Thunderstorm Wind in Custer County, South Dakota

Thunderstorm Wind in Custer County, South Dakota: 229 recorded events between 1963 and 2026. The strongest on record measured 98. That places the county #816 nationally and #18 statewide for this hazard.

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

The busiest decade for thunderstorm wind in Custer County is the 2010s, when 99 of the county's 229 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 Custer County archive, thunderstorm wind makes up 23.5% of all recorded severe weather across 9 hazard types. Nationally the county sits at #816 for this hazard and #18 within South Dakota, putting it in the 74.0 percentile of all U.S. counties.

Jul is the peak month for thunderstorm wind in Custer County with 84 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 682

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

229 thunderstorm wind events are recorded in Custer County between 1963 and 2026, causing 0 direct deaths.

What is the strongest thunderstorm wind recorded in Custer County?

The strongest thunderstorm wind on record in Custer County measured 98.

Where does the thunderstorm wind data for Custer 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.