107
Recorded events
0
Direct deaths
1
Direct injuries
$198K
Property damage
Thunderstorm Wind in Deuel County, South Dakota: 107 recorded events between 1956 and 2025. The strongest on record measured 89. That places the county #2,126 nationally and #56 statewide for this hazard.
Decade by decade
Thunderstorm Wind in Deuel County, South Dakota: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for thunderstorm wind in Deuel County is the 2020s, when 34 of the county's 107 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 Deuel County archive, thunderstorm wind makes up 40.5% of all recorded severe weather across 7 hazard types. Nationally the county sits at #2,126 for this hazard and #56 within South Dakota, putting it in the 32.5 percentile of all U.S. counties.
Seasonality
Events by month
Jul is the peak month for thunderstorm wind in Deuel County with 29 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 |
|---|---|---|---|---|---|
| Apr 25, 1989 | 0 | 0 | 1 | $0 |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Sep 14, 2025 | GARY | 59 | $0 |
| Aug 16, 2025 | TUNERVILLE | 67 | $0 |
| Aug 16, 2025 | CLEAR LAKE | 61 | $0 |
| Aug 16, 2025 | JOHNSONVILLE | 61 | $0 |
| Aug 16, 2025 | JOHNSONVILLE | 60 | $0 |
| Aug 12, 2025 | JOHNSONVILLE | 64 | $0 |
| Aug 12, 2025 | TUNERVILLE | 59 | $0 |
| Aug 6, 2025 | TORONTO | 52 | $0 |
| Jun 20, 2025 | TUNERVILLE | 51 | $0 |
| Jun 16, 2025 | JOHNSONVILLE | 57 | $0 |
Other hazards here
More from Deuel County
- Hail 99
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Many trees were downed in and around Clear Lake by 80 mph winds. At a farm just to the northeast of Clear Lake, a 220 foot milking barn was destroyed, half of another barn was destroyed, and several pieces of machinery were damaged. Also, a silo toppled over and killed two horses. At another farm northeast of Clear Lake, part of a machine shed roof was torn off, an irrigation unit was tipped over and severely damaged, and trees were uprooted. Just to the northwest of Clear Lake, high winds and hail broke windows out of a home and severely damaged the siding. In Clear Lake, several buildings and some semi trailers were damaged at a business by the high winds.
A line of thunderstorms producing straight line winds gusting to around 75 mph destroyed a 40 by 120 foot pole building 3 miles east of Clear Lake and a cap was blown off the silo. In addition, there was widespread damage across Deuel County to several outbuildings, trees were knocked over and power lines were blown down producing power outages. Some large trees fell and damaged homes in Bemis, Gary, Toronto and Clear Lake.
Strong thunderstorm winds blew the roof of a granary against a house, creating a hole in the side of the home and knocking cupboards off the inside of the home. The wall was pushed in about a foot. Parts of the grainary were thrown 1,500 feet. An apple tree was snapped off and thrown 600 feet. Twenty calf shelters were destroyed injuring one calf. Also, many trees were blown down on a nearby golf course.
Quick answers
Frequently asked
How many thunderstorm wind events are on record in Deuel County, South Dakota?
107 thunderstorm wind events are recorded in Deuel County between 1956 and 2025, causing 0 direct deaths.
What is the strongest thunderstorm wind recorded in Deuel County?
The strongest thunderstorm wind on record in Deuel County measured 89.
Where does the thunderstorm wind data for Deuel 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 Deuel County, South Dakota.” Severe Weather History. severeweatherhistory.com/county/south-dakota/deuel-county/thunderstorm-wind/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.