bright flash lit up entire horizon to the northwardI was driving home late in the evening. There wasn't any clouds out... Then all of a sudden to the north the entire sky lit up like a camera flash. It only happened once. I couldn't find any explanation for it... no sound fallowed it.((NUFORC Note: Witness elects to remain totally anonymous; provides no contact information. PD))((NUFORC Note: Date may be approximate. PD))
Top 100 nearest sightings ordered by sighting date (100 miles radius):
| Location | Sighted on | Shape | Duration |
|---|---|---|---|
| Location | Sighted on | Shape | Duration |
| Teton village Wyoming | 2023-02-25 | Disk | Daily |
| Teton Village, Wyoming | 2021-01-07 | Round | Daily |
| Idaho Falls, Idaho (United States) | 2020-06-11 | Circle | 00:01:00 |
| Yellowstone National Park, Wyoming (United States) | 2020-01-04 | Sphere | 00:30:00 |
| Idaho Falls, Idaho (United States) | 2019-10-18 | Unknown | 00:00:20 |
| Idaho Falls, Idaho (United States) | 2019-08-28 | Blimp | 00:01:00 |
| Yellow Stone Park, Wyoming (United States) | 2019-05-17 | Square, Rectangular | 00:00:20 |
| Idaho Falls, Idaho (United States) | 2019-02-28 | Disc | 00:10:00 |
| Roberts, Idaho (United States) | 2018-01-01 | Teardrop | 00:15:00 |
| Moran, Wyoming (United States) | 2017-09-17 | Oval | 00:04:00 |
| Idaho Falls, Idaho (United States) | 2017-08-22 | N, A | 01:00:00 |
| Shelley, Idaho (United States) | 2017-08-21 | Unknown | 00:00:04 |
| Spencer, Idaho (United States) | 2017-07-22 | Sphere | 00:30:00 |
| Rigby, Idaho (United States) | 2017-07-09 | Cigar | 00:00:01 |
| Rigby, Idaho (United States) | 2017-06-30 | Star-like | 00:02:00 |
| Idaho Falls, Idaho (United States) | 2017-06-08 | Triangle | 01:00:00 |
| Roberts, Idaho (United States) | 2017-06-01 | Disc | 02:00:00 |
| Roberts, Idaho (United States) | 2017-06-01 | Disc | 00:10:00 |
| Victor, ID | 2017-05-25 | Light | 20 minutes |
| Rigby, ID | 2017-04-25 | Light | 4 minutes |
| Idaho Falls, Idaho (United States) | 2017-02-05 | Cigar | 00:01:00 |
| Idaho Falls, ID | 2016-10-15 | Triangle | 6-7 seconds |
| Rexburg, ID | 2016-09-28 | Triangle | 2 seconds |
| Saint Anthony, Idaho (United States) | 2016-04-02 | Oval | Undisclosed |
| Idaho falls, ID | 2015-11-21 | Light | 30-40 seconds |
| Jackson, Wyoming (United States) | 2015-11-08 | Star-like | Undisclosed |
| West Yellowstone, Montana (United States) | 2015-10-05 | Triangle | Undisclosed |
| Driggs, Idaho (United States) | 2015-09-26 | Cross | Undisclosed |
| Yellowstone National Park (near west entrance) | 2015-09-06 | Oval | 1 minute or less |
| Rigby, ID | 2015-08-12 | Circle | 30 seconds |
| Jackson, Wyoming (United States) | 2015-08-05 | Bullet, Missile | Undisclosed |
| Yellowstone Park, Wyoming (United States) | 2015-06-22 | Oval | Undisclosed |
| Idaho Falls, Idaho (United States) | 2015-06-01 | Triangle | |
| Roberts, Idaho (United States) | 2015-05-01 | Triangle | 12:59:00 |
| Driggs, ID | 2015-01-08 | Light | 20 minutes |
| Roberts, Idaho (United States) | 2014-10-30 | Sphere | Undisclosed |
| Ammon, ID | 2014-10-26 | Triangle | 2 minutes |
| Yellowstone , Wyoming (United States) | 2014-09-03 | Cigar | 01:00:00 |
| Yellowstone National Park, WY | 2014-08-19 | Teardrop | 10 seconds |
| Yellowstone National Park, WY | 2014-08-19 | Teardrop | 10 seconds |
| Rexburg, Idaho (United States) | 2014-08-06 | Sphere | Undisclosed |
| Swan Valley, ID | 2014-07-28 | Circle | 5 seconds |
| Swan Valley, ID | 2014-07-28 | Circle | 5 seconds |
| Yellowstone, Wyoming (United States) | 2014-07-19 | Cone | Undisclosed |
| Idaho Falls, Idaho (United States) | 2014-07-10 | Other | 00:05:22 |
| Idaho Falls, ID | 2014-05-20 | Unknown | 40 seconds |
| Idaho Falls, ID | 2014-05-20 | Unknown | 40 seconds |
| St. Anthony, Idaho (United States) | 2014-05-13 | Circle | Undisclosed |
| Idaho Falls, ID | 2014-03-26 | Other | 7 seconds |
| Ammon, ID | 2014-02-11 | Triangle | ~10 seconds |
| Idaho Falls, ID | 2014-02-06 | Circle | 1 minute |
| Idaho Falls, Idaho (United States) | 2013-12-31 | Oval | 02:01:03 |
| Rexburg, ID | 2013-12-23 | Flash | 5 minutes |
| Rexburg, ID | 2013-12-23 | Flash | 1 hour |
| Menan, ID | 2013-11-27 | Light | ~30 minutes |
| Idaho falls, ID | 2013-10-30 | Diamond | 90 minutes |
| Rexburg, ID | 2013-10-05 | Formation | 3 seconds |
| Idaho Falls, ID | 2013-09-16 | Circle | ~30 minutes |
| Yellowstone, WY | 2013-08-04 | Light | 3 minutes |
| Wilson, Wyoming (United States) | 2013-08-03 | disc | 20-30 sec |
| Jackson, WY | 2013-06-15 | Other | |
| Idaho Falls, Idaho (United States) | 2013-06-13 | Oval, Sphere, Star-like | Undisclosed |
| Alta, Wyoming (United States) | 2013-06-05 | Circle | Undisclosed |
| Jackson, Wyoming (United States) | 2013-06-02 | Other, Unknown | Undisclosed |
| Idaho Falls, ID | 2013-05-04 | Chevron | 1 hour |
| ucon, ID | 2013-02-03 | Other | 20 seconds |
| Idaho Falls, ID | 2012-12-31 | Light | 3 minutes |
| West Yellowstone, Montana (United States) | 2012-12-31 | Sphere | Undisclosed |
| Idaho Falls, ID | 2012-12-31 | Unknown | 5 minutes |
| Idaho Falls, ID | 2012-10-05 | Sphere | 10 minutes |
| Rigby, ID | 2012-06-17 | Unknown | 2 hours |
| Jackson Hole, WY | 2012-06-06 | Fireball | 5 minutes |
| St. Anthony, ID | 2012-04-08 | Flash | 3 seconds |
| Rexburg, ID | 2012-01-28 | 10 min | |
| Driggs, Idaho (United States) | 2011-11-03 | Unknown | Undisclosed |
| Idaho Falls, ID | 2011-10-05 | Disk | 5-10 minutes |
| Idaho Falls, ID | 2011-09-29 | Triangle | 3 min |
| Yellowstone National Park, WY | 2011-09-20 | Changing | 3 MIN 20 SEC |
| Ammon, ID | 2011-09-10 | Light | 21 min |
| Felt, ID | 2011-08-30 | Triangle | 5 minutes |
| Idaho Falls, Idaho (United States) | 2011-08-27 | Boomerang | Undisclosed |
| Idaho Falls, Idaho (United States) | 2011-08-26 | Triangle | Undisclosed |
| Jackson Hole, WY | 2011-07-23 | Triangle | 10 minutes |
| Jackson, Wyoming (United States) | 2011-06-29 | Cylinder, Other | Undisclosed |
| Yellowstone National Park, WY | 2011-06-25 | Flash | 2 seconds |
| Yellowstone National Park, WY | 2011-02-15 | Light | 5minutes |
| Rocky Mountains, CO | 2010-07-28 | Fireball | 10 minutes |
| Teton National Park, WY | 2010-07-15 | Circle | 10 minutes |
| Victor, ID | 2010-07-13 | Changing | 5-10 minutes |
| Macks Inn Post Office, Idaho (United States) | 2010-06-25 | Star-like | Undisclosed |
| Idaho Falls, Idaho (United States) | 2010-04-19 | Fireball | Undisclosed |
| Alta, Wyoming (United States) | 2008-12-11 | Star-like | 00:06:00 |
| Jackson, Wyoming (United States) | 2008-10-13 | Square, Rectagular | 00:10:00 |
| Idaho Falls, ID | 2008-10-01 | Light | 15 seconds |
| Gardiner, Wyoming (United States) | 2008-08-20 | Star-like | Undisclosed |
| Rexburg, ID | 2008-07-28 | Formation | 1 min |
| Teton National Park, WY | 2008-07-19 | Oval | 1 sec. |
| Yellowstone National Park, Wyoming (United States) | 2008-07-18 | Cylinder | Undisclosed |
| Hamer, ID | 2008-07-13 | Light | 2 hours |
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