The Cascades are experiencing a final blast of winter weather this weekend, with 12 to 18 inches of new snow expected from ...

A huge storm system crossing the U.S. threatens to unleash tornadoes Friday in the Mississippi Valley, blizzards in the ...

Colorado's Upper Rio Grande Valley and Eastern San Juan Mountains below 1,000 feet are under a winter weather warning until ...

The Northern Hemisphere's polar vortex regularly expands over winter, sending a blast of cold air south with the jet stream, according to the National Weather Service.

The warming trend continues into the weekend, with highs reaching the 60s Sunday, which should make for pleasant weather to enjoy the St. Patrick’s Day parade in South Boston. A quick shower would be ...