. "Weather effects"@en . . . . "Weather effects are ambient graphics that appear in-game that simulate real weather. They have no mechanical effects except triggering spawns on certain rare battle pets . In Patch 1.10 rainfall, snowstorms and sandstorms were added to various zones in World of Warcraft."@en . "Weather effects are ambient graphics that appear in-game that simulate real weather. They have no mechanical effects except triggering spawns on certain rare battle pets . In Patch 1.10 rainfall, snowstorms and sandstorms were added to various zones in World of Warcraft."@en .