FEMA and the National Weather Service have issued a bulletin warning of the risk of a severe thunderstorm system developing in western Georgia.
The agency said the storm is expected to move into the western United States early Sunday.
It is expected over the weekend to bring heavy rain and gusty winds.
The storm is centered about 85 miles (140 kilometers) west of Savannah.
It could bring down trees and power lines, cause flash flooding and damage to power lines and substations, as well as power outages.
The National Weather Services issued a severe weather warning for the city of Savannah as well.