Thunderstorm Wind in Wyoming
Every thunderstorm wind event the National Weather Service has filed in Wyoming, year by year, with the most significant episodes. Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
The most significant on the map
The most significant thunderstorm wind 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
- 2,840
- Deaths
- 1
- Injuries
- 67
- Damage
- $7.6 million
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Tornadoes and Hail in Wyoming, July 21, 1987
- Tornadoes and Hail in Wyoming, June 25, 1975
- Damaging Winds and High Wind in Wyoming, July 3 to 7, 2023A strong cold front and shortwave moved across Wyoming. Showers and thunderstorms mixed strong low level winds to the surface and brought numerous reports of wind gusts over 50 mph.
- Tornadoes and Damaging Winds in Wyoming, May 6, 1988
- Damaging Wind in Wyoming, August 7, 1993A massive wind and rainstorm struck the fairgrounds blowing over two tents and shredding another. Up to 28 people received minor injuries.
- Tornadoes and Hail in Wyoming, July 28, 2018Thunderstorms produced large hail, damaging winds and a couple tornadoes over portions of Converse and Platte counties.
- Hail and Damaging Wind in Wyoming, August 2, 2013A thunderstorm developed in the Gillette area and quickly became severe. The storm produced heavy rain over part of town and large hail and strong wind gusts east of Gillette.
- Tornadoes and Flash Flood in Wyoming, May 22, 2008Severe thunderstorms moved generally north northwest over parts of far southeast Wyoming producing a few tornadoes as well as hail and some flooding. The most significant tornado tracked across southeastern Albany county into northern and eastern parts of the city of Laramie.
- Tornadoes and Flash Flooding in Wyoming, May 18, 2010Southeast low level wind flow increased ahead of a low pressure system over northern Colorado the afternoon of May 18 2010. A strong low level southeast jet combined with dynamics of the low to create a favorable environment for severe thunderstorms.
- Hail and Damaging Winds in Wyoming, June 18, 2008Thunderstorms firing over the higher terrain of central Wyoming strengthened as they moved into a more unstable and moist environment in Johnson and Natrona counties.
- Tornado and Damaging Wind in Wyoming, July 22, 1966
- Tornadoes and Hail in Wyoming, June 23, 2023A tornadic thunderstorm developed over far southern Campbell County and tracked east-northeast into Weston County.
- Tornado and Hail in Wyoming, June 13, 2014A severe thunderstorm developed over northern Campbell County and tracked eastward across far northeastern Wyoming. The storm produced hail to golf ball size, strong wind gusts, and a long-track tornado over the Bear Lodge Mountains.
- Flash Flood and Hail in Wyoming, August 1, 2013A supercell thunderstorm moved southeastward across southern Campbell County, producing large hail and strong wind gusts. Extensive hail damage occurred in Wright, with many homes and vehicles affected, with the Noonan and Casner subdivisions receiving the most damage.
- Tornadoes and Damaging Wind in Wyoming, June 28, 1979
- Flash Flood and Damaging Wind in Wyoming, July 3, 2009Intense rainfall accompanied a strong thunderstorm which gained strength just west of Casper before blasting through town. The thunderstorm formed in a uncharacteristically moist airmass where precipitable water values approached 150% of normal.
- Tornado and Hail in Wyoming, July 20, 1978
- Tornadoes and Hail in Wyoming, May 24, 1990
- Tornado and Damaging Wind in Wyoming, July 11, 1978
- Tornado and Damaging Wind in Wyoming, May 31, 1984
- 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.
- Tornado and Hail in Wyoming, August 19, 1993The police department reported golfball-size hail along with hail during the early morning hours.
- 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.
- Flash Flood and Hail in Wyoming, July 5, 2013A moist and unstable airmass and an upper level disturbance brought a third straight day of thunderstorms to western and central Wyoming.
- Hail and Damaging Wind in Wyoming, July 19, 2010A severe thunderstorm dropped hail to golf ball size and produced strong wind gusts from Moorcroft to Osage, causing significant damage to buildings and automobiles.
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.