News ‘Small but dangerous’ Sam strengthens to major hurricane, expected to continue growing September 25, 2021September 25, 2021Cheryl McCloud and Jeanine Santucci, USA TODAY NETWORKComments Off on ‘Small but dangerous’ Sam strengthens to major hurricane, expected to continue growing SamĀ strengthened into a major hurricane Saturday morning and could reach the U.S. in the early days of October.