Thunderstorm Wind in Decatur County, Iowa

Thunderstorm Wind in Decatur County, Iowa: 110 recorded events between 1956 and 2025. The strongest on record measured 71. That places the county #2,083 nationally and #80 statewide for this hazard.

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

The busiest decade for thunderstorm wind in Decatur County is the 2000s, when 43 of the county's 110 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 Decatur County archive, thunderstorm wind makes up 35.4% of all recorded severe weather across 8 hazard types. Nationally the county sits at #2,083 for this hazard and #80 within Iowa, putting it in the 33.7 percentile of all U.S. counties.

Jun is the peak month for thunderstorm wind in Decatur County with 40 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 95

How many thunderstorm wind events are on record in Decatur County, Iowa?

110 thunderstorm wind events are recorded in Decatur County between 1956 and 2025, causing 0 direct deaths.

What is the strongest thunderstorm wind recorded in Decatur County?

The strongest thunderstorm wind on record in Decatur County measured 71.

Where does the thunderstorm wind data for Decatur 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.