A tropical depression has formed in the Caribbean Sea and is expected to intensify into a tropical storm and potentially a hurricane over the next few days. The system is poised to bring heavy rainfall and strong winds to Central America and could potentially impact parts of the U.

Follow spaghetti models, tracking for a tropical rainstorm in the Caribbean Sea that could threaten Florida as a major hurricane. Northern lights activity continues with potential sightings in tonight's sky. The latest batch of wintry weather is heading for the Pacific Northwest.

The National Hurricane Center said Potential Tropical Cyclone 18 is expected to become a tropical depression or storm on Monday.

A developing area of low pressure in the central Caribbean Sea has a high chance of becoming a tropical depression within the next few days. The system is expected to move slowly westward into the western Caribbean Sea,

Tropical Storm Rafael expected to form Monday and possibly enter the Gulf of Mexico as a hurricane. What happens next?

Storm Team 10 and the National Hurricane Center are monitoring Tropical Depression 19, which has formed in the Caribbean Sea and is expected to become Tropical Storm Sara in the next 24 hours.

A disturbance swirling over the Caribbean Sea on Wednesday has now been designated Tropical Depression Nineteen, and forecasters say the system will likely strengthen into Tropical Storm Sara later on Thursday.