A hurricane warning is in effect for the Cayman Islands and the Cuban provinces of Pinar del Rio, Artemisa, La Habana, Mayabeque, Matanzas and the Isle of Youth.

Tropical Storm Rafael is expected to become a hurricane by the end of Wednesday. Rafael is expected to strengthen into a hurricane as it heads toward Cuba. “Rafael is expected to become a hurricane as it passes near the Cayman Islands with further strengthening before it makes landfall in Cuba,” according to the National Hurricane Center in Miami.