The storm, with maximum sustained winds of 50 mph (85 km/h), is expected to continue rapidly weakening and is forecast to dissipate by Monday evening or early Tuesday, the Miami-based NHC said. Orlene arrived onshore just north of the border between the states of Sinaloa and Nayarit at around 7:45 a.m. MDT (1345 GMT) and is moving north-northeast, according to the NHC.