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Faceted archive of NUFORC reports — filter by shape, place, and decade. Every URL is deterministic SSR (cacheable at the edge).
Sioux Falls · SD, USA
Triangle formation of lights moving quickly to the North, near Sioux Falls
Sioux Falls · SD, USA
Twelve orange balls of light moving over Sioux Falls, SD, at 2:00 hrs. on 08/06/10
Sioux Falls · SD, USA
One, spherical light orb that is slow moving then rapidly accelerating up into clouds.
Sioux Falls · SD, USA
Flashing Red and White Disc off in the Eastern sky on the southwestern side of Sioux Falls
Sioux Falls · SD, USA
Glowing Orangish/Yellowish aircraft witnessed South from Sioux Falls S.D.
Sioux Falls · SD, USA
Large triangular delta wing looking 10 to 15 lights not bright dull and dim it moved very fast.
Sioux Falls · SD, USA
Two oval objects appeared in the sky right where unmarked planes made an X con-trail!! ((NUFORC Note: Contrails?? PD))
Sioux Falls · SD, USA
Black, oval, reflective object seen gliding through the daytime sky.
Sioux Falls · SD, USA
Unk light hovering for a moment then sped away
Sioux Falls · SD, USA
Triangle object without colored or blinking lights, shortly later a bright shere shaped object was scene.
Sioux Falls · SD, USA
12/7/02 - Tear shaped white light that shot straight up out of sight.
Sioux Falls · SD, USA
Have seen numerous objects over sky north of Sioux Falls in past few months.
Sioux Falls · SD, USA
Grouping of rectangular or triangular objects, hovering, dancing around each other, absolutely silent, then rapid accleration.
Sioux Falls · SD, USA
I am going out of my apartment reguraly to smoke cigaretes, and since I am working nights, I am a night owl you can say. I have seen me
Sioux Falls · SD, USA
2 diamond shape star colored objects.move across the SD sky silently while clocking device is off then on.
Sioux Falls · SD, USA
Giant white streak moving across the sky at a high rate of speed stopped and took a 90 degree turn and went straight up and eventually
Sioux Falls · SD, USA
UFO investigator relays rept.: his son and other children rept. witnessing 4-5 red objs. 4 miles W of city. Two objs. seen to land.
Sioux Falls · SD, USA
Orange white round light seen by 2 witnesses
Sioux Falls · SD, USA
Fireball that changed color and split into 3 equal parts
Sioux Falls · SD, USA
3 Moving Star Sized Lites Grace South Dakota Nite Sky
Sioux Falls · SD, USA
A witness in Sioux Falls, South Dakota reported a cylindrical object during a roughly one-minute sighting in July 1972, an encounter kept secret for many years since childhood.
Sioux Falls · SD, USA
A witness in Sioux Falls, South Dakota reported a narrow, light-colored, unidentified object in the sky on July 4, 1947.