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With temperatures falling into the 20s Wednesday night, wet spots on clearing roads are subject to refreezing to create black ice.

The National Weather Service in Morristown advised Lakeway Area residents to be prepared for slick spots overnight into Thursday morning, especially on roadways that are untreated. Residents are urged to use caution if traveling.

The Lakeway Area was set to get rain Wednesday evening until Thursday morning when the rain was to change to snow. Little to no accumulation is expected before ending Thursday evening.

According to the National Weather Service, a low-pressure system was set to continue bringing rain and thunderstorms across the South and Southeast Wednesday, with light wintry precipitation in the Mid-Atlantic. Passages of frontal systems will bring periods of light to locally moderate snow for the Great Lakes Thursday and into Friday.

A low-pressure system currently located on the Gulf Coast will continue to bring rain and thunderstorms to the Southeast, and light wintry precipitation to the Mid-Atlantic. Relatively warm water temperatures in the Gulf will continue to be transported into the Southeast and will support widespread precipitation through Thursday morning. Meanwhile, a front over the Mid-Atlantic will be supported by colder air coming from the Great Lakes, bringing light snow and wintry precipitation in southern Virginia and North Carolina.

Precipitation associated with this system is expected to subside in the Southeast and Mid-Atlantic by Thursday afternoon, with the exception of Florida, where precipitation will continue until the overnight hours.

Behind the system, mostly clear skies will return to much of the eastern U.S., with frigid temperatures expected to move back in. Temperatures in the single digits and teens are forecast by Thursday morning from the Ohio Valley to much of the Northeast.

The Lakeway Area was set to get a 40% chance of rain Wednesday night with a low of 23 and cloudy skies. There was a slight chance of flurries, along with patchy fog Wednesday night. Thursday will begin cloudy, then gradually becoming mostly sunny with a high of 36 and a low of 22. There will be a 20% chance of showers after 1 p.m. Friday, but will become partly sunny with a high of 46. There will be a 30% chance of rain Friday night before it changes to snow.