Add Yahoo as a preferred source to see more of our stories on Google. This winter, it seems as if temperatures have been fluctuating more significantly. Over the past year, it seems as if severe ...

After a historically mild November, the start of meteorological winter is shaping up to be extremely cold and snowy for parts of the North America, including the U.S. For weeks now, ultra cold air has ...

An extreme cold wave from the Arctic is threatening the United States. Historically low temperatures could affect several regions, according to weather forecasts. This cold wave, fueled by large-scale ...

The cold, snowy weather has also been accompanied by a flurry of stories about the “polar vortex” and how it can bring extreme weather to the northern hemisphere mid-latitude regions of North America, ...