Over the weekend, Erin is expected to rapidly intensify all the way to a Category 3 hurricane. By Monday, as the storm steers away from the Caribbean and toward Bermuda, it's now forecast to hit Category 4 with 130 mph sustained winds. Some long-term computer models suggest it could get even stronger and hit Category 5 in the open ocean.

Hurricane Erin gained strength Friday as it churned in the Atlantic Ocean and bore down on the Caribbean, where it could bring heavy rain to the Virgin Islands and Puerto Rico.Erin, the first hurricane of the Atlantic season this year,