The Current Temperature map shows the current temperatures color ... In most of the world (except for the United States, Jamaica, and a few other countries), the degree Celsius scale is used ...

If you spent much of last month shivering in the United States, you were not alone. A preliminary look at temperature data ...

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, ...

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

Winter storm warnings are in place in several states with heavy snow, freezing rain and dangerously cold temperatures ...