There is a 30% chance that the system will develop in the next two days and a 40% chance that it will develop within a week. A low-pressure system spotted Monday afternoon by forecasters is causing showers and thunderstorms over the southwestern Caribbean.

The National Hurricane Center on Tuesday continued to track one system in the Atlantic and one in the Caribbean that have chances to develop into the season’s next tropical depression or

Forecasters are monitoring two low-pressure systems in the Atlantic Ocean and the Caribbean Sea that could gradually develop later this week, according to the National Hurricane Center in Miami.