City hub21 reports
UFO Sightings in Arnold, Missouri
21 documented UFO sightings in Arnold, Missouri since 1997, peaking in 2012 (7 reports); most often described as light.
- Total sightings
- 21
- Span
- 1997–2021
- Peak year
- 2012 (7 reports)
- Dominant shape
- Light
1997–2021 · peak 2012 (7 reports)
Empty set