The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...

Like much of the U.S., Wisconsinites woke up Tuesday morning to bitter cold conditions. Many schools and colleges throughout ...

Arctic air has brought chilling temperatures as low as 12 degrees in New York City on Monday night but are we in a polar ...

Most of the current cold snap, which swept in a few days ago, should have passed, but temperatures remain dangerously low.

Most of Maryland is under a cold weather advisory through Thursday as temperatures plummet into the single digits in the region in the wake of the weekend snow. The National Weather Service, which ...

This blast of frozen temperatures is tied to a polar vortex... but what is that? Air spins around the notoriously cold North and South Poles. When the air is spinning fast, it's stable, but when it is ...

Wednesday will be another day of frigid temperatures, with a low of 2 degrees, as cold air from a polar vortex has moved ...

According to the National Weather Service in State College, wind chill values could be as low as 10 to 15 degrees below zero.

Even if you didn't see snow, the Arctic air blast from the polar vortex is still here. See how to get ready for the cold. When will Mississippi get warm?

∎ Tuesday night: A 20% chance of snow showers before 9 p.m. Cloudy during the early evening, then gradual clearing, with a ...