Universal Orlando's theme parks are open Thursday, but Volcano Bay water park is closed and Halloween Horror Nights is canceled for the evening. Universal Studios Florida will close at 5 p.m. and Islands of Adventure will close at 8 p.m. as previously scheduled. CityWalk will close early at 8 p.m., according the resort.

Hurricane Helene is closing in on Florida with landfall expected in the Big Bend area late Thursday. See which theme parks are affected by major storm