Weather not visible to singleplayer/coop hosts

Game mode: Singleplayer
Problem: Bug
Region: England

The host of a singleplayer/coop game can not see weather, while the other players who join can see it.

Steps on how to reproduce issue: a singleplayer/coop game
2.have a buddy join
3.wait for it to rain
4.have the host observe a noticeable lack of rain