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)
Aurora · CO, USA
((HOAX??)) Large light, changing from green to red, moving erratically with great speed in western sky.
Grant · CO, USA
Flashes of light outside tent, mechanical whirring noises, and extreme effect of heart rate of witnesses.
Florence · CO, USA
Gray, disk shaped with red and white flickering lights around the edge. 4 Orange lights on the bottom.
Lascar (I-25; MM 62) · CO, USA
Two beach ball sized spheres, one glowing yellow, one glowing orange side by side on the ground at 11 am in morning.
Ft. Collins · CO, USA
Orange Fireball at 0230 in Ft Collins Co, traveling parallel to the ground surface
Sterling · CO, USA
2 red fireball shaped objects flying erratically in the sky too fast to be man made and looked like they were chasing each other.
LaVeta · CO, USA
USAF craft chasing lights. Pattern of orange fireballs USAF turning off running lights disappearing reappearing.
Boulder · CO, USA
Stationary glowing orb began to move slowly.
Steamboat Springs · CO, USA
Glowing reddish and orangish lights.
Broomfield · CO, USA
((HOAX?))Plane like object falling straight down from a high elev. Leveled off then started flying as if to land at the local airport.
Morrison · CO, USA
Kite/diamond-shaped obj. (looked like it was on fire or glowing) streaked across in the Conifer/Morrison area at 11:30 pm-ish. Silent.
Greeley · CO, USA
It was cloud coverage but I can see the circular objects they did not flash but they went from white to a red when they flew by there w
Pueblo · CO, USA
3 big bright red lights in triangular formation in the night sky.
Denver · CO, USA
Orange lights in a formation off of I-70.
Pueblo · CO, USA
Amber colored lights in triangular formation.
Colorado Springs · CO, USA
Thin light accompanied with 2 orange orbs,Colorado Springs, CO.
Elbert · CO, USA
String of 5 Total Lights That Slowly Moved In A Span Of About 15 Minutes
Denver · CO, USA
Two white cigar shaped UFO's stop and hover over I-25 in Denver, then change to an amber color and disappear.
Denver · CO, USA
Two UFO craft sighted in Denver-One strobing with forward momentum, the other hovering.
Fort Collins · CO, USA
7500-9000ft this object approximately stationary 20 seconds above where i was playing basketball and then it moved out east faster than
Cedaredge · CO, USA
MULTIPLE INTERMITENT FLASHES OF LIGHT
Glenwood Springs · CO, USA
Sighting disk object with two rows of red lights hovering above trees.
Denver Metro · CO, USA
It was partially cloudy and sun. Saw between 20-30 small lights flying in a tornado like formation going in and out of the clouds.
Aurora · CO, USA
5-7 white triangles observed flying in formation.
Greeley · CO, USA
I cannot believe I'm doing this but- what I saw I can certainly not say it was an airplane or anything reasonable. Yesterday was really