Tropical Storm Rafael officially formed Monday. Sustained winds are reaching 45 mph with gusts up to 60 mph. This developing storm is expected to impact the Cayman Islands as a tropical storm before impacting Cuba as a hurricane Wednesday afternoon.

A system in the Caribbean became Tropical Storm Rafael Monday and was expected to become a hurricane later in the week, forecasters said.

Tropical Storm Rafael formed in the Caribbean on Monday, a storm that's predicted to intensify into a hurricane and threaten the Gulf Coast this weekend.