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)
Windsor · CO, USA
Rectangular silver object at the town pool.
Denver · CO, USA
Small light changed direction and speed, then stopped and became dim as if moving higher out of sight.
Colorado Springs · CO, USA
Very bright round light moving low in the sky
Colorado Springs · CO, USA
Bright light above my house.
Aurora · CO, USA
I thought it was stars but theses were moving sideways. ((NUFORC Note: Possible sighting of stars?? PD))
Colorado Springs · CO, USA
Silent Green Explosion Lights Up Colorado Springs
Denver · CO, USA
((HOAX??)) Squadron of enormous UFOs seen over denver at moment of full lunar eclipse.
Denver · CO, USA
A boomerang-shaped black object flys overhead during an eclipse in Denver.
Fort Collins · CO, USA
Moving Triangular light pattern.
Denver · CO, USA
White spheres.
Craig · CO, USA
Two craft moving in circular motion around each other. One craft disapered. The other stoped and dimmed (still brighter than stars).
Rifle · CO, USA
Week long event so far dont know what they are but not from here.
Centennial · CO, USA
Strange lights seen by 5 witnesses dipping lower, rising, changing color, and playing "tag" several nights in a row.
Boulder · CO, USA
Loud Noise Along with UFO flashing lights aircraft.
Littleton · CO, USA
Glowing orange spheres in a "V" pattern in sky southwest of Littleton, moving eastward.
Aurora · CO, USA
Amber Orb hovering over the skies in Aurora Colorado.
Gunnison · CO, USA
A white sphere shaped object over Blue Mesa Reservoir moving North to South.
Montrose · CO, USA
Round, peach-colored object heading wsw.
Fort Collins · CO, USA
Dark orange fireball shape seen in Fort Collins Colorado.
Fruita · CO, USA
Rapidly flashing green light in the west, moving steadily towards the northwest and gaining altitude
Longmont · CO, USA
5 UFO's in Longmont
Aurora · CO, USA
Possibly visited by aliens.
Denver · CO, USA
Black oval shaped object moving slow with no change in elevation. Snowy conditions and low clouds, but object was well below clouds.
Colorado Springs · CO, USA
Clear spheres (50+) with something silver inside moving quickly in a group.
Pueblo · CO, USA
8 orange, bright lights seen in Pueblo, Colorado, skies.