The National Hurricane Center says Tropical Storm Jeanne formed in the Atlantic Ocean Tuesday and could hit Florida early next week.
Forecasters think Jeanne will become a Category 1 hurricane with winds in excess of 74 miles per hour by Saturday.
The hurricane center says Jeanne will likely hit Puerto Rico by Wednesday morning.
Jeanne could be packing sustained winds of 60 miles per hour with higher gusts when it hits the island drops nine inches of rain.
Because of Jeanne, the hurricane center posted tropical storm warnings for Puerto Rico, the U.S. and British Virgin Islands, St. Kitts and Nevis.
At 11 a.m. eastern time, Jeanne had top sustained winds of 40 miles-per-hour.
Jeanne is centered about 135 southeast of St. Croix in the U.S. Virgin Islands and was moving west-northwest at about 12 miles per hour.
Forecasters predict the storm could hit or skim past the Dominican Republic on Thursday, Haiti on Friday and move over the eastern tip of Cuba or into the Bahamas by Saturday.
Jeanne centered at latitude 16.6 north, longitude 63.1 west.