Tropical Storm Rafael is strengthening in the Caribbean as it approaches the Cayman Islands. NHC The Florida Keys are now under a tropical storm warning as Tropical Storm Rafael approaches the Cayman Islands, potentially setting up western Cuba for a ...

MIAMI - The lower and middle Florida Keys are now under a tropical storm warning as Tropical Storm Rafael is forecast to grow steadily as it churns past Jamaica's west coast on a path for Cuba, where it's expected to arrive later in the week as a hurricane.

Tropical Storm Rafael was chugging past western Jamaica on Tuesday and was expected to strengthen into a hurricane before making landfall in Cuba and potentially impacting the Florida Keys.