A tornado watch as been issued for much of metro-Atlanta until 4 a.m. Sunday.

Scattered to numerous strong thunderstorms are expected tonight. There's a 40 percent chance of thunderstorms on Sunday. The National Weather Service at Peachtree City is predicting patchy fog before 9 a.m., showers and possibly a thunderstorm before 2 p.m., then a chance of showers and thunderstorms after 2 p.m.

To see radar of the storm systems, click here.