The forecast remains largely unchanged, with only a slight slowdown in rainfall coverage expected Thursday. Showers and thunderstorms will continue to develop across the region, bringing periods of brief heavy downpours and the potential for localized flash flooding.

Environmental protection non-profit Chattahoochee Riverkeeper estimates that thousands of fish died along a 20-mile stretch of river after an intense thunderstorm in Georgia.

Chattahoochee Riverkeeper says flash flooding triggered a sewage spill, killing thousands of fish and leaving trash and a foul smell along the river in Fulton County.