The hatched areas on the National Hurricane Center's tropical outlook map indicate "areas where a tropical cyclone — which could be a tropical depression, tropical storm or hurricane — could develop," said National Hurricane Center Deputy Director Jamie Rhome.

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

The National Hurricane Center is monitoring a disturbance expected to stall over or near Florida, which could affect your Fourth of July weekend.