87
Recorded events
0
Direct deaths
0
Direct injuries
$283K
Property damage
Thunderstorm Wind in Big Horn County, Wyoming: 87 recorded events between 1975 and 2025. The strongest on record measured 78. That places the county #2,372 nationally and #12 statewide for this hazard.
Decade by decade
Thunderstorm Wind in Big Horn County, Wyoming: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for thunderstorm wind in Big Horn County is the 2010s, when 28 of the county's 87 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.
Within the Big Horn County archive, thunderstorm wind makes up 39.2% of all recorded severe weather across 7 hazard types. Nationally the county sits at #2,372 for this hazard and #12 within Wyoming, putting it in the 24.6 percentile of all U.S. counties.
Seasonality
Events by month
Jun is the peak month for thunderstorm wind in Big Horn County with 35 recorded events, while Jan is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Aug 1, 2025 | GREYBULL ARPT | 55 | $0 |
| Jul 30, 2025 | GREYBULL ARPT | 58 | $0 |
| Jul 26, 2025 | HYATTVILLE | 51 | $0 |
| Jul 4, 2025 | GREYBULL ARPT | 58 | $0 |
| Sep 3, 2024 | GREYBULL ARPT | 50 | $0 |
| Aug 5, 2024 | COWLEY ARPT | 55 | $0 |
| Jul 27, 2024 | GREYBULL ARPT | 60 | $0 |
| Jul 6, 2024 | GREYBULL ARPT | 51 | $0 |
| Jul 2, 2024 | GREYBULL ARPT | 51 | $0 |
| Jun 14, 2024 | GREYBULL ARPT | 62 | $0 |
Other hazards here
More from Big Horn County
- Hail 62
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
A gust front developed ahead of a line of thunderstorms moving northward through the Bighorn Basin. Very strong winds developed along a line from Manderson northward to Greybull. At the Greybull airport, a wind gust of 78 mph was recorded before the power failed. In Basin. 15 to 20 trees were downed or uprooted, some falling on houses and power lines. In addition, a roof was blown off of a building and a power pole was snapped. In Greybull, numerous trees were uprooted. One tree fell on a house, causing some structural damage. Another tree was uprooted at a motel.
There was extensive thunderstorm wind damage in Basin. Most of the damage occurred south of Wyoming Avenue over the southern-quarter of the town. A large tree fell over onto the bed of a pickup, rendering it useless. Downed trees and limbs were responsible for roof damage and flying debris shattered both home and vehicle windows.
A wind gust of 79 mph was reported at the Greybull, Wyoming airport from a convective shower. The wind gust caused damage in Greybull, Wyoming, where a tree was uprooted, a roof and house under construction were damaged, and a camper was tipped over.
Quick answers
Frequently asked
How many thunderstorm wind events are on record in Big Horn County, Wyoming?
87 thunderstorm wind events are recorded in Big Horn County between 1975 and 2025, causing 0 direct deaths.
What is the strongest thunderstorm wind recorded in Big Horn County?
The strongest thunderstorm wind on record in Big Horn County measured 78.
Where does the thunderstorm wind data for Big Horn County come from?
All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.
Cite this page
“Thunderstorm Wind in Big Horn County, Wyoming.” Severe Weather History. severeweatherhistory.com/county/wyoming/big-horn-county/thunderstorm-wind/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.