Thunderstorm Wind in Mills County, Iowa

Thunderstorm Wind in Mills County, Iowa: 128 recorded events between 1970 and 2026. The strongest on record measured 78. That places the county #1,820 nationally and #65 statewide for this hazard.

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

The busiest decade for thunderstorm wind in Mills County is the 2020s, when 34 of the county's 128 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 Mills County archive, thunderstorm wind makes up 38.9% of all recorded severe weather across 8 hazard types. Nationally the county sits at #1,820 for this hazard and #65 within Iowa, putting it in the 42.2 percentile of all U.S. counties.

Jun is the peak month for thunderstorm wind in Mills County with 41 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 145

Written by National Weather Service staff at the time of the event · public domain

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

128 thunderstorm wind events are recorded in Mills County between 1970 and 2026, causing 0 direct deaths.

What is the strongest thunderstorm wind recorded in Mills County?

The strongest thunderstorm wind on record in Mills County measured 78.

Where does the thunderstorm wind data for Mills 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.