As snow and sleet continue throughout Dallas-Fort Worth Thursday evening, officials are expecting road conditions to worsen overnight and into Friday. Counties across North Texas are under a winter storm warning until noon Friday,

The National Weather Service said a tenth of an inch of ice could accumulate on raised surfaces, such as bridges, and some areas could get up to a quarter inch. But the main travel impacts are expected to be from sleet and snow.

Ice and snow are accumulating on bridges and overpasses of major highways, according to TxDOT. Motorists should drive with caution and expect traffic delays.