American residents across 15 states have been issued with "extreme cold" and "freeze" warnings by the National Weather ...

Actual air temperatures will only be in the single digits early Tuesday morning -- but the wind chills will be well below zero with more snow in the forecast.

A severe winter storm has moved in, set to affect millions of Americans, including in the Greater Cincinnati region.

The National Weather Service said that wind chills in the Pittsburgh region could fall as low as 25 below zero.

The National Weather Service has issued an extreme cold warning for all of Wisconsin. In southeastern Wisconsin, the extreme ...