Much of North Texas is also under a freezing fog advisory through 9 a.m. Saturday, according to the NWS. Conditions are then expected to improve later in the morning, as the fog starts to clear and the temperatures rise, meteorologists say.

While temperatures will warm up by mid-morning, refreezing remains a concern, particularly north of the Metroplex.

DALLAS - A Freezing Fog Advisory has been issued for a large portion of North Texas. Roads are already beginning to ice up across North Texas with accidents reported across parts of Denton, Tarrant and Collin counties.

North Texas is experiencing light slow, freezing drizzle and slick road conditions, causing road closures and traffic delays across the Metroplex.A winter storm advisory is in effect for certain areas until 12 p.