Erin, the first hurricane of the season, exploded to a Category 5 hurricane Saturday, and despite fluctuations in intensity, the storm is remaining formidable this weekend. Here's where it could head in the week ahead.

Hurricane Erin is rapidly intensifying as it tracks above the northeastern Caribbean Saturday, churning up rough surf and sending rain and gusty winds to islands south of its path.

Erin, the first hurricane of the season, is now forecast to become a Category 4 by Sunday. Here's where it could head in the week ahead.

The U.S. could see the landfall of its first hurricane this year in the coming weeks, as Tropical Storm Erin continues to build in the Atlantic. Current projections see the storm developing into a hurricane sometime in the next few days as it moves west across the ocean,