The outer bands of powerful Hurricane Erin lashed Puerto Rico, and the storm is approaching the Bahamas next. What can the mainland U.S. expect?

Hurricane Erin weakened slightly Saturday night but is still a formidable Category 4 storm north of Puerto Rico. The 11 pm advisory from the National Hurricane Center now has Erin with winds of 140 mph,

While a Gulf disturbance that moved into Texas on Friday seems to have run its course, Hurricane Erin in the western Atlantic intensifies.