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 was rapidly picking up steam on Tuesday afternoon as it chugged toward the Cayman Islands in the Caribbean, and will likely become a hurricane in the next few hours, according to the U.

SAN JUAN, Puerto Rico (AP) — Tropical Storm Rafael chugged toward the Cayman Islands on Tuesday and was forecast to strengthen into a hurricane en route to Cuba. The storm was located 105 miles (170 kilometers) southwest of Kingston, Jamaica, early Tuesday.