Some areas in northern Georgia have had more than 5 inches of rain in 24 hours, with more expected today.
Showers and thunderstorms will be possible at Oriole Park and U.S. Cellular Field.
Severe weather moved through the Plains Saturday. Tornadoes were reported in Kansas.
The 2013 severe weather season took a dangerous jump on Wednesday when an EF-4 tornado ripped through the town of Granbury, Texas, just southwest of Fort Worth.
Weather forecast overview for the United States
An isolated tornado and hail threat will continue Saturday night from northern Kansas into Nebraska. The greater potential exists with gusty, destructive winds.