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Hail in Calhoun County, Illinois
32 hail events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Hail.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
NCEI records 32 hail events in Calhoun County, Illinois, between 1950 and 2026, spread over 19 years.
May is the busiest month, with 13 of the recorded events. The last 20 years account for 13 events against 17 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.3% of the 12,331 hail events recorded in Illinois; its 12.6 per 100 square miles compares with 22.2 statewide.
9 of the hail reports with a recorded size were golf-ball size (1.75 inches) or larger; the largest recorded stone was 2.75 inches (baseball size).
Compared with Illinois
| Measure | Calhoun County | Illinois | US |
|---|---|---|---|
| Hail events since 1950 | 32 | 12,331 | 424,356 |
| Per 100 square miles | 12.6 | 22.2 | 12.0 |
| Per 10,000 residents | 73.2 | 9.7 | 12.8 |
| Deaths recorded | 0 | 0 | 29 |
| Busiest month | May | May | May |
By year
Seasonality
1Feb
0Mar
2Apr
4May
13Jun
6Jul
2Aug
1Sep
1Oct
0Nov
1Dec
1
Magnitude distribution
NWS hail-size descriptors
- under 1 in
- pea to quarter
- 1–1.74 in
- quarter to golf ball
- 1.75–2.74 in
- golf ball to baseball
- 2.75–3.99 in
- baseball to softball
- 4 in and larger
- softball and larger
Hail size in inches as recorded by NCEI; events without a size are not binned.
Recorded events
All 32 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 1 Jul 2023 | Hail | 2.00 in | — | — | — | — | County |
| 6 May 2023 | Hail | 1.00 in | — | — | — | — | County |
| 19 Jun 2021 | Hail | 1.00 in | — | — | — | — | County |
| 24 Mar 2019 | Hail | 1.00 in | — | — | — | — | County |
| 6 May 2018 | Hail | 0.75 in | — | — | — | — | County |
| 27 Apr 2016 | Hail | 1.00 in | — | — | — | — | County |
| 10 May 2014 | Hail | 1.00 in | — | — | — | — | County |
| 4 Jun 2012 | Hail | 0.88 in | — | — | — | — | County |
| 11 May 2011 | Hail | 1.00 in | — | — | — | — | County |
| 19 Apr 2011 | Hail | 2.50 in | — | — | — | — | County |
| 3 May 2010 | Hail | 1.25 in | — | — | — | — | County |
| 5 Aug 2008 | Hail | 0.88 in | — | — | — | — | County |
| 11 Jul 2008 | Hail | 1.50 in | — | — | — | — | County |
| 22 Jun 2006 | Hail | 2.75 in | — | — | — | — | County |
| 13 Mar 2006 | Hail | 1.00 in | — | — | — | — | County |
| 2 Jan 2006 | Hail | 0.75 in | — | — | — | — | County |
| 5 Nov 2005 | Hail | 0.75 in | — | — | — | — | County |
| 27 May 2004 | Hail | 0.75 in | — | — | — | — | County |
| 27 May 2004 | Hail | 0.75 in | — | — | — | — | County |
| 9 May 2003 | Hail | 0.75 in | — | — | — | — | County |
| 4 Apr 2003 | Hail | 0.88 in | — | — | — | — | County |
| 1 May 2002 | Hail | 1.75 in | — | — | — | — | County |
| 1 May 2002 | Hail | 1.75 in | — | — | — | — | County |
| 12 Jun 1998 | Hail | 1.75 in | — | — | — | — | County |
| 12 Jun 1998 | Hail | 1.75 in | — | — | — | — | County |
| 12 Jun 1998 | Hail | 1.00 in | — | — | — | — | County |
| 23 Dec 1996 | Hail | 1.00 in | — | — | — | — | County |
| 3 May 1996 | Hail | 1.75 in | — | — | — | — | County |
| 3 May 1996 | Hail | 1.75 in | — | — | — | — | County |
| 19 Apr 1996 | Hail | 0.75 in | — | — | — | — | County |
| 16 May 1986 | Hail | 1.00 in | — | — | — | — | County |
| 6 Sep 1983 | Hail | 0.75 in | — | — | — | — | County |
Questions and answers
How many hail events has Calhoun County had?
32 events in the NCEI Storm Events record between 1950 and 2026. Reporting of hail became far more complete after 1996, so early decades undercount.
When was the last recorded hail event in Calhoun County?
1 Jul 2023 (Hail, 2.00 in). Records reach NCEI about 120 days after the month ends.
What was the most damaging hail event recorded in Calhoun County?
NCEI records no damage estimate for events of this type in the county.
How does Calhoun County compare with Illinois for hail?
12.6 events per 100 square miles against 22.2 statewide; the county holds 32 of the state's 12,331 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Hail hub and the county page.