Tropical Storm Sara could strengthen some in the next few days if it remains over water, off the coast of Honduras. The storm is expected to move west-northwestward by late Saturday, forecasters

MIAMI - The lower and middle Florida Keys are under a tropical storm warning as Hurricane Rafael is forecast to grow steadily on a path for Cuba, where it's expected to arrive on Wednesday. A tropical storm warning is also issued for portions of Cuba. A hurricane warning is in effect for parts of Cuba.

A tropical depression is expected to form in the next few days, the National Hurricane Center said. “Next week, what will become the next named storm of the hurricane season, can impact Florida. Invest 99L is likely to become a tropical depressing in the next day or so and continue to strengthen through the end of the week,

Today on Tracking the Tropics, we'll have the latest on a disturbance in the Caribbean that is likely to form in the coming days. The show streams live at 12:30 p.m. ET on WFLA.com and the WFLA app.

"Not only does this have a significant chance of becoming a hurricane, but it may become a major hurricane very quickly," hurricane expert Alex DaSilva said