Some of the models suggest that Rafael may even do a small loop out in the Gulf. Meanwhile, a trough of low pressure near Puerto Rico is bringing heavy rain and thunderstorms to the area but has a low chance of development over the next week.

National Hurricane Center forecasters say there's a 70% chance that a system develops over the southwestern Caribbean Sea over the next two days.

With one month left in hurricane season, the National Hurricane Center said Friday said there was a high chance a Caribbean system will form into the season’s next tropical depression while tracking two more systems with potential to develop.