Invoking Allah for Rain (Istisqaa)
Bukhari :: Book 2 :: Volume 17 :: Hadith 119
Narrated 'Abbas bin Tamim's uncle:
The Prophet (p.b.u.h) went out to offer the Istisqa' prayer and turned (and put on) his cloak inside out.
Source materials are from the University of Southern California MSA site|
Hadith eBooks converted from Imaan Star