Rafael is the 17th named storm of the season.
Tropical Storm Oscar is chugging toward the Bahamas after making landfall in Cuba as a Category 1 hurricane, killing at least six people.
Hurricane Milton has made landfall in Florida as a Category 3 storm near Siesta Key in Sarasota County.
More than 4 million homes and businesses were without power Friday morning in Florida, Georgia and South Carolina.
It is forecast to become a major Category 3 storm in upcoming days.
Texas officials urged coastal residents to brace for a looming hit by Beryl, which was a tropical storm on Saturday but was expected to regain hurricane strength.
Hurricane Beryl strengthened to Category 5 status late Monday after it ripped doors, windows and roofs off homes across the southeastern Caribbean.
Hurricane warnings remained in effect for Grenada and St. Vincent as thousands of people hunkered down in homes and shelters.
An average Atlantic hurricane season produces 14 named storms, seven of them hurricanes and three major hurricanes.
Tropical Storm Arthur has formed off the central Florida coast, becoming the first named storm of the Atlantic hurricane season.