Heavy rains were forecast to start late Friday in Antigua and Barbuda, the U.S. and British Virgin Islands and southern and eastern Puerto Rico.

Erin became the first hurricane of the 2025 Atlantic season on Friday morning and is forecast to rapidly strengthen as it heads near the Leeward Islands, and later Puerto Rico and the Virgin Islands.

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.