Hail in Boone County, Iowa

Hail in Boone County, Iowa: 193 recorded events between 1960 and 2025. The strongest on record measured 3. That places the county #658 nationally and #23 statewide for this hazard.

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

The busiest decade for hail in Boone County is the 2000s, when 68 of the county's 193 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 Boone County archive, hail makes up 32.5% of all recorded severe weather across 8 hazard types. Nationally the county sits at #658 for this hazard and #23 within Iowa, putting it in the 78.8 percentile of all U.S. counties.

Jul is the peak month for hail in Boone County with 48 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.

• Thunderstorm Wind 214
• Heavy Rain 72
• Tornado 53

How many hail events are on record in Boone County, Iowa?

193 hail events are recorded in Boone County between 1960 and 2025, causing 0 direct deaths.

What is the strongest hail recorded in Boone County?

The strongest hail on record in Boone County measured 3.

Where does the hail data for Boone 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.