Tropical Storm Rafael gained steam late on Monday as it churned northward toward Cuba, which is still struggling to recover from a nationwide blackout and hurricane two weeks ago. The U.S. National Hurricane Center said Rafael would see "steady or rapid intensification" before plowing across western Cuba with maximum predicted winds of up to 100 mph (160 kph) by Wednesday.

Tropical Storm Rafael has begun to strengthen in the Caribbean Sea, and it is expected to reach hurricane strength by Wednesday and bring destructive winds and heavy rainfall to the region. Rafael was approximately 105 miles south-southwest of Kingston,

(NOAA via AP) Updated [hour]:[minute] [AMPM] [timezone], [monthFull] [day], [year] SAN JUAN, Puerto Rico (AP) — Tropical Storm Rafael was chugging past western Jamaica on Tuesday and was expected to strengthen into a hurricane as it headed toward Cuba.

Tropical Storm Rafael is expected to become a hurricane in the Caribbean as it approaches Cuba and prepares for landfall.

From there, the forecast takes Rafael past Jamaica, which remains under a tropical storm warning, and the Caymans, which remain under a hurricane warning, on Tuesday. The lower Florida Keys and Dry Tortugas are under a tropical storm watch.

Tropical Storm Rafael is expected to strengthen into a hurricane before making landfall in Cuba Wednesday, according to the National Hurricane Center.

Tropical Storm Rafael strengthened into a Category 1 hurricane on Tuesday as it swirled past the Cayman Islands and chugged toward western Cuba, where it's forecast to hit as a Category 2 hurricane. It was another stroke of bad news for Cuba,