Funnel Cloud in Wyoming
Every funnel cloud event the National Weather Service has filed in Wyoming, year by year, with the most significant episodes. A rotating column of cloud extending from a thunderstorm that did not reach the ground.
The most significant on the map
The most significant funnel cloud episodes in Wyoming.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The record
- Events
- 172
- Deaths
- 0
- Injuries
- 0
- Damage
- None recorded
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Tornadoes and Hail in Wyoming, June 1, 2018A supercell thunderstorm tracked east-northeast across central Campbell County. As the storm approached Gillette, it produced multiple tornadoes. A storm survey, along with photos and video, determined that four tornadoes occurred just west and north of Gillette.
- Tornadoes and Hail in Wyoming, June 12, 2017One of the most significant severe weather episodes to affect southeast Wyoming and the western Nebraska Panhandle occurred on the afternoon and early evening of Monday 12 June 2017. Eleven confirmed tornadoes, hail to grapefruit size, and damaging winds were observed.
- Tornadoes and Flash Flood in Wyoming, June 12 to 17, 2017A combination of an abnormally strong upper level low, strong jet dynamics and an approaching cold front produced one of the biggest severe weather outbreaks across western and central Wyoming in many years.
- Tornado and Hail in Wyoming, June 22, 2026Supercell thunderstorms impacted eastern Wyoming. The hardest hit was Campbell county where a supercell thunderstorm produced a damaging EF2 tornado.
- Flash Flood and Hail in Wyoming, June 25, 2026A QLCS moved quickly across central and southeast Wyoming during the middle afternoon to late afternoon hours. Most strong gusty winds were reported with a few severe hail reports.
- Tornadoes and Hail in Wyoming, July 6, 2020A severe thunderstorm developed over western Crook County and tracked southeast through the county. The storm produced hail to baseball size, along with a two tornadoes.
- Hail in Wyoming, July 1, 2019A shortwave moved over the top of a ridge and brought severe thunderstorms to portions of northern and central Wyoming.
- Hail and Damaging Winds in Wyoming, April 25, 2009A severe thunderstorm traveled along Interstate 80 for about 40 miles through eastern Sweetwater County. The storm produced large hail, damaging wind, and a funnel cloud.
- Tornado and Hail in Wyoming, August 30, 2010A supercell thunderstorm formed over northern Hot Springs County and swept east-northeast across the Badlands through eastern Washakie County. The severe storm eventually moved into the Nowood River Valley south of Ten Sleep.
- Hail in Wyoming, July 2, 2011Large hail fell as a severe thunderstorm tracked across northern Weston County.
- Hail and Damaging Winds in Wyoming, May 27, 2018The combination of an upper level low moving across Wyoming and large amounts of moisture produced a severe weather outbreak across portions of central Wyoming.
- Tornado and Hail in Wyoming, June 18, 1997As many as 3 funnel clouds were observed passing over Cheyenne.
- Damaging Winds in Wyoming, June 30, 2010Pacific moisture and cold air aloft combined to form thunderstorms over the northern portion of the Big Horn Basin. The strongest storms occurred in Big Horn County and produced multiple reports of wind damage.
- Tornado and Hail in Wyoming, June 12, 2025An active upper-level pattern lead to widespread severe storms in eastern Wyoming and western Nebraska. Strong winds and hail were reported in storms the afternoon of June 12th.
- Tornado and Hail in Wyoming, June 29, 2018A supercell thunderstorm tracked east across central Campbell and southern Crook Counties, producing large hail and strong wind gusts. The storm became tornadic as it moved east-southeast of Sundance.
- Tornado and Hail in Wyoming, June 7, 2005A supercell thunderstorm developed across northern Campbell County and moved to the northeast. A small tornado touched down just southwest of the intersection of Bay Horse and Weischedel Roads.
- Tornado and Hail in Wyoming, September 4, 2016A thunderstorm rapidly developed near Merna, Wyoming, on the afternoon of Sunday, September 4. Southeast wind at the surface coupled with strong southwest flow aloft created a favorable environment in which the storm could rotate.
- Flash Flood and Hail in Wyoming, May 17, 2013A line of thunderstorms developed over the southern Big Horn Basin and become severe as they progressed to the northeast. Hail was reported in multiple locations. The largest hail was quarter sized and was observed in Winchester.
- Tornadoes and Hail in Wyoming, June 5 to 27, 1999Brief touchdown. Path width and length estimated.
- Hail and Damaging Winds in Wyoming, August 11, 1999Windows were broken at a spotters home.
- Tornado and Hail in Wyoming, June 11, 2011An intense storm produced strong and damaging winds as well as a brief tornado in Goshen County.
- Hail in Wyoming, June 16, 2015A stalled frontal boundary remained near the Continental Divide on Tuesday, June 16. Thunderstorms erupted during the early afternoon as an upper level disturbance passed over the area and combined with the moist, upslope flow north of the boundary.
- Tornadoes and Flash Flooding in Wyoming, July 2, 2011Late afternoon and early evening thunderstorms produced large hail, as well as a few tornadoes and flash flooding in Goshen and Converse counties.
- Tornado and Hail in Wyoming, June 22, 2013Strong to severe thunderstorms erupted over the eastern Wind River Mountains during the morning hours and moved east-northeast across Fremont and Natrona counties.
- Tornadoes and Hail in Wyoming, June 22, 2013Thunderstorms developed east of the Laramie Range during the early afternoon, and quickly became severe. The storms produced very large hail, strong winds, funnel clouds, and a few tornadoes.
More
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.