The infamous weather pattern is actually partly influencing our weather as February ends. And it may again throughout the month of March.

When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation that usually spins quietly above the pole can suddenly send lobes of Arctic ...

In an early sign of the winter weather that's coming, the dreaded polar vortex is making news yet again. The polar vortex is "ramping up from its summer slumber," said meteorologist Judah Cohen in an ...

Nearly all of New England has seen its share of frigid cold days and record mountain snow so far this November — and looking ahead, we’re about to get hit with another blast of Arctic air from a ...

The polar vortex is beginning its seasonal strengthening, signaling a gradual shift toward cooler weather. Frost advisories were issued in parts of the Great Lakes region, New York, and New England as ...