It most likely is heading in that direction, but I don't think that the trend is as extreme as Missouri's has been. Remember that Ohio trended Democratic in 2004 and 2012 while Missouri has trended Republican in every election since 1996.
Ohio voted more Republican this time than Missouri even did in 2004! And relative to the nation Ohio in 2016 was also more Republican than Missouri 2008.
Missouri shift was steady while it seems like Ohio lurched massively to the right in 4 years
Exactly, Ohio has trended republican very fast, in 2012 the state was one point more republican than the rest of the country, in 2016 the state was ten points more republican than the rest of the country, in 2018 DeWine won by four and House Republicans still won the state congressional vote by a 47/52 margin, its clear that as of now Ohio is something like 10 points more republican than the country as whole. In my opinion Ohio is now a bit like Indiana and Missouri around 2010/2012, a state where the republican candidate is almost assured to win unless he is seriously damaged or doesn’t even try to win the race..