Tropical Storm Erin formed on Monday, with AccuWeather predicting it may strengthen into a major hurricane later this week.

Tropical Storm Erin has formed in the eastern Atlantic and is predicted to become a Category 3 hurricane by the weekend. The fifth named storm of the Atlantic Hurricane season has formed. Here's what you need to know.

Meteorologist Devon Lucie has the latest on Erin and where the storm is likeliest to track, and if there's any chance of moving into the Caribbean or the Gulf, then shows you a weak system highlighted by the National Hurricane Center in the Gulf that is surging in higher tropical humidity and responsible for a lot of storms over the South Shore and what to expect for storm activity through midweek.