4 maps show where cold in U.S. will be most dangerous in coming days
Alerts for cold weather are in effect for nearly half of the U.S. population, running from the northern Plains to the Gulf ...
Where will it snow in the US? See where the polar vortex is set to make an icy impact
According to the National Weather Service, a polar vortex will impact most of the country this weekend, here is what you need ...
Extreme cold forecast for much of US in coming days
Another blast of winter weather is expected in parts of the U.S. in the coming days, including bone-chilling wind in the Northern Plains and unusual snow and ice in the Gulf Coast area.