331
Recorded events
1
Direct deaths
0
Direct injuries
$6.3M
Property damage
Thunderstorm Wind in Grant County, Wisconsin: 331 recorded events between 1958 and 2026. The strongest on record measured 74. That places the county #352 nationally and #4 statewide for this hazard.
Decade by decade
Thunderstorm Wind in Grant County, Wisconsin: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for thunderstorm wind in Grant County is the 2010s, when 107 of the county's 331 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 Grant County archive, thunderstorm wind makes up 40.1% of all recorded severe weather across 8 hazard types. Nationally the county sits at #352 for this hazard and #4 within Wisconsin, putting it in the 88.7 percentile of all U.S. counties.
Seasonality
Events by month
Jun is the peak month for thunderstorm wind in Grant County with 100 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.
Significant events
Deadliest on record
| Date | Location | Scale | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Jul 20, 2006 | CASSVILLE | 56 | 1 | 0 | $1K |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Apr 23, 2026 | LIVINGSTON | 53 | $0 |
| Apr 17, 2026 | MONTFORT | 50 | $10K |
| Apr 14, 2026 | FAIRPLAY | 61 | $0 |
| Jul 11, 2025 | HAZEL GREEN | 61 | $15K |
| Jul 11, 2025 | POTOSI | 56 | $0 |
| Jul 11, 2025 | LANCASTER ARPT | 52 | $0 |
| Jul 11, 2025 | LANCASTER | 50 | $5K |
| Mar 15, 2025 | BLUE RIVER | 50 | $15K |
| Mar 15, 2025 | UNION | 51 | $0 |
| Aug 6, 2024 | MUSCODA | 45 | $0 |
Other hazards here
More from Grant County
- Hail 252
- Flash Flood 69
- Flood 65
- Tornado 55
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
High winds from severe thunderstorms created considerable damage from Keiler and Dickeyville east to Cuba City and Hazel Green. Farm buildings were damaged and corn was flattened along County Roads H and Z. Between Keiler and Cuba City, numerous homes had siding and shingles blown off or were damaged by falling trees. More than three dozen trees were blown down, a barn was destroyed and several buildings received minor damage along Banfield and Indian Creek Roads. In Dickeyville, a roof was torn off, a side wall of a building knocked down and trees were uprooted or snapped off. North of Hazel Green, a machine shed was destroyed. Numerous power lines were blown down causing power outages over a large portion of southern Grant County.
Trees, power lines and a barn were blown down in Cassville. A hangar at the municipal airport was damaged and a fabric covered plane that was inside the hangar was damaged extensively. Downed trees briefly blocked the Burlington Northern Santa Fe railroad tracks. Hundreds of trees were reported to have been blown down across town and several homes near the airport were damaged by the fallen trees.
An estimated 70 mph wind gust occurred in Lancaster. Several barns and outbuildings were blown down and destroyed across the southwest half of Grant County as the line storms moved across. Lots of power lines were also down.
Quick answers
Frequently asked
How many thunderstorm wind events are on record in Grant County, Wisconsin?
331 thunderstorm wind events are recorded in Grant County between 1958 and 2026, causing 1 direct deaths.
What is the strongest thunderstorm wind recorded in Grant County?
The strongest thunderstorm wind on record in Grant County measured 74.
Where does the thunderstorm wind data for Grant 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 Grant County, Wisconsin.” Severe Weather History. severeweatherhistory.com/county/wisconsin/grant-county/thunderstorm-wind/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.