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Wind in Cass County, Illinois
114 damaging wind events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Thunderstorm Wind, High Wind, Strong Wind.
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 114 wind events in Cass County, Illinois, between 1950 and 2026, spread over 46 years.
May is the busiest month, with 23 of the recorded events. The last 20 years account for 40 events against 57 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.5% of the 24,881 wind events recorded in Illinois; its 30.3 per 100 square miles compares with 44.8 statewide.
51 wind reports with a measured or estimated speed reached the 58 mph severe threshold, and 2 reached hurricane force (74 mph).
Some winter weather and high wind events are recorded by NWS forecast zone rather than by county; zone-recorded events whose zone is named for the county are included and marked "Forecast zone" in the table.
Compared with Illinois
| Measure | Cass County | Illinois | US |
|---|---|---|---|
| Wind events since 1950 | 114 | 24,881 | 701,953 |
| Per 100 square miles | 30.3 | 44.8 | 19.9 |
| Per 10,000 residents | 89.3 | 19.6 | 21.1 |
| Deaths recorded | 0 | 54 | 2,166 |
| Busiest month | May | June | June |
By year
Seasonality
0Feb
2Mar
6Apr
7May
23Jun
18Jul
18Aug
17Sep
13Oct
5Nov
4Dec
1
Magnitude distribution
NWS wind thresholds
- under 58 mph
- below severe threshold
- 58–73 mph
- severe
- 74–95 mph
- hurricane-force
- 96 mph and over
- extreme
Wind speed converted from the knots NCEI records; estimated and measured gusts are combined. Events without a speed are not binned.
Recorded events
All 114 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 |
|---|---|---|---|---|---|---|---|
| 11 Jun 2026 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 18 May 2026 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 20 Apr 2025 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 13 Jun 2024 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 6 May 2023 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 6 May 2023 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 15 Apr 2023 | Thunderstorm Wind | 64 mph | — | — | — | — | County |
| 24 Oct 2021 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 23 Aug 2021 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 8 Aug 2021 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 10 Jul 2021 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 27 Nov 2019 | High Wind | 40 mph | — | — | — | — | Forecast zone |
| 22 May 2019 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 22 May 2019 | Thunderstorm Wind | 70 mph | — | — | — | — | County |
| 28 Jun 2018 | Thunderstorm Wind | 60 mph | $35K | — | — | — | County |
| 9 Jun 2018 | Thunderstorm Wind | 70 mph | $6K | — | — | — | County |
| 13 Jul 2016 | Thunderstorm Wind | 70 mph | $2K | — | — | — | County |
| 13 May 2016 | Thunderstorm Wind | 60 mph | $2K | — | — | — | County |
| 5 Sep 2014 | Thunderstorm Wind | 70 mph | $35K | — | — | — | County |
| 5 Sep 2014 | Thunderstorm Wind | 70 mph | $12K | — | — | — | County |
| 5 Sep 2014 | Thunderstorm Wind | 70 mph | $50K | — | — | — | County |
| 5 Sep 2014 | Thunderstorm Wind | 70 mph | $40K | — | — | — | County |
| 20 May 2013 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 20 May 2013 | Thunderstorm Wind | 60 mph | $14K | — | — | — | County |
| 20 May 2013 | Thunderstorm Wind | 60 mph | $6K | — | — | — | County |
| 20 May 2013 | Thunderstorm Wind | 60 mph | $6K | — | — | — | County |
| 25 Jun 2011 | Thunderstorm Wind | 60 mph | $10K | — | — | — | County |
| 25 May 2011 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 25 May 2011 | Thunderstorm Wind | 60 mph | $20K | — | — | — | County |
| 25 May 2011 | Thunderstorm Wind | 60 mph | $20K | — | — | — | County |
| 4 Aug 2010 | Thunderstorm Wind | 60 mph | $20K | — | — | — | County |
| 4 Aug 2010 | Thunderstorm Wind | 60 mph | $2K | — | — | — | County |
| 22 Jun 2010 | Thunderstorm Wind | 100 mph | $3.5M | — | — | — | County |
| 18 Jun 2010 | Thunderstorm Wind | 60 mph | $15K | — | — | — | County |
| 17 Aug 2009 | Thunderstorm Wind | 60 mph | $2K | — | — | — | County |
| 17 Aug 2009 | Thunderstorm Wind | 60 mph | $2K | — | — | — | County |
| 4 Aug 2009 | Thunderstorm Wind | 70 mph | $30K | — | — | — | County |
| 31 Mar 2008 | Thunderstorm Wind | 70 mph | $67K | — | — | — | County |
| 30 Sep 2007 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 26 May 2007 | Thunderstorm Wind | 58 mph | $3K | — | — | — | County |
| 2 Aug 2006 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 19 Jul 2006 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 11 Mar 2006 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 5 Nov 2005 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 19 Sep 2005 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 8 Sep 2005 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 19 Aug 2005 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 18 Aug 2005 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 29 Oct 2004 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 25 Aug 2004 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 30 May 2004 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 24 May 2004 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 26 Sep 2003 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 18 Jul 2003 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 18 Dec 2002 | Thunderstorm Wind | 69 mph | — | — | — | — | County |
| 22 Jul 2002 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 8 May 2002 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 19 Apr 2002 | Thunderstorm Wind | 63 mph | — | — | — | — | County |
| 2 Aug 2001 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 17 Jul 2001 | Thunderstorm Wind | 58 mph | — | — | — | — | County |
| 11 Sep 2000 | Thunderstorm Wind | — | — | — | — | — | County |
| 2 Aug 2000 | Thunderstorm Wind | — | — | — | — | — | County |
| 5 Jul 2000 | Thunderstorm Wind | — | — | — | — | — | County |
| 23 Jun 2000 | Thunderstorm Wind | — | — | — | — | — | County |
| 20 Jun 2000 | Thunderstorm Wind | — | — | — | — | — | County |
| 20 Apr 2000 | Thunderstorm Wind | 85 mph | $200K | — | — | — | County |
| 18 Aug 1999 | Thunderstorm Wind | — | — | — | — | — | County |
| 12 Aug 1999 | Thunderstorm Wind | 60 mph | $210K | $6.8M | — | — | County |
| 4 Jun 1999 | Thunderstorm Wind | — | — | — | — | — | County |
| 11 Feb 1999 | Thunderstorm Wind | — | — | — | — | — | County |
| 10 Nov 1998 | High Wind | — | — | — | — | — | Forecast zone |
| 29 Oct 1998 | Thunderstorm Wind | — | — | — | — | — | County |
| 22 Jul 1998 | Thunderstorm Wind | — | — | — | — | — | County |
| 29 Jun 1998 | Thunderstorm Wind | — | — | — | — | — | County |
| 22 Jun 1998 | Thunderstorm Wind | — | — | — | — | — | County |
| 18 Jun 1998 | Thunderstorm Wind | — | — | — | — | — | County |
| 24 May 1998 | Thunderstorm Wind | — | — | — | — | — | County |
| 27 Mar 1998 | Thunderstorm Wind | — | — | — | — | — | County |
| 29 Sep 1997 | High Wind | — | — | — | — | — | Forecast zone |
| 15 Aug 1997 | Thunderstorm Wind | — | — | — | — | — | County |
| 30 Apr 1997 | High Wind | — | — | — | — | — | Forecast zone |
| 6 Apr 1997 | High Wind | — | — | — | — | — | Forecast zone |
| 5 Apr 1997 | Thunderstorm Wind | — | — | — | — | — | County |
| 30 Oct 1996 | High Wind | — | — | — | — | — | Forecast zone |
| 25 Mar 1996 | High Wind | — | — | — | — | — | Forecast zone |
| 21 Jun 1995 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 21 Jun 1995 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 20 Jul 1994 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 2 Jul 1994 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 2 Jul 1994 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 2 Jul 1994 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 12 Jun 1994 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 28 Aug 1993 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 2 Jul 1992 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 2 Jul 1992 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 2 Jul 1992 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 8 May 1988 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 10 Sep 1984 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 30 May 1982 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 6 Sep 1980 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 5 Jul 1980 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 5 Jul 1980 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 26 Jul 1978 | Thunderstorm Wind | 60 mph | — | — | — | — | County |
| 28 Mar 1977 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 26 Mar 1976 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 10 Nov 1975 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 19 Jun 1974 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 19 Feb 1971 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 9 May 1970 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 15 May 1968 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 24 Oct 1967 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 8 Jun 1966 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 19 May 1964 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
| 29 Sep 1955 | Thunderstorm Wind | 0 mph | — | — | — | — | County |
Questions and answers
How many wind events has Cass County had?
114 events in the NCEI Storm Events record between 1950 and 2026. Reporting of damaging wind became far more complete after 1996, so early decades undercount.
When was the last recorded wind event in Cass County?
11 Jun 2026 (Thunderstorm Wind, 70 mph). Records reach NCEI about 120 days after the month ends.
What was the most damaging wind event recorded in Cass County?
The thunderstorm wind of 12 Aug 1999, with property damage estimated by NCEI at $210K and crop damage at $6.8M.
How does Cass County compare with Illinois for wind?
30.3 events per 100 square miles against 44.8 statewide; the county holds 114 of the state's 24,881 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 Wind hub and the county page.