Lots of factors in play but Tropical Storm Sara is expected to form this week and could become a major hurricane threatening the US next week.

The National Hurricane Center reports a storm 165 miles east-southeast of Honduras, potentially strengthening as it moves west toward Florida. Florida's coastal regions, including Tampa and Fort Myers,

In a worst-case scenario for the U.S., a major hurricane could hit Florida's Gulf coast, but forecasters say it would have to clear several hurdles.