Ubad bin Tamim narrates: He heard his uncle, who is a companion of the Prophet (peace be upon him), narrate: One day the Prophet (peace be upon him) went out to perform the prayer for rain (Salat al-Istisqa), and he turned his back to the people and faced the Qiblah, then he turned his cloak inside out and performed two rak'ahs.
Hadith Referenceصحیح ابن حبان / كتاب الصلاة / 2866
Hadith Gradingفضيلة الشيخ الإمام محمد ناصر الدين الألبانيصحيح: ق - انظر ما قبله.فضيلة الشيخ العلّامة شُعيب الأرناؤوطإسناده صحيح على شرط مسلم