TALLAHASSEE, Fla. — A very hot and unstable atmosphere will help fuel severe thunderstorms across the Florida Panhandle and parts of the Southeast on Sunday as a cold front slowly moves south into the state. Rounds of showers and thunderstorms are expected to continue through the weekend. MILLIONS UNDER HEAT ALERTS AS LIFE-THREATENING HEAT DOME BAKES THE WEST WITH TRIPLE-DIGIT TEMPERATURESCities at risk for downpours and flooding include Tallahassee, Orlando and Jacksonville. (FOX Weather)Cities at risk for downpours and flooding include Tallahassee, Orlando and Jacksonville. The rainfall will be beneficial in parts of the state that are still experiencing severe to extreme drought conditions.