The National Weather Service has issued a severe thunderstorm warning for Barrow, Morgan, Oconee and Walton counties until 7:30 p.m.
Temperatures this Sunday have been hot, and isolated storms will developed this afternoon.
Severe Weather Team 2 Meteorologist Eboni Deon says the forecast will remain active heading into Monday and Tuesday, staying hot with scattered storms.
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Deon said temperatures will reach highs in the upper 80s to 90s.
[INTERACTIVE: StormTracker 2HD Radar]
On Wednesday, temperatures start turning around and becoming cooler and more seasonal, with highs in the lower 80s before drying out Thursday.
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