Wellens served a one-match ban at the weekend following his sending off in the recent goalless draw with Newcastle.
Striker Martyn Waghorn is likely to continue playing through the knee injury he picked up in the 1-0 defeat by Barnsley last month, but fellow forward Yann Kermorgant is likely to miss out once again through a hamstring injury.
Nolberto Solano missed Saturday's 2-1 win at Blackpool after returning to Peru for personal reasons, but the midfielder was back in training on Monday and could be involved in the squad.
The Foxes will be looking to extend their two-match unbeaten run as they attempt to strengthen their position in the play-off places.
