Tropical Storm Melissa continued its slow slog across the Caribbean Sea on the morning of Oct. 25, and forecasters said the storm is expected to rapidly intensify over the next 24 hours, potentially powering up to a Category 4 or 5 hurricane with winds over 150 mph.

Forecasters are monitoring Tropical Storm Melissa, which is expected to become a “major” hurricane by the end of the weekend.

On the forecast track, Melissa is expected to move closer to Jamaica and the southwestern portion of Haiti during the next couple of days.