Woman dies after NSW lightning strike

A woman has died after she was struck by lightning during freak storms in NSW over the weekend.

The 61-year-old died in a Sydney hospital on Thursday morning, five days after she was struck in the Southern Highlands, NSW Police told AAP.

The woman and her two sisters were hit as they sat together on a Bowral park bench on Saturday, Fairfax reports.

The other sisters were reportedly treated for shock.