Despite a warming climate, bone-chilling winter cold can grip parts of the U.S. In a study appearing in Science Advances, researchers found that two specific patterns in the polar vortex, a swirling ...

Cloudy and cold with a few issues late, lows in the upper 20s, calm wind becoming south southeast around 5 mph after midnight. A few light snow showers may develop toward daybreak and could briefly ...

Temperatures have been fluctuating sharply since the start of the new year. The "temperature rollercoaster" phenomenon, ...