Snow, freezing rain and rain are underway in the southern Plains as a potent winter storm strengthens Thursday.

A low-pressure system is moving across the country, delivering rain, snow, and ice to much of the southeast. This same system will be making its way along the east coast early this weekend, bringing a chance for accumulating snow to the tri-state.

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