اللَّهُمَّ إِنَّا نَعُوذُ بِكَ مِنْ شَرِّ مَا أُرْسِلَ بِهِ اللَّهُمَّ صَيِّبَاً نَافِعَاً
O Allah I seek refuge in You from the evil of what has been sent. O Allah, give us beneficial rain.
(Hisnul Hasin)