Hail in Sangamon County, Illinois

Hail in Sangamon County, Illinois: 314 recorded events between 1956 and 2026. The strongest on record measured 3.25. That places the county #289 nationally and #4 statewide for this hazard.

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

The busiest decade for hail in Sangamon County is the 2010s, when 101 of the county's 314 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 Sangamon County archive, hail makes up 33.3% of all recorded severe weather across 7 hazard types. Nationally the county sits at #289 for this hazard and #4 within Illinois, putting it in the 90.8 percentile of all U.S. counties.

May is the peak month for hail in Sangamon County with 116 recorded events, while Oct 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 450
• Tornado 90
• Flash Flood 65

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

314 hail events are recorded in Sangamon County between 1956 and 2026, causing 0 direct deaths.

What is the strongest hail recorded in Sangamon County?

The strongest hail on record in Sangamon County measured 3.25.

Where does the hail data for Sangamon 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.