FS2004: What about fog/mist ???

Well....FS2004 has gone GOLD but...Everybody is interested in clouds, rain and lightning thunder...No body has asked about fog/ low visibility.... what about our CAT III landings ???How the runway lights look when there is fog ? What about fog at night ????If anybody knows - has any idea, answers are wellcomedSamuel KalachorasAthensGreecePS: I would ask about flight dynamics but that's another painful story...