Forecasters are keeping an eye on a tropical rainstorm in the Caribbean with the potential to hit Florida as a major hurricane next week. Tropical rainstorm Invest 99L is expected to become a tropical depression in the next couple of days and develop further as it moves over the central Caribbean Sea,

Hurricane Rafael formed in the northwestern Caribbean near the Cayman Islands on its way to making landfall in Cuba.

The NHC said Wednesday it is tracking a tropical wave in the Caribbean Sea that could become a tropical depression by the end of the week.