Rain sound ends

What this problem is related to? (e.g. Game / Launcher / Website / etc. ):

Describe the problem: When the rain ends, its sounds ends immediately. That sounds like someone just have turned it off.

What was the expected behavior?: Weather effects should change gradually, including their sound effects.

List the steps that occurred before the problem appeared:

Can you reproduce the problem?:

Operating System, Browser version, Antivirus, or any other related platform information (if relevant):

Screenshots/Videos (if available):