Tropical Storm Watches and Warnings Issued For Parts of Florida Ahead of Ian

Threats From Ernesto Impacting US Coastal Areas

Ian is about to undergo explosive intensification into a major hurricane in the western Caribbean Sea and Gulf of Mexico, a danger to the Cayman Islands, western Cuba and Florida in the coming days.

F​or the very latest on Ian's forecast, click here.

The Weather Company’s primary journalistic mission is to report on breaking weather news, the environment and the importance of science to our lives. This story does not necessarily represent the position of our parent company, IBM.