Alerts for cold weather are in effect for nearly half of the U.S. population, running from the northern Plains to the Gulf ...

Another Arctic blast has been forecast to bring frigid air to a large section of the United States later in January.

Snow and winds are likely to trigger flight cancellations and cause headaches for people traveling to DC for Inauguration Day ...

The coldest air of the season will descend across the U.S. this weekend and early next week, bringing subzero wind chills ...

New year brought welcome moisture in form of ice and snow to central Plains, according to the U.S. Drought Monitor.

T​he season's most drastic drop in temperatures is now plowing through the central and eastern states with dangerous wind ...

More severe weather is in store for the US, including a major windstorm in Southern California, another cross-county winter ...

WINTER STORM LIVE TRACKER: SNOWFALL MAPS, CURRENT ALERTS, POWER OUTAGE FORECASTS "For locations in this region that receive the highest snow totals, it may be the heaviest snowfall in at least a ...

A frigid arctic airmass is forecast to bring freezing temperatures to the Eastern United States this weekend ... below zero are expected across the Great Lakes and Northeast, while the Southeast ...

A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...