Invoking Allah for Rain (Istisqaa)
Bukhari :: Book 2 :: Volume 17 :: Hadith 138
Narrated Abbas bin Tamlm from his uncle who said,
"The Prophet invoked Allah for rain and offered a two Rakat prayer and he put his cloak inside out."
Source materials are from the University of Southern California MSA site|
Hadith eBooks converted from Imaan Star