Thunderstorm Wind in Mellette County, South Dakota

Thunderstorm Wind in Mellette County, South Dakota: 113 recorded events between 1966 and 2025. The strongest on record measured 81. That places the county #2,041 nationally and #51 statewide for this hazard.

Reporting practice changed over time — early decades are undercounted, not calmer.

The busiest decade for thunderstorm wind in Mellette County is the 2010s, when 40 of the county's 113 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 Mellette County archive, thunderstorm wind makes up 37.3% of all recorded severe weather across 7 hazard types. Nationally the county sits at #2,041 for this hazard and #51 within South Dakota, putting it in the 35.1 percentile of all U.S. counties.

Jul is the peak month for thunderstorm wind in Mellette County with 37 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.

• Hail 162

How many thunderstorm wind events are on record in Mellette County, South Dakota?

113 thunderstorm wind events are recorded in Mellette County between 1966 and 2025, causing 0 direct deaths.

What is the strongest thunderstorm wind recorded in Mellette County?

The strongest thunderstorm wind on record in Mellette County measured 81.

Where does the thunderstorm wind data for Mellette 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.