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.

A system in the western Caribbean has a high chance for development between Oct. 31 and Nov. 4, according to AccuWeather.

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