(18) باب صَلاَةِ الاِسْتِسْقَاءِ رَكْعَتَيْنِ
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." (ID)
Reference (ID): Sahih al-Bukhari 1026 (ID)
In-book reference (ID): Book 15, Hadith 21 (ID)
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 17, Hadith 138 (ID)