UPDATE 8:55am Friday: Extensive damage, near Westville, OK. That tornado moved northeast into the area around Cincinnati, AR causing additional damage and three fatalities.
Rare tornado threat on New Year's Eve. New tornado watch in effect until 3pm.
This storm warning snapshot, from 7:40 am, shows the tornado watch (yellow) in Missouri and tornado warnings (red). The orange is blizzard warnings.
AccuWeather, as always, has updates.