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

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

Here’s the wind chill chart. Notice the four shadings, indicating how long it will take for frostbite. When we get to wind ...

Cold temps are not uncommon in January, but the polar vortex-related extremes the Elgin-area will see Friday are downright ...

When the polar vortex breaks, Artic air come south. Here's what to know right now.

A polar vortex disturbance will drive a winter storm in Kentucky, with snow, frigid temps, and wind chills below zero ...

The meteorologists said the polar vortex system is set up due north of Michigan over Canada's Hudson Bay. It's at least ...

"Bitter cold could linger through the end of the month," the Weather Prediction Center said in an update on Monday.

After this weekend's snow storm moves out, cold Arctic air will move in.

Our observed minimum wind chills from Friday morning ranged from -20° to -30°! We’re not done yet! Friday’s actual temperatures could fall below -15° for some.