Erin, moving near the Leeward Islands, strengthened into a hurricane on Friday morning and is expected to pass north of Puerto Rico this weekend, the National Hurricane Center said.

Tropical Storm Erin on Wednesday continued to push west through the Atlantic with it forecast to become the season’s first hurricane, growing to major hurricane strength by the weekend,

Erin is expected to become a hurricane Friday, Aug. 15 and a major hurricane by Sunday morning. What Florida can expect from the storm.