Large parts of the eastern and central United States are expected to see heavy snow. But south of the snow line, forecasters are warning that the storm could deliver dangerously icy conditions. Exactly where that snow vs. ice line will fall was still uncertain on Wednesday.

Oncor and ERCOT are gearing up for a major winter storm across North Texas.

Gov. Greg Abbott issued a disaster declaration for more than 125 counties in Texas ahead of this weekend's winter storm that he said will bring "ultra cold temperatures."

South Carolina is expected to get hit with a winter storm and millions of residents could potentially lose power. Here's how to get ready now.

As an impactful winter storm moves toward North Texas this weekend, state grid operators say they are taking steps to monitor electricity demand and grid reliability. The Electric Reliability Council of Texas (ERCOT) has issued a Weather Watch from Saturday,