After days of heavy rain and storms along a cold front, flurries left a thin layer of snow atop vehicles in western Mississippi early Wednesday. A Mississippi River bridge turned white in Greenville.

Low temperatures dropped into the 20s, and forecasters say the chilly weather will spread.

The National Weather Service issued a freeze warning for Louisiana through western Alabama as far south as the Gulf Coast from Wednesday night into Thursday. Forecasters say temperatures could drop into the upper 20s.

A flash flood watch remained in effect for north Georgia and the Carolinas, which forecaster say could get another 3 inches of rain.