Jameson, 24, will stay at the Coral Windows Stadium up to and including 11 February 2014.
The 6' 3'' 'keeper will wear squad number 12 during his stay at Valley Parade.
Subject to receiving the relevant clearances, Jameson will now go into Phil Parkinson's match-day squad for the Bristol City fixture this Saturday. The 'keeper trained with the rest of his new team-mates at the club's Apperley Bridge training ground this Friday.
The Sheffield-born goalkeeper has two senior apperances to his name for the Owls. He also enjoyed a loan spell at York City last season.