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)
Durango · CO, USA
Green line in photos. ((NUFORC Note: Possible lens flares? We have requested copies to inspect. PD))
Firestone · CO, USA
Low, quiet, fast moving SE to NW chevron form with 7+ lights on either side.
Longmont · CO, USA
Sky howling. Frequency sweep heard, almost like a siren.
Colorado Springs · CO, USA
Three flashing objects in night sky over Colorado Springs.
Colorado Springs · CO, USA
Standing on the sidewalk with multiple people at my twins 8th grade continuation ceremony at West Middle School & there were two milita
Fort Collins · CO, USA
Black well-defined circular object moves much faster than jet to the west of Fort Collins on a bright morning.
Littleton · CO, USA
Five orange objects "floating" over Colorado.
Longmont · CO, USA
Orange lights over the front range 05/30/15.
Aurora · CO, USA
Six orange crafts flew over our house late Friday night, one at a time.
Colorado Springs · CO, USA
Unknown lights chased by 2 helicopters disappear in the night sky on April 1st.
Denver · CO, USA
Orange lights floating in the sky then disappearing
Denver · CO, USA
15 red orbs seen in formation across the sky.
Fort Collins · CO, USA
DISCO STAR -or- BLINKING STAR update and full report. ((NUFORC Note: Possible sighting of Sirius?? Jupiter?? PD))
Grand Junction · CO, USA
Light orbs over Grand Junction, appeared about 1:45 min, moving, vanishing & appearing in a different spots instantly.
Boulder · CO, USA
Was looking at the sky to see a meteor shower. Saw a circle spot in the sky moving from north to south quickly. Seemed as the object wa
Golden · CO, USA
Color changing orb in the sky.
Colorado Springs · CO, USA
Documented unexplained light. ((NUFORC Note: Sighting of Venus?? PD))
Wellington · CO, USA
Silent Bright White Light Spotted in sky seems to disable phone and vehicle
Westminster · CO, USA
White light like falling star appears to hit earth
Lakewood · CO, USA
Circular bright light with trail of sparks/flames. Moving very rapidly east to west at relatively low altitude (approx 2,500ft).
Greenwood Village · CO, USA
White fireball of light with a tail, like a meteor, flying low over Denver before disappearing. ((NUFORC Note: Meteor?? PD))
Evergreen · CO, USA
I saw an unidentifiable object low in the sky with sparks or fire coming from its rear.
Yoder · CO, USA
Blue translucent orb.
Brighton · CO, USA
A very big Bright light passed me and other cars on rd 168th going west at 6:08 am . It was it traveling very very fast and big in size
Denver · CO, USA
Triangular craft.