So as @Tut-Greco said in fog removal:
got tired of fog? i made a mod that removes the effect, enjoy
navigate to model folder in game dir, commonly found in
Local disk (C:) > Programs (x86) > Steam > Steamapps > common > Grand theft auto san andreas > models
drop the file in there and replace the original file. please back up the old one before proceeding to do so.
NOTE: this only removes the clouds, not the distant fog. the distant fog is caused by the draw distance, which you can increase by using this mod.
if your file is already modded, send it over to me on Discord
Corder RS #3423and i'll add it for you
I was thinking that this would be nice to have in "m">"Options", like there is "Disable clouds" (Maybe named Disable fog) If its just possible to program there. I dont personally know anything about programming games.