An area of low pressure is forecast to develop along a weakening frontal boundary near Florida or the Atlantic coast of the southeastern United States on Friday or Saturday, the National Hurricane Center said in its 2 p.

There's now a 40% chance for a tropical or subtropical depression forming near Florida by the Fourth of July holiday weekend.

A possible tropical system is expected to bring heavy rain to Central Florida, which is why the FOX 35 Storm Team has designated Thursday and Friday as Weather Impact Days.