"A three-day thunderstorm is what it's probably going to be," said Jay Wiggins, emergency management director for Glynn County, which is about 60 miles south of Savannah, Ga., and includes Brunswick and St. Simons Island. "Unfortunately, it's going to ruin a lot of Memorial Day plans."
Wiggins said he expects some flooded roadways and scattered power outages, perhaps some minor flooding in waterfront homes, but otherwise little damage. However, he urged beachgoers to beware of dangerous rip currents.
-- Reported by msnbc.com staff and news service reports
Read the full story. See more Memorial Day images.
Follow @msnbc_pictures