[Tropical Storm Erin] (https://www.theweathernetwork.com/en/news/weather/forecasts/tropical-storm-erin-has-formed-in-the-atlantic-and-will-be-one-to-watch), the fifth named storm of the 2025 Atlantic hurricane season, is on schedule for a long journey across the ocean — but its final location is still unknown.

The storm is expected to become a hurricane this week and a major hurricane this weekend. Here’s what we know about it.