How to get my world rain command?

The rain command of this game needs to open the console to enter the command. After entering My World, players need to open the game console, then enter the command /weatherrain in the console and press Enter. You can see that in the lower left corner of the game, the system prompts that the weather has changed to rainy day.

The command to change the weather in my world is/weather. For example, switch to sunny days and enter the command /weatherclear.