arctic blast is expected to bring cold temperatures and potential heavy snow to the central and northern U.S. around Thanksgiving and into early December. Experts are monitoring a potential sudden ...