Hail in Hamilton County, Iowa

Hail in Hamilton County, Iowa: 149 recorded events between 1974 and 2024. The strongest on record measured 2.75. That places the county #935 nationally and #41 statewide for this hazard.

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

The busiest decade for hail in Hamilton County is the 2000s, when 75 of the county's 149 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 Hamilton County archive, hail makes up 34.0% of all recorded severe weather across 8 hazard types. Nationally the county sits at #935 for this hazard and #41 within Iowa, putting it in the 69.9 percentile of all U.S. counties.

Jun is the peak month for hail in Hamilton 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.

• Thunderstorm Wind 134
• Tornado 56

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

149 hail events are recorded in Hamilton County between 1974 and 2024, causing 0 direct deaths.

What is the strongest hail recorded in Hamilton County?

The strongest hail on record in Hamilton County measured 2.75.

Where does the hail data for Hamilton 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.