Third Book of Kings (Author Compiled by Isaias and Jeremias from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
8:35si clausum fuerit caelum et non pluerit propter peccata eorum et orantes in loco isto paenitentiam egerint nomini tuo et a peccatis suis conversi fuerint propter adflictionem suam
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.