"We've been seeing showers and thunderstorms throughout the night," said Minton.
The slow-moving storms are causing heavy downpours in some areas, such as along Interstate 75 in Cobb County and areas around Athens, Minton said.
"It's going to be slow going on some of the highways. There could be some ponding on some of the roads," said Minton.
DRIVERS: Check Your Route
Minton said the rain is pushing around an area of low pressure in the upper atmosphere, causing the rains to move from the southeast to the northwest.
The rain should be moved out of the area by 2 p.m.
The high on Thursday is 77 degrees. Minton said the temperatures will reach the 40s by Sunday morning.