First Alert Weather Days have been issued for Maryland for dangerous weekend cold with a disruptive winter storm

Widespread snow and a potentially damaging ice storm are on the table from the South into the Northeast. Here’s the very latest forecast timing and who could be affected most.

The season’s most extreme storm so far is set to lash the eastern half of the United States with damaging ice and heavy snow late this week. It’s all being fed by a brutal blast of Arctic air that’s bringing the season’s coldest air to date.

Millions of people in the High Plains will experience widespread wind gusts between 60 to 80 mph, from Montana to Kansas.

Forecasters are warning of a sprawling winter storm that's predicted to spread a mess of ice and snow over a 2,000 mile stretch of the nation.

A powerful winter storm is on track to bring heavy snow and dangerous ice to the Northeast and Mid-Atlantic, with the latest projections showing the region at risk for significant impacts starting Saturday night,

Meteorologists are still watching a major winter storm that could hit the Albany area this weekend, but forecasts show it trending northward.

The pileup in Michigan is the latest impact of the major winter storm moving across the U.S. More than 200 million people are in the path of the arctic blasts.

Around 55 million people are under winter weather alerts across the northern Plains, Great Lakes, Northeast and Southeast from two separate systems.

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in the U.S., and why meteorologists talk about it during major cold events.