Raining in different worlds and will not stop

Put the summary of the bug you're having here

*What I expected to happen was the rain would stop after a little while like it used to.

*What actually happened was the rain continues on for weeks and there's no way of stopping it. I was just on creative mode and after a little while of playing, it started raining and it doesn't go away even when I change the settings to have it daytime all the time or have it on night and day.

Steps to Reproduce:
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