Just looking over the data from the 12z (6am CT) runs of the computer models. I'm sticking with my going forecast from earlier today (scroll down).
Here is what the models are putting out for snowfall for the region. Remember, this is not my forecast, just what computer models are suggesting.
12z NAM Snowfall amounts through 6:00pm CT Monday:
12z GFS Snowfall amounts through 6:00pm CT Monday:
I think the NAM is a little closer to reality. Here is a zoomed in look for the KFVS viewing area.
There could be parts of southeast Missouri that only receive rain from this as depicted above.