Currently, you can only use /feweather either from console (for DIM0) or from the game (for current dimension).
There's no way to target specific dimension. Which is sad. Very sad.

I don't see any functionality in the feweather code to run from console at all. Can you detail the steps you used to run it from the console?

Aww, sorry. We were talking it through and I somehow confused it.
Stiil, it would be wonderful to be able to control server from console, don't you think?

Yea, it would