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Hail in Cass County, Illinois
57 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 57 hail events in Cass County, Illinois, between 1950 and 2026, spread over 28 years.
May is the busiest month, with 17 of the recorded events. The last 20 years account for 32 events against 21 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.5% of the 12,331 hail events recorded in Illinois; its 15.2 per 100 square miles compares with 22.2 statewide.
16 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 | Cass County | Illinois | US |
|---|---|---|---|
| Hail events since 1950 | 57 | 12,331 | 424,356 |
| Per 100 square miles | 15.2 | 22.2 | 12.0 |
| Per 10,000 residents | 44.6 | 9.7 | 12.8 |
| Deaths recorded | 0 | 0 | 29 |
| Busiest month | May | May | May |
By year
Seasonality
1Feb
2Mar
8Apr
7May
17Jun
9Jul
5Aug
3Sep
2Oct
1Nov
2Dec
0
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 57 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 |
|---|---|---|---|---|---|---|---|
| 4 May 2026 | Hail | 0.88 in | — | — | — | — | County |
| 15 Mar 2026 | Hail | 0.88 in | — | — | — | — | County |
| 14 Jul 2023 | Hail | 1.00 in | — | — | — | — | County |
| 3 May 2021 | Hail | 1.50 in | — | — | — | — | County |
| 3 May 2021 | Hail | 1.50 in | — | — | — | — | County |
| 3 May 2021 | Hail | 1.00 in | — | — | — | — | County |
| 17 Jul 2019 | Hail | 1.00 in | — | — | — | — | County |
| 5 Jun 2019 | Hail | 0.88 in | — | — | — | — | County |
| 5 Jun 2019 | Hail | 0.88 in | — | — | — | — | County |
| 5 Jun 2019 | Hail | 1.00 in | — | — | — | — | County |
| 25 May 2019 | Hail | 0.75 in | — | — | — | — | County |
| 10 Jun 2018 | Hail | 1.75 in | — | — | — | — | County |
| 10 Jun 2018 | Hail | 2.50 in | $100K | — | — | — | County |
| 17 Jun 2017 | Hail | 1.00 in | — | — | — | — | County |
| 6 Mar 2017 | Hail | 1.00 in | — | — | — | — | County |
| 28 Feb 2017 | Hail | 1.00 in | — | — | — | — | County |
| 11 May 2016 | Hail | 0.75 in | — | — | — | — | County |
| 21 Jun 2014 | Hail | 0.75 in | — | — | — | — | County |
| 8 May 2014 | Hail | 0.88 in | — | — | — | — | County |
| 28 Apr 2014 | Hail | 0.88 in | — | — | — | — | County |
| 17 Nov 2013 | Hail | 0.88 in | — | — | — | — | County |
| 15 Mar 2012 | Hail | 1.00 in | — | — | — | — | County |
| 13 Aug 2011 | Hail | 1.00 in | — | — | — | — | County |
| 15 Apr 2011 | Hail | 1.00 in | — | — | — | — | County |
| 27 Feb 2011 | Hail | 1.75 in | $10K | — | — | — | County |
| 2 Sep 2010 | Hail | 1.00 in | — | — | — | — | County |
| 2 Sep 2010 | Hail | 1.00 in | — | — | — | — | County |
| 15 May 2009 | Hail | 0.75 in | — | — | — | — | County |
| 15 May 2009 | Hail | 0.88 in | — | — | — | — | County |
| 13 May 2009 | Hail | 0.88 in | — | — | — | — | County |
| 3 Jun 2008 | Hail | 1.75 in | — | — | — | — | County |
| 31 Mar 2008 | Hail | 0.75 in | — | — | — | — | County |
| 2 Aug 2006 | Hail | 0.75 in | — | — | — | — | County |
| 20 Jul 2006 | Hail | 0.88 in | — | — | — | — | County |
| 11 Mar 2006 | Hail | 0.75 in | — | — | — | — | County |
| 5 Nov 2005 | Hail | 0.75 in | — | — | — | — | County |
| 1 Jan 2005 | Hail | 0.75 in | — | — | — | — | County |
| 25 Aug 2004 | Hail | 1.75 in | — | — | — | — | County |
| 9 May 2003 | Hail | 1.75 in | — | — | — | — | County |
| 4 Apr 2003 | Hail | 1.75 in | — | — | — | — | County |
| 7 May 2002 | Hail | 0.88 in | — | — | — | — | County |
| 19 Apr 2002 | Hail | 0.75 in | — | — | — | — | County |
| 17 Jul 2001 | Hail | 0.75 in | — | — | — | — | County |
| 1 Jun 1999 | Hail | 0.75 in | — | — | — | — | County |
| 29 Oct 1998 | Hail | 1.75 in | — | — | — | — | County |
| 12 May 1998 | Hail | 1.50 in | — | — | — | — | County |
| 19 Apr 1996 | Hail | 1.00 in | — | — | — | — | County |
| 18 Apr 1996 | Hail | 1.75 in | — | — | — | — | County |
| 18 Apr 1996 | Hail | 1.75 in | — | — | — | — | County |
| 16 May 1995 | Hail | 1.75 in | — | — | — | — | County |
| 9 Jul 1992 | Hail | 1.75 in | — | — | — | — | County |
| 6 Mar 1992 | Hail | 0.75 in | — | — | — | — | County |
| 6 Mar 1992 | Hail | 0.75 in | — | — | — | — | County |
| 14 May 1985 | Hail | 1.75 in | — | — | — | — | County |
| 14 May 1985 | Hail | 1.75 in | — | — | — | — | County |
| 5 May 1977 | Hail | 2.75 in | — | — | — | — | County |
| 21 Mar 1966 | Hail | 2.00 in | — | — | — | — | County |
Questions and answers
How many hail events has Cass County had?
57 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 Cass County?
4 May 2026 (Hail, 0.88 in). Records reach NCEI about 120 days after the month ends.
What was the most damaging hail event recorded in Cass County?
The hail of 10 Jun 2018, with property damage estimated by NCEI at $100K.
How does Cass County compare with Illinois for hail?
15.2 events per 100 square miles against 22.2 statewide; the county holds 57 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.