The 23-yeard-old Frenchman has failed to secure a regular first team spot this season and the loan deal will give the attacker some much needed playing time.
N'Guessan - who has scored six goals in 40 appearances for the Foxes - is expected to make the squad for the Iron's clash against unbeaten Cardiff City tomorrow.
Meanwhile, out of favour striker Matty Fryatt has again been linked with a move away from the Walkers Stadium.
Last season's top goal scorer is wanted by former boss Nigel Pearson's Hull City -according to Sky Sports News.