A chilling polar vortex is set to bring snow and ice to the South and East this week. We show where.

Extremely cold air is going to take over Michigan, as the center of the Polar Vortex drops far south. The center of this swirling vortex will come as far south as Lake Superior. When the center of the Polar Vortex is so close to Michigan,

Large swaths of the United States will get an arctic blast this week, leading to heavy snow, sleet, and freezing rain in parts of the country. Here’s what that means for travelers.

A major ice storm is expected to impact multiple states from Texas to Georgia this weekend,

As a winter storm approaches Western North Carolina and other regions, here's what to know about deciphering forecaster terms.

The meteorologists said the polar vortex system is set up due north of Michigan over Canada's Hudson Bay. It's at least partly responsible for the frigid temperatures around the region that contributed this week to a 100-vehicle pileup in southwest Michigan and led the city of Detroit to declare a cold weather health emergency.

A storm riding the edge of incoming polar air could bring the D.C. region a meaningful snowfall Sunday, but the exact track will determine whether the region sees a decent storm or misses out entirely.

A prolonged blast of bitter cold is forecasted to firmly lock Toronto in winter’s grasp for the rest of the month, as a polar vortex brings on a deep freeze to the Greater Toronto Area.