Tornado History

St. Clair Tornado History

This county-level tornado history page focuses on St. Clair, Illinois. The records below identify 56 tornadoes from 1952 through 2026, including a highest listed rating of F4 (Devastating damage). NOAA damage estimates in this group total at least $12.1M, with 12 deaths and 124 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes56
Total Deaths12
Total Injuries124
Property Damage$12.1M
Avg Length3.3 mi
Avg Width138 yd

Key Tornado Facts for St. Clair, Illinois

Top local patterns from the historical tornado records in this group.

Average 0.7 tornadoes per year (1.7/yr in last decade)
April is the peak tornado month with 17 recorded events
Deadliest tornado: F4 in St. Clair, Illinois with 6 deaths
2025 was the most active year with 5 tornadoes
The 2020s had the most tornado activity (15 events)
Longest tornado: 31.6 miles in St. Clair, Illinois
Widest tornado: 700.0 yards in St. Clair, Illinois
Most tornadoes in one day: 4 on Apr 15, 2023

Monthly Distribution

Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.

January
February
March
April
May
June
July
August
September
October
November
December

Summary: In St. Clair, Illinois, April is the most active month with 17 tornadoes.

Annual Tornado Trend

Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.

5420

Summary: 2025 was the most active year with 5 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
EF2
F3
F4
Unknown

Summary: F0 tornadoes are the most common in this group, with 12 recorded events.

Property Damage Trends

Visualizes reported property damage over time. Bars use a log-like scale so very large damage years do not flatten the rest of the chart.

$2.8M$275K$28K$0

Summary: The highest reported property damage year in this group is 1988 with at least $2.8M in NOAA-listed property damage.

Historical Track Sketch

F4 February 25, 19561956F3 November 15, 19881988F3 April 5, 19581958F3 May 15, 19681968F2 May 1, 19831983F2 March 20, 19761976F2 November 15, 19881988F2 September 15, 19561956F2 April 25, 19571957F2 September 24, 19611961F2 June 4, 19731973F2 June 10, 20032003F2 April 2, 20062006EF2 June 8, 20092009F1 July 4, 1992EF1 March 14, 2025F1 October 6, 1955EF1 March 14, 2025F1 May 24, 1952F1 October 6, 1955F1 June 1, 1958F1 May 31, 1958F1 June 24, 2000F1 April 27, 2002EF1 April 22, 2011EF1 October 13, 2014EF1 October 13, 2014EF1 April 15, 2023EF1 April 15, 2023EF1 March 11, 2026EF1 March 15, 2026EF1 April 27, 2026F0 April 3, 1984F0 November 26, 1990EF0 June 12, 2019EF0 May 19, 2022EF0 April 18, 2024EF0 April 19, 2025EF0 April 20, 2025F0 April 19, 1996F0 May 18, 1995EF0 May 26, 2024F0 May 25, 1984F0 May 10, 1991F0 May 11, 1991F0 April 15, 1998F0 April 15, 1998F0 June 10, 2003F0 June 10, 2003F0 July 21, 2006EF0 December 31, 2010EF0 June 13, 2016EF0 April 15, 2023EF0 April 15, 2023EF0 March 14, 2025Unknown August 3, 1967© OpenStreetMap contributors
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Notable Tornado Records

The table highlights the strongest and most damaging records in this page's local dataset. Damage totals are NOAA-reported minimum estimates where available.

DateRatingAreaLengthWidthDeathsInjuriesMin. property damage
February 25, 1956F4St. Clair, Illinois31.6 mi500 yd620$2.5M
November 15, 1988F3St. Clair, Illinois3 mi200 yd00$2.5M
May 15, 1968F3St. Clair, Illinois2 mi200 yd460$250K
April 5, 1958F3St. Clair, Illinois14.2 mi100 yd18$250K
May 1, 1983F2St. Clair, Illinois4 mi100 yd020$2.5M
March 20, 1976F2St. Clair, Illinois8.7 mi250 yd00$250K
November 15, 1988F2St. Clair, Illinois0.4 mi50 yd00$250K
September 15, 1956F2St. Clair, Illinois1 mi400 yd00$25K
April 25, 1957F2St. Clair, Illinois2 mi300 yd00$25K
September 24, 1961F2St. Clair, Illinois2.3 mi33 yd01$25K
April 2, 2006F2St. Clair, Illinois7 mi100 yd111N/A
June 4, 1973F2St. Clair, Illinois0 mi33 yd00N/A
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Source And Limits

Data sourced from NOAA Storm Prediction Center and the NCEI Storm Events Database. TornadoTrace summarizes reported weather events for screening and research; it is not a damage assessment, inspection, or insurance determination. Coordinates and records can be approximate, incomplete, revised, or missing. No warranty of completeness or accuracy.

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