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Tornado in De Witt County, Illinois
25 tornadoes events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Tornado.
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.
De Witt County, Illinois, has 25 tornado events in the NCEI record since 1950, with at least one in 17 different years.
April is the busiest month, with 8 of the recorded events. The last 20 years account for 5 events against 14 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 0.7% of the 3,647 tornado events recorded in Illinois; its 6.3 per 100 square miles compares with 6.6 statewide.
NCEI attributes 4 deaths in the county to tornadoes.
By rating: 12 at (E)F0, 10 at (E)F1, 2 at (E)F2, 0 at (E)F3, 1 at (E)F4, 0 at (E)F5. Tornadoes before 2007 carry the original Fujita rating.
Compared with Illinois
| Measure | De Witt County | Illinois | US |
|---|---|---|---|
| Tornado events since 1950 | 25 | 3,647 | 81,281 |
| Per 100 square miles | 6.3 | 6.6 | 2.3 |
| Per 10,000 residents | 16.3 | 2.9 | 2.4 |
| Deaths recorded | 4 | 236 | 6,410 |
| Busiest month | April | April | May |
By year
Seasonality
0Feb
0Mar
1Apr
8May
6Jun
6Jul
0Aug
4Sep
0Oct
0Nov
0Dec
0
Magnitude distribution
Enhanced Fujita scale wind estimates
- EF0/F0
- 65–85 mph (EF0)
- EF1/F1
- 86–110 mph (EF1)
- EF2/F2
- 111–135 mph (EF2)
- EF3/F3
- 136–165 mph (EF3)
- EF4/F4
- 166–200 mph (EF4)
- EF5/F5
- over 200 mph (EF5)
- Unrated
- no rating recorded
Tornado rating as recorded (Fujita scale before February 2007, Enhanced Fujita after).
Recorded events
All 25 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 |
|---|---|---|---|---|---|---|---|
| 18 Jun 2025 | Tornado | EF1 | — | — | — | — | County |
| 2 Apr 2025 | Tornado | EF0 | — | — | — | — | County |
| 29 Jun 2023 | Tornado | EF1 | — | — | — | — | County |
| 5 Jun 2010 | Tornado | EF0 | $90K | — | — | — | County |
| 19 Aug 2009 | Tornado | EF0 | $10K | $8K | — | — | County |
| 2 Apr 2006 | Tornado | F0 | — | — | — | — | County |
| 12 Mar 2006 | Tornado | F1 | — | — | — | — | County |
| 11 Jun 2003 | Tornado | F0 | — | — | — | — | County |
| 11 Jun 2003 | Tornado | F0 | — | — | — | — | County |
| 30 May 2003 | Tornado | F2 | $9.3M | — | — | 4 | County |
| 30 May 2003 | Tornado | F1 | — | — | — | — | County |
| 28 May 2003 | Tornado | F0 | — | — | — | — | County |
| 4 Apr 2003 | Tornado | F0 | — | — | — | — | County |
| 4 Apr 2003 | Tornado | F0 | — | — | — | — | County |
| 18 Aug 2001 | Tornado | F0 | — | — | — | — | County |
| 9 May 1995 | Tornado | F1 | $150K | — | — | — | County |
| 16 Aug 1993 | Tornado | F0 | — | — | — | — | County |
| 29 Apr 1991 | Tornado | F0 | — | — | — | — | County |
| 11 Apr 1987 | Tornado | F1 | $250K | — | — | — | County |
| 30 Apr 1986 | Tornado | F1 | $25K | — | — | — | County |
| 8 Jun 1981 | Tornado | F1 | $25K | — | — | — | County |
| 5 May 1977 | Tornado | F4 | $2.5M | — | — | — | County |
| 15 May 1968 | Tornado | F1 | $2.5M | — | 4 | 50 | County |
| 3 Apr 1956 | Tornado | F2 | $25K | — | — | — | County |
| 21 Aug 1955 | Tornado | F1 | $25K | — | — | — | County |
Questions and answers
How many tornado events has De Witt County had?
25 events in the NCEI Storm Events record between 1950 and 2026. Reporting of tornadoes became far more complete after 1996, so early decades undercount.
When was the last recorded tornado event in De Witt County?
18 Jun 2025 (Tornado, EF1). Records reach NCEI about 120 days after the month ends.
What was the most damaging tornado event recorded in De Witt County?
The tornado of 30 May 2003, with property damage estimated by NCEI at $9.3M.
How does De Witt County compare with Illinois for tornado?
6.3 events per 100 square miles against 6.6 statewide; the county holds 25 of the state's 3,647 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 Tornado hub and the county page.