Hail in Hamilton County, Illinois

Hail in Hamilton County, Illinois: 44 recorded events between 1964 and 2024. The strongest on record measured 2. That places the county #2,338 nationally and #94 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 20 of the county's 44 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 24.6% of all recorded severe weather across 7 hazard types. Nationally the county sits at #2,338 for this hazard and #94 within Illinois, putting it in the 24.5 percentile of all U.S. counties.

Apr is the peak month for hail in Hamilton County with 16 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 70

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

44 hail events are recorded in Hamilton County between 1964 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.

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.