Invoking Allah for Rain (Istisqaa)
15/18. Chapter:
The Istisqa' prayer consists of two Rak'a
Sahih Bukhari
حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا سُفْيَانُ، عَنْ عَبْدِ اللَّهِ بْنِ أَبِي بَكْرٍ، عَنْ عَبَّادِ بْنِ تَمِيمٍ، عَنْ عَمِّهِ، أَنَّ النَّبِيَّ صلى الله عليه وسلم اسْتَسْقَى فَصَلَّى رَكْعَتَيْنِ، وَقَلَبَ رِدَاءَهُ.
Narrated `Abbad bin Tamim from his uncle who said: "The Prophet (ﷺ) invoked Allah for rain and offered a two rak`at prayer and he put his cloak inside out."
Reference : Sahih al-Bukhari 1026In-book reference : Book 15, Hadith 21USC-MSA web (English) reference : Vol. 2, Book 17, Hadith 138