Here is an overview of weather conditions expected Saturday for early Thanksgiving-week travels.
From 6am Saturday to 6am Sunday there is a possibility of tornadoes, damaging thunderstorm winds and hail in the areas indicated. Generally, 15% is the threshold of a significant threat.
As far as precipitation is concerned here is the forecast from 12:01am Saturday to 11:59pm CST:
Finally, here is the probability of 2" or more of snow accumulating during the 24 hour period.