Tropical Storm Ian has gotten stronger and remains forecast to rapidly intensify and become a hurricane sometime Monday, according to the National Hurricane Center. Forecasters warn that Florida — especially the western Gulf coast, including Tampa Bay — should continue to monitor Ian's progress. As of the 2 a.m. Monday advisory, Tropical Storm Ian was located about 355 miles southeast of the western tip of Cuba, with sustained winds of 70 mph. Ian's movement is northwest at 13 mph. NHC also says Tropical Storm Ian is expected to produce significant wind and storm surge impacts in western Cuba.