Hail in Henry County, Illinois

Hail in Henry County, Illinois: 217 recorded events between 1958 and 2026. The strongest on record measured 3. That places the county #543 nationally and #13 statewide for this hazard.

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

The busiest decade for hail in Henry County is the 2010s, when 82 of the county's 217 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 Henry County archive, hail makes up 32.0% of all recorded severe weather across 8 hazard types. Nationally the county sits at #543 for this hazard and #13 within Illinois, putting it in the 82.5 percentile of all U.S. counties.

Apr is the peak month for hail in Henry County with 52 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 304
• Tornado 71

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

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

What is the strongest hail recorded in Henry County?

The strongest hail on record in Henry County measured 3.

Where does the hail data for Henry 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.