Changes the weather to rain for five turns, during which water moves inflict 50% extra damage, and fire moves inflict half damage. If the user is holding damp rock, this effect lasts for eight turns. thunder has 100% accuracy. If the target has used detect or protect, thunder has a (100 - accuracy)% chance to break through the protection. solar beam has half power. moonlight, morning sun, and synthesis heal only 1/4 of the user's max HP. Pokémon with swift swim have doubled original Speed. Pokémon with forecast become water. Pokémon with dry skin heal 1/8 max HP, Pokémon with hydration are cured of major status effects, and Pokémon with rain dish heal 1/16 max HP at the end of each turn.