Hail in Henderson County, Illinois

Hail in Henderson County, Illinois: 66 recorded events between 1958 and 2026. The strongest on record measured 4.5. That places the county #1,928 nationally and #69 statewide for this hazard.

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

The busiest decade for hail in Henderson County is the 2000s, when 30 of the county's 66 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 Henderson County archive, hail makes up 29.6% of all recorded severe weather across 7 hazard types. Nationally the county sits at #1,928 for this hazard and #69 within Illinois, putting it in the 37.9 percentile of all U.S. counties.

Apr is the peak month for hail in Henderson County with 15 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 86

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

66 hail events are recorded in Henderson County between 1958 and 2026, causing 0 direct deaths.

What is the strongest hail recorded in Henderson County?

The strongest hail on record in Henderson County measured 4.5.

Where does the hail data for Henderson 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.