Meteorologists are advising people to keep track of the latest forecasts as the potential for a winter storm across Oklahoma on Friday and Saturday looms.

The National Weather Service in Tulsa said rain, snow and sleet are possible beginning late Thursday night through Saturday.

Details haven’t been determined yet, and forecasts will be revised throughout the week, but the weather service predicts a 60-70 percent chance of rain, sleet or snow Friday, Friday night and Saturday.

“The potential for a significant winter weather event across a good chunk of the area remains,” the weather service said. “The details of which will continue to be refined in the coming days.”

A storm system over northern Mexico will reportedly move into north Texas late in the week after cold air sets in across the plains.

The most recent forecast puts Oklahoma on the northern side of this system.

“The transition zone between liquid and frozen precipitation will dissect the forecast area (northeast Oklahoma and northwest Arkansas), with obviously rain in the south and a mixed bag of winter types to the north,” forecasters said.