The outside pool closes. Imo a lot if there's any chance for rain, thunder etc. They close. You can get updates sent to your phone, or email that's what I do
Yes there is a separate inside park.
They close if there is lightning until it passes at least 30 mins away. Both inside and out pools. You may wanna call on a rainy day. We had to wait in parking lot for a bit last time
There is a separate indoor water park
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