U.S. National Hurricane Center: Hurricane Dorian has weakened to a Category 1 storm with top sustained winds of 90 mph

U.S. National Hurricane Center: Hurricane Dorian has weakened to a Category 1 storm with top sustained winds of 90 mph

WILMINGTON, N.C. -- U.S. National Hurricane Center: Hurricane Dorian has weakened to a Category 1 storm with top sustained winds of 90 mph.