Hail in DeKalb County, Illinois

Hail in DeKalb County, Illinois: 88 recorded events between 1970 and 2026. The strongest on record measured 2.75. That places the county #1,603 nationally and #52 statewide for this hazard.

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

The busiest decade for hail in DeKalb County is the 2010s, when 27 of the county's 88 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 DeKalb County archive, hail makes up 18.1% of all recorded severe weather across 8 hazard types. Nationally the county sits at #1,603 for this hazard and #52 within Illinois, putting it in the 48.4 percentile of all U.S. counties.

Apr is the peak month for hail in DeKalb County with 20 recorded events, while Dec 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 314

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

88 hail events are recorded in DeKalb County between 1970 and 2026, causing 0 direct deaths.

What is the strongest hail recorded in DeKalb County?

The strongest hail on record in DeKalb County measured 2.75.

Where does the hail data for DeKalb 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.