This will fix the underground weather that was outside weather, also fixed the allways good weather now it will work. 1.1 Added 2 more maps to use proper weather.
You need to start a new game, then load your last savegame for it to work if it doesnt work after a few tries you mite need to start a new game, sorry for the inconvenience...
Extract to your soc directory and overwrite when asked.
Good hunting stalkers