Dublin travel to Navan to take on Meath in the championship's other semi-final.
A Leinster final is at stake for Laois when they face Kildare in the Leinster Under 20 Football Championship this evening.
The O'Moore County accounted for Carlow, Longford, and Meath in their group phase to book their semi-final spot.
Meath meet Dublin in Navan in the other last-four tie at 6.30 with Laois' contest with the Lilywhites throwing in at 7.30 in Portlaoise.
We'll have live updates on Midlands 103 and full live commentary on Twitter.