Polar Vortex, cold

According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...
It's going to get cold in Tennessee. Meteorologists predict freezing temperatures for much of the state. Here's the latest.
The polar vortex is expected to reach the Utah-Idaho border sometime in the late afternoon and evening Friday as it continues ...
We start the following work week with a polar vortex. This will bring in unseasonably cold air to the region and wind chill ...