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)
Henderson · CO, USA
Bright lights in triangle formation stationary in the sky
Lakewood · CO, USA
4 lights spotted in Lakewood Colorado on Kipling.
Longmont · CO, USA
3 Fireballs with a spark-like tail moving in a serpentine pattern with light fading on and off.
Longmont · CO, USA
Viewing from Longmont CO near 21st and Hover. In the east/south sky I noticed objects that appeared as fireballs seeming to interact wi
Longmont · CO, USA
Crazy fireballs zigzagging in the sky like they were being controlled
Sterling · CO, USA
Bright flashing red light moving north easterly..
Denver · CO, USA
5 Orange Orbs lift off in north Colorado.
Colorado Springs · CO, USA
I saw 3 red or orange sphere shaped lights aligned in a triangle like shape there were very low so I knew it wasn't a airplane and it w
Loveland · CO, USA
Orange lights in the sky over Loveland, CO.
Monument · CO, USA
Fireball-like objects over Monument, Colorado.
Wellington · CO, USA
Unusual moving lights over the Fort Collins area.
Greeley · CO, USA
While driving west on highway 34 business at about 65 Ave., we saw two identical lights flying together. They crossed our path in fro
Grand Junction · CO, USA
Bright orange glow illuminating south Douglas Pass north of grand Junction, CO.
Highlands Ranch · CO, USA
Red, white and blue flashing lights in the Eastern sky. ((NUFORC Note: Possibly Sirius?? PD))
Denver · CO, USA
Bright white orbs or points of light in cloud.
Peyton · CO, USA
Very bright silent light in night sky.
Littleton (Roxborough) · CO, USA
Glowing gold specks in an arch shape moving quickly, silently across sky.
Longmont · CO, USA
Triangle pattern formed by three separate objects emitting light, adjusted formation and readjusted.
Grand Junction · CO, USA
I stepped out to have some Colorado tobacco and faceing east towards the grandmesa I looked up and saw the orange glow of the sunset re
Littleton · CO, USA
Non-flashing bright object moving from the SW to the NE over the Denver Skyline at 5:15 am
Florissant · CO, USA
Open triangle shape, spherical corners, no lights,emitting a short, thick grey 'exhaust' trail while slow moving across daylight sky.
Westminster · CO, USA
Colorado UFO or Drone
Arvada · CO, USA
Saw what looked like 2 gold flares over SE sky. Turned into 5 lights, stayed stationary then one by one the disappeared. Then saw mult
Westminster · CO, USA
Boomerang shaped fireballs descended from the sky in Colorado
Denver · CO, USA
3 falling fireworks streams changing into 3 bright hovering lights.