Extreme cold, major snow likely for millions across US. See the maps.

Winter storms and extreme cold are forecast to wallop the U.S. with snow and ice through the weekend. Prepare for power outages and transportation issues.
Click2Houston

Texas winter weather map: Where snow, ice and sleet are possible this weekend

As a powerful Arctic front moves into Texas, winter weather is expected to stretch beyond Houston, with different parts of the state facing snow, sleet or freezing rain over the weekend.
news10nbc

First Alert Weather In-Depth: Why warm fronts matter during the winter season

ROCHESTER, N.Y. – Frontal impact may sound like the title of a B-movie adventure, but in meteorology, fronts can make a significant difference in the type of weather we experience, especially during the winter season. In this case, we are focusing on ...