The Book of Praying for Rain (Al-Istisqa')
17/14. Chapter:
Reciting Qur'an loudly for the prayer for rain
Sunan an-Nasai
أَخْبَرَنَا مُحَمَّدُ بْنُ رَافِعٍ، قَالَ حَدَّثَنَا يَحْيَى بْنُ آدَمَ، قَالَ حَدَّثَنَا سُفْيَانُ، عَنِ ابْنِ أَبِي ذِئْبٍ، عَنِ الزُّهْرِيِّ، عَنْ عَبَّادِ بْنِ تَمِيمٍ، عَنْ عَمِّهِ، أَنَّ النَّبِيَّ صلى الله عليه وسلم خَرَجَ فَاسْتَسْقَى فَصَلَّى رَكْعَتَيْنِ جَهَرَ فِيهِمَا بِالْقِرَاءَةِ .
It was narrated from 'Abbad bin Tamim from his paternal uncle that: The Prophet (ﷺ) went out and prayed for rain, then he prayed two rak'ahs in which he recited loudly.
Reference : Sunan an-Nasa'i 1522In-book reference : Book 17, Hadith 19English translation : Vol. 2, Book 17, Hadith 1523