Hail in Adams County, Illinois

Hail in Adams County, Illinois: 191 recorded events between 1961 and 2025. The strongest on record measured 4.5. That places the county #670 nationally and #19 statewide for this hazard.

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

The busiest decade for hail in Adams County is the 2000s, when 71 of the county's 191 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 Adams County archive, hail makes up 37.2% of all recorded severe weather across 7 hazard types. Nationally the county sits at #670 for this hazard and #19 within Illinois, putting it in the 78.5 percentile of all U.S. counties.

May is the peak month for hail in Adams County with 47 recorded events, while Feb 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 250

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

191 hail events are recorded in Adams County between 1961 and 2025, causing 0 direct deaths.

What is the strongest hail recorded in Adams County?

The strongest hail on record in Adams County measured 4.5.

Where does the hail data for Adams 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.