Tropical Storm Erin, still far in the east-central Atlantic, is forecast to intensify into a major Category 3 hurricane by this weekend, but a big turn to the north is still expected before the

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

Tropical Storm Erin is expected to begin strengthening soon and is likely to become a hurricane in the next 48 hours, according to the latest advisory Aug. 12 from the National Hurricane Center.