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

A freezing fog advisory is in effect Saturday morning for parts of North Texas, and drivers should watch out for black ice, officials said.

Temps will plummet tonight, and nearly the entire state will experience freezing temperatures, causing water to freeze on roadways.

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

In addition to freezing fog, there is a high likelihood of black ice on roads overnight into Saturday morning, according to the National Weather Service.

There is a First Alert Weather Day for tonight into tomorrow morning for icing on roadways, making for dangerous travel. The weather alert is for both freezing fog and refreezing on roads as temperatures drop into the low 20s tonight.