277
Recorded events
2
Direct deaths
2
Direct injuries
$2.3M
Property damage
Thunderstorm Wind in St. Clair County, Michigan: 277 recorded events between 1956 and 2025. The strongest on record measured 78. That places the county #549 nationally and #13 statewide for this hazard.
Decade by decade
Thunderstorm Wind in St. Clair County, Michigan: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for thunderstorm wind in St. Clair County is the 2000s, when 86 of the county's 277 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 St. Clair County archive, thunderstorm wind makes up 66.9% of all recorded severe weather across 6 hazard types. Nationally the county sits at #549 for this hazard and #13 within Michigan, putting it in the 82.6 percentile of all U.S. counties.
Seasonality
Events by month
Jul is the peak month for thunderstorm wind in St. Clair County with 82 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 |
|---|---|---|---|---|---|
| Mar 28, 1991 | 0 | 1 | 0 | $0 | |
| Mar 28, 1991 | 52 | 1 | 0 | $0 | |
| Mar 28, 1991 | 0 | 0 | 2 | $0 |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Aug 13, 2025 | ST CLAIR ARPT | 48 | $1K |
| May 16, 2025 | LAMB | 56 | $0 |
| May 16, 2025 | COLUMBUS | 58 | $0 |
| Apr 29, 2025 | MARINE CITY | 43 | $500 |
| Apr 29, 2025 | MARINE CITY | 43 | $500 |
| Apr 29, 2025 | HARSENS IS | 52 | $0 |
| Mar 31, 2025 | PORT HURON | 55 | $0 |
| Aug 31, 2024 | STARVILLE | 55 | $0 |
| Aug 31, 2024 | STARVILLE | 50 | $0 |
| Jun 21, 2024 | COLUMBUS | 50 | $0 |
Other hazards here
More from St. Clair County
- Hail 91
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
The media and trained spotters reported numerous large trees blown down in Algonac and on Harsens Island. One tree fell onto the roof of a home. A pickup truck was destroyed by a fallen tree. Two tool sheds were also destroyed by fallen trees.
Law enforcement reported numerous trees and power poles down in Fort Gratiot, covering a 2 square mile area between Keewahdin and Carrigan Roads. Several homes received damage from falling trees. No one was injured. Total property damages were estimated at roughly $50K.
The local newspaper included photographs of a 35-foot motor home on its side. The wind also picked up and tossed a 300-pound table across the patio at the same home and blew a large tree down on the home next door. Total property damages were estimated at roughly $25K.
Quick answers
Frequently asked
How many thunderstorm wind events are on record in St. Clair County, Michigan?
277 thunderstorm wind events are recorded in St. Clair County between 1956 and 2025, causing 2 direct deaths.
What is the strongest thunderstorm wind recorded in St. Clair County?
The strongest thunderstorm wind on record in St. Clair County measured 78.
Where does the thunderstorm wind data for St. Clair 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 St. Clair County, Michigan.” Severe Weather History. severeweatherhistory.com/county/michigan/st-clair-county/thunderstorm-wind/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.