Tropical Storm Melissa is expected to rapidly intensify over the weekend into a Category 4 hurricane, according to the National Hurricane Center. The slow-moving storm is forecast to bring "life-threatening and catastrophic flash flooding and landslides to southern Hispaniola and Jamaica through the weekend.

Tropical Storm Melissa is expected to bring lots of rain to the Dominican Republic, Haiti and Jamaica but its path beyond that isn't clear, the National Hurricane Center says.

Tropical Storm Melissa is expected to become a major hurricane over the weekend. The storm is currently located in the Caribbean and is not expected to directly hit Florida. Jamaica and Haiti are under hurricane and tropical storm watches and warnings.

Tropical Storm Melissa has formed in the Caribbean Sea, according to the National Hurricane Center. See where the storm is headed.

Tropical Storm Melissa is expected to bring catastrophic flash flooding and landslides to parts of the Dominican Republic, Haiti and Jamaica.

Tropical Storm Melissa strengthened Friday afternoon and is likely to become a major hurricane by the start of next week.

The strengthening storm is most likely to approach Jamaica and/or Hispaniola late this week. In the days that follow from there, the potential path for the storm remains uncertain, and troubling.

Tropical Storm Melissa is expected to become a major hurricane by Monday, according to the National Hurricane Center.

The National Hurricane Center predicts that Melissa could become a monster Category 4 hurricane as it skirts around Jamaica early next week.

Tropical Storm Melissa is lumbering through the Caribbean Sea and bringing a risk of dangerous landslides and life-threatening flooding to Jamaica and southern Hispaniola.

Hurricane Melissa is currently a Category 1 storm with maximum sustained winds of 90 mph as it's "starting to accelerate northeastward over the Bahamas," the National Hurricane Center said.