Tropical Storm Sara has formed in the Caribbean Sea and is forecast to continue strengthening, according to the National Hurricane Center.

Despite the storm’s lack of a well-defined center, it will generate profound rainfall across Honduras, western Nicaragua, eastern El Salvador, Belize, parts of Guatemala and the Mexican state of Quintana Roo through Monday as it gradually tracks north.

Tropical Storm Sara was previously forecast to become a major hurricane, though now the biggest threat Florida faces is rain.