UFO Sightings in Colorado
3,016 UFO sightings reported in Colorado since 1931, peaking in 2020 (226 reports); most often described as light.
- Total sightings
- 3,016
- Span
- 1931–2022
- Peak year
- 2020 (226 reports)
- Dominant shape
- Light
1931–2022 · peak 2020 (226 reports)
Top cities in Colorado
Denver
1954–2022 · peak 2014 (27 reports)
Colorado Springs
1956–2022 · peak 2014 (25 reports)
Fort Collins
1963–2021 · peak 2018 (14 reports)
Boulder
1969–2021 · peak 2013 (9 reports)
Aurora
1962–2021 · peak 2016 (10 reports)
Grand Junction
1989–2022 · peak 2020 (29 reports)
Longmont
1978–2021 · peak 2013 (10 reports)
Littleton
1965–2022 · peak 2002 (7 reports)
Pueblo
1995–2021 · peak 2020 (12 reports)
Lakewood
1969–2022 · peak 2014 (7 reports)
Loveland
1988–2022 · peak 2005 (6 reports)
Arvada
1959–2021 · peak 2016 (8 reports)
Westminster
1971–2021 · peak 2013 (5 reports)
Greeley
1998–2021 · peak 2016 (11 reports)
Thornton
1997–2021 · peak 2015 (5 reports)
Englewood
2001–2020 · peak 2004 (7 reports)
Estes Park
1954–2021 · peak 2019 (12 reports)
Highlands Ranch
1998–2022 · peak 2013 (4 reports)
Golden
1975–2020 · peak 2017 (4 reports)
Broomfield
1998–2020 · peak 2016 (5 reports)
Commerce City · CO, USA
Myself and a friend were driving when we noticed a bright light, I asked my friend what it was and he did not know,, as we made a left
Boulder · CO, USA
3 lights followed by 4 lights. triangular formation
Windsor · CO, USA
Rectangular object seen during the day.
Rifle · CO, USA
Ultra high speed lights caught on slow motion camera in the middle of the day.
Denver · CO, USA
Boomerang craft-stealth bomber like- w/round amber lights
Arvada · CO, USA
8 objects flying completely silent with three lights each in the night sky
Fort Collins · CO, USA
Fireball Over CSU.
Fort Collins · CO, USA
A friend and I noticed three triangular crafts directly overhead.
Longmont · CO, USA
Saw a dark grey chevron shaped object in the night sky moving slowly and silently.
Aurora · CO, USA
Multiple lights changing formations.
Lakewood · CO, USA
rectangular ufo seen flying overhead, while driving down residential street in Lakewood, Colorado
Lafayette · CO, USA
Triangle-shaped grey aircraft seen East of Boulder, CO.
Grand Junction · CO, USA
Cluster of orbs rumbling around eachother
Commerce City · CO, USA
Large rectangular aircraft hovering west of Commerce City, CO
Lakewood · CO, USA
Me and my brother I saw 4 oval shaped, bright yellow crafts. They would combine, then separate. ((NUFORC Note: Adv. lights? PD))
Fort Collins · CO, USA
Seen over Ft. Collins during Halloween. Obj. appears to only appear during local events; last seen during CSU Homecoming on 10/16/15.
Erie · CO, USA
Large circle of light over house in front of me, the lights were spacing around and were in sync with the tapping on my window.
Evans · CO, USA
I witnessed 6 dimly lit orange red colored V shaped lights flying in a V-formation.
Denver · CO, USA
Lights west of Denver.
Eisenhower Tunnel (near) · CO, USA
This object was triangular shaped. Dark red lights flashed from each corner, hovering above highway.
Evans · CO, USA
2 lights moved from west to east twice the speed of a satellite we saw earlier. The 2 lights were parallel moving at the same speed an
Greeley · CO, USA
50-100 lights in the sky in formation over Greeley, CO.
Greeley · CO, USA
Group of white blinking lights and blue orb seen in the evening sky
Greeley · CO, USA
mulitiple white lights moving across sky above us
Greeley · CO, USA
Strange lights (stars?) in the sky.