Using data compiled from the NOAA Storm Events Database for the period from 1950 through 2022, below is a list of the Missouri counties that recorded 40 or more tornadoes during that time.
- 53 – Greene (Springfield)
- 52 – Newton (Diamond, Neosho, & Seneca)
- 48 – Jasper (Carl Junction, Carthage, & Joplin)
- 47 – Barry (Cassville & Monett)
- 46 – Jackson (Kansas City)
- 45 – St. Louis (St. Louis)
- 45 – Howell (West Plains)
- 44 – Cape Girardeau (Cape Girardeau)
- 43 – Butler (Poplar Bluff)
- 42 – Stoddard (Dexter)
- 42 – Scott (Sikeston)
- 42 – Christian (Nixa, Ozark, & Sparta)
- 40 – St. Charles (St. Charles)
- 40 – Pettis (Sedalia)
- 40 – Cass (Harrisonville)
- 40 – Callaway (Fulton)
For comparison, McDonald County in extreme southwest Missouri recorded only 24 tornadoes during the same period.
Statistically, May is Missouri’s most active month for tornadoes, followed by April and June. August averages the fewest tornadoes of any month.