Hail in Alexander County, Illinois

Hail in Alexander County, Illinois: 52 recorded events between 1966 and 2025. The strongest on record measured 2.5. That places the county #2,195 nationally and #87 statewide for this hazard.

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

The busiest decade for hail in Alexander County is the 2000s, when 24 of the county's 52 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 Alexander County archive, hail makes up 15.5% of all recorded severe weather across 8 hazard types. Nationally the county sits at #2,195 for this hazard and #87 within Illinois, putting it in the 29.1 percentile of all U.S. counties.

May is the peak month for hail in Alexander County with 16 recorded events, while Aug 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.

• Flood 151
• Thunderstorm Wind 79

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

52 hail events are recorded in Alexander County between 1966 and 2025, causing 0 direct deaths.

What is the strongest hail recorded in Alexander County?

The strongest hail on record in Alexander County measured 2.5.

Where does the hail data for Alexander 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.