Jerry has strengthened to a Category 2 hurricane and is packing sustained winds of 105 miles per hour in the Atlantic as it heads in the direction of the northern Leeward Islands.
The storm will pass north of the islands later today.
Jerry - the 10th named storm of the 2019 Atlantic hurricane season -will dump up to three inches of rain from Barbuda northwest across St. Maarten, Anguilla, and Anegada.
It will drop up to two inches of rain across the Virgin Islands and Puerto Rico.
A second tropical storm, Mario, was about 590 kilometres south of the southern tip of the Baja peninsula late yesterday and had sustained winds of 100 kilometres.
It is not a threat to land at this time.
Forecasters are also monitoring Tropical storm Kiko which is also not a threat to land.