Here’s the wind chill chart. Notice the four shadings, indicating how long it will take for frostbite. When we get to wind chills of -35 degrees or colder, frostbite can occur in just 10 minutes. Even in the “not as cold” areas of lower Michigan we could get frostbite within 30 minutes.

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, and as far as Florida will see temperatures drop below ...

Bitter cold temperatures are expected to continue throughout the week in Chicago, with wind chills plunging to minus 20, the National Weather Service said. A cold weather advisory is in effect until noon Tuesday, accompanied by winds up to 15 mph; winds ...

Ben Gelber, a meteorologist for NBC4 in Columbus, Ohio, and a Pocono native, said the polar vortex is a large, circular pool of the coldest air in North America that typically hovers high in the stratosphere, about 10 to 30 miles above the North Pole.

Bitterly cold temperatures have hit the Greater Toronto Area, and while there's a brief reprieve on Wednesday, the chilly weather is expected to stick around for the month.

Currently, the forecast shows the potential for wind chills of -33 this weekend in Metro Detroit.