Nittany Lions also lost five players to early entry into the 2019 draft.
Jones was expected to be the tight ends coach with the Terps.
Montgomery will head to Maryland just days after the school was spurned by former Tide assistant Josh Gattis.
The Cyclones had their spring game cancelled last season as well due to weather.
Former WKU OC Junior Adams will return to the Pacific Northwest to replace Matt Lubick with the Huskies