Hurricane Erin became the first hurricane of the 2025 Atlantic season Friday (Aug. 15) morning, strengthening as it moves toward the northeast Caribbean and prompting tropical storm watches for parts of the northern Leeward 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.

Hurricane Erin strengthened rapidly to a Category 3 storm early Saturday as it churned towards the Caribbean, with a warning issued that flash floods and landslides were possible.It also warned of "locally considerable flash and urban flooding,