A harsh drop in temperatures is being delivered to the eastern two thirds of the U.S. thanks to a polar vortex dipping down ...

Southern California is bracing for heavy rain, gusty winds and cooler temperatures as a Pacific storm, fed by an atmospheric ...

A fierce cold snap is in the forecast for the central and eastern U.S. early next week, forecasters warned, with ...

All across the United States on Tuesday, people got a chance to see the northern lights due to a strong geomagnetic storm.

Multiple states were expected to see snow on Tuesday, while widespread freeze warnings spanned the southern U.S.

More than a dozen states could see snow on Christmas, according to forecast trends analyzed by the Old Farmer's Almanac.

States across the central and eastern U.S. are under extreme heat watches and warnings as the areas face a dangerous heat wave throughout the first half of the week, according to the National Weather ...