The ones in the Sinnoh games.
Fog however, cannot yet be invoked through a Pokémon's move or ability. When it is foggy, a Pokémon's accuracy will be reduced by 10%. The move Defog however, will get rid of the fog. Note Castform's Forecast ability will change its type depending on the weather. The abilities Cloud Nine and Air Lock will also nullify the effects of any weather.
http://www.smogon.com/dp/articles/team_support#Weather
