Another major winter storm is expected to slam portions of the central and eastern U.S. this week, with heavy snow and strong winds threatening to induce dangerous travel conditions, knock out power and ground flights, forecasters warned.

Snowy weather will roll into Oklahoma on Thursday. Here is the timeline of when to expect snow, sleet and a return to seasonal temperatures.

Knoxville and East Tennessee will soon be covered in a fresh blanket of snow. Here's when and how much snow East Tennessee can expect on Friday.