UFO Sightings in Sioux City, Iowa
35 documented UFO sightings in Sioux City, Iowa since 1954, peaking in 2004 (4 reports); most often described as light.
- Total sightings
- 35
- Span
- 1954–2021
- Peak year
- 2004 (4 reports)
- Dominant shape
- Light
1954–2021 · peak 2004 (4 reports)
Best documented case here
One strong report — not the whole list. Open it, then hop to related signals on the case page.
Sioux City, IA, USA
EXTREMELY bright ball appeared above me in my backyard.It lit up my back yard almost like the trees and yard were on fire.It was statio
Open full caseSioux City · IA, USA
Was finishing at the park next to river before heading out it first was a string of lights with lights going circular and one came out
Sioux City · IA, USA
Late at night, I saw a very large red light that traveled quickly across the sky and disappeared.
Sioux City · IA, USA
We observed a very bright white light heading west to east at a very high rate of speed. We were on the farm and had very good view of
Sioux City · IA, USA
Bright star seen in middle of day. With binoculars you could see it was a flying saucer like object
Sioux City · IA, USA
Shocking 15 satellite like objects flying in the night sky in pattern one after another. (("Starlink" satellites??))
Sioux City · IA, USA
Flashing multi-color sphere over Sioux City, IA. ((NUFORC Note: Possibly a "twinkling" star? PD))
Sioux City · IA, USA
I witnessed a bright red light that I thought was a Chinese lantern, but blue lights were pulsating around it. The object started chang
Sioux City · IA, USA
Oval red glowingly orb hovering over some fireworks, slowly moving to the NE at a slow pace. 6 pictures.
Sioux City · IA, USA
My husband and I were grilling when I saw a boomerang shaped object that was translucent and very dimly lit in a peachy/pink color. It
Sioux City · IA, USA
I saw a green streaming light, looked as if it had a tail. Came from the east ,going west. Crossed over I 29 an it disappeared .
Sioux City · IA, USA
Unknown craft observed with red blinking lights
Sioux City · IA, USA
Ball of light, strange maneuvering, disappeared.
Sioux City · IA, USA
Silent Matte Black Square.
Sioux City · IA, USA
4 bright orange balls of light moving silently through the sky - about the height a helicopter would fly.
Sioux City · IA, USA
A triangular UFO was found hovering in the sky and remained there for several minutes until flying out of sight.
Sioux City · IA, USA
Bright orange lights taking an unusual flight pattern and then disappearing in the same area in the sky.
Sioux City · IA, USA
Was outside late at night in a slightly drizziling rain when i caught sight of a triangulare object in the sky.
Sioux City · IA, USA
3 white lights turn to 1 and wobble in the sky
Sioux City · IA, USA
9-12 white lights glide from north to south across morningside sky
Sioux City · IA, USA
Strange disappearing/re-appearing object over Sioux city
Sioux City · IA, USA
Lights in the sky south of downtown sioux city
Sioux City · IA, USA
They made a triangular formation.
Sioux City · IA, USA
Rounded UFO Near Grandview Park in Sioux City
Sioux City · IA, USA
Object seen within 1 Mile East of Grandview park in Sioux City(NorthSide). It travelled at about 400 ft in elevation in a N.E. directio