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 ...

The Twin Cities, and much of Minnesota, has experienced the coldest air in roughly four years. Here's how cold it got.

Protecting homes, cars, people and pets from snow, ice and bitterly cold temperatures is a way of life in many northern ...

The air temperature bottomed out at -19 at 1 a.m. in the Twin Cities, narrowly missing the first -20 air temperature recorded ...

The National Weather Service issued an extreme cold warning for the Twin Cities, cautioning against dangerous wind chills.