Island Waterpark, Wild Water Adventure Park open for 2015 season

FRESNO, Calif. (KFSN) -- The Valley's water parks are celebrating the unofficial start to summer this weekend.

On Saturday, the Island Waterpark and Wild Water Adventure Park both opened for the season. They'll stay open for the three-day weekend from 11 a.m. until 6 p.m.

Wild Water will be open only on weekends until June 2, when the park will begin operating seven days a week.

The Island will only be open on weekends until June 6, when it starts its full summer season.