A low pressure system off the coast of Africa is forecast to become a tropical storm or Hurricane Erin this week and move toward the U.S. east coast. But many uncertainties remain, including the

The first hurricane of the season will probably form in the Atlantic later this week, potentially strengthening into a major Category 3 storm north of the Caribbean Islands. After emerging from Africa this past weekend, a tropical disturbance is forecast to bring rough weather to the Cabo Verde Islands into Monday.

The National Hurricane Center is tracking two weather systems in the Atlantic Ocean – neither of which pose immediate risk to the United States – while Henriette and Ivo wax and wane in the Pacific Ocean.