409
Recorded events
3
Direct deaths
53
Direct injuries
$14.7M
Property damage
Thunderstorm Wind in Pinal County, Arizona: 409 recorded events between 1955 and 2025. The strongest on record measured 87. That places the county #199 nationally and #3 statewide for this hazard.
Decade by decade
Thunderstorm Wind in Pinal County, Arizona: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for thunderstorm wind in Pinal County is the 2020s, when 115 of the county's 409 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 Pinal County archive, thunderstorm wind makes up 55.3% of all recorded severe weather across 10 hazard types. Nationally the county sits at #199 for this hazard and #3 within Arizona, putting it in the 93.7 percentile of all U.S. counties.
Seasonality
Events by month
Aug is the peak month for thunderstorm wind in Pinal County with 152 recorded events, while Feb 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 |
|---|---|---|---|---|---|
| Aug 27, 1988 | 0 | 2 | 17 | $0 | |
| Sep 13, 1993 | Casa Grande | 0 | 1 | 2 | $500K |
| Jul 13, 1990 | 0 | 0 | 15 | $0 | |
| Jul 13, 1990 | 0 | 0 | 9 | $0 | |
| Jul 4, 2009 | SANTAN | 70 | 0 | 4 | $250K |
| Aug 3, 2018 | ELOY MUNI ARPT | 70 | 0 | 2 | $250K |
| Aug 18, 2011 | ELOY | 65 | 0 | 1 | $1.0M |
| Jul 24, 2005 | BAPCHULE | 65 | 0 | 1 | $200K |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Sep 26, 2025 | MAGMA | 50 | $2K |
| Sep 26, 2025 | FLORENCE | 50 | $500 |
| Sep 2, 2025 | CASA GRANDE | 50 | $2K |
| Sep 2, 2025 | BORREES CORNER | 53 | $0 |
| Sep 2, 2025 | MAGMA | 50 | $2K |
| Sep 2, 2025 | MAGMA | 50 | $5K |
| Aug 25, 2025 | RED ROCK | 50 | $5K |
| Aug 25, 2025 | ELOY | 50 | $500 |
| Aug 25, 2025 | WYMOLA | 50 | $1K |
| Aug 22, 2025 | PALM SPGS | 50 | $5K |
Other hazards here
More from Pinal County
- Flash Flood 131
- Hail 78
- Heavy Rain 44
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
A severe thunderstorm moved into the far northern part of the city of Casa Grande, and overturned a mobile home which pinned a small child underneath. The little girl later died of her injuries. The very strong thunderstorm winds also downed power lines and blew down a medium-size pine tree. Heavy rains also flooded part of Interstate 10 near mile post 190, and a subdivision had to be cordoned off due to high waters. (F03M)
About 90 mobile homes damaged or destroyed at Las Casitas trailer park. One third of them were blown off their foundations. About 150 people evacuated due to damage and numerous gas leaks. Unknown number of people had minor injuries. Numerous trees were blown down and about a mile-long stretch of power poles were damaged.
Thunderstorm winds up to 75 mph impacted Eloy, Arizona when a microburst descended near the Volvo equipment rental facility. These strong winds resulted in significant damage in a divergent pattern across southeast portions of Eloy. A total of 20 homes sustained significant damage. Some had roof structures blown off, while some suffered total roof collapses and one had a tree fell on it and a nearby vehicle. Of the 20 homes, 14 were condemned. Several other homes sustained damage due to flying debris while still others only had shingle damage. In addition, eight businesses were damaged beyond repair including one that also collapsed onto cars and equipment. Several power poles were also downed resulting in widespread power outages in the August heat forcing Eloy to set up a cooling center in a local high school. A number of semi-tractor trailers were also blown over in a parking lot. One person sustained minor injuries when winds ripped the roof off a mobile home.
Quick answers
Frequently asked
How many thunderstorm wind events are on record in Pinal County, Arizona?
409 thunderstorm wind events are recorded in Pinal County between 1955 and 2025, causing 3 direct deaths.
What is the strongest thunderstorm wind recorded in Pinal County?
The strongest thunderstorm wind on record in Pinal County measured 87.
Where does the thunderstorm wind data for Pinal 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 Pinal County, Arizona.” Severe Weather History. severeweatherhistory.com/county/arizona/pinal-county/thunderstorm-wind/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.