Similarly, wind chill temperatures measure how cold people and animals feel when outside, measuring the rate of heat loss ...

The polar vortex will engulf much of North America as we head into next week, with temperatures dipping down into the -20s and -30s in some Canadian provinces. Even states like the Carolinas, Georgia, ...

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