Due to inclement weather, the park will be closing today.— Six Flags MM (@SFMagicMountain) November 29, 2018
It was not known when Six Flags would reopen, but SeaWorld was slated to reopen on Friday at 11 a.m.
MORE: Southern California weather forecast
The rain was expected to fall intermittently across the Southland through Friday.
Download the ABC7 app for weather alerts: Click here for for iOS devices | click here for Android devices. If you have the app, turn on push notifications and personalize the app. Click on My News from the bottom menu, then star the topics you'd like to follow and tap Done.