ذِكْرُ الْإِبَاحَةِ لِلْمُصَلِّي صَلَاةَ الِاسْتِسْقَاءِ أَنْ يَجْهَرَ بِقِرَاءَتِهِ فِيهَا
The Prophet ﷺ went out and prayed for rain, then he prayed two rak'ahs in which he recited loudly. (Using translation from Nasāʾī 1522)
أَنَّ النَّبِيَّ ﷺ «اسْتَسْقَى فَصَلَّى رَكْعَتَيْنِ وَجَهَرَ بِالْقِرَاءَةِ»