This is the weather mod I use EnvSimAct_Stiebler
I uploaded it here
https://mega.co.nz/#!vwh1SDLZ!DZCBhg...ZrLeNRyK-PGT7Q
It is the best weather mod I have found, is a stand alone mod, and should work with all major mods. It has no readme but, just pop it in your main SH3 folder and let it overwrite the EnvSimAct already there or, for JSGME, make a folder labeled EnvSimAct, put the file inside, put it in the MODS folder and enable.
