Tornado History

Williamson Tornado History

This county-level tornado history page focuses on Williamson, Illinois. The records below identify 22 tornadoes from 1957 through 2025, including a highest listed rating of F4 (Devastating damage). NOAA damage estimates in this group total at least $303.9M, with 10 deaths and 214 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes22
Total Deaths10
Total Injuries214
Property Damage$303.9M
Avg Length5.4 mi
Avg Width175 yd

Key Tornado Facts for Williamson, Illinois

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

Average 0.3 tornadoes per year (1.1/yr in last decade)
April is the peak tornado month with 8 recorded events
Deadliest tornado: F4 in Williamson, Illinois with 10 deaths
2018 was the most active year with 4 tornadoes
The 2010s had the most tornado activity (9 events)
Longest tornado: 17 miles in Williamson, Illinois
Widest tornado: 900.0 yards in Williamson, Illinois
Most tornadoes in one day: 3 on Apr 3, 2018

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 Williamson, Illinois, April is the most active month with 8 tornadoes.

Annual Tornado Trend

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

4320

Summary: 2018 was the most active year with 4 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

EF0
F1
EF1
F2
EF2
F3
F4
EF4

Summary: EF1 tornadoes are the most common in this group, with 10 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.

$250.0M$25.0M$2.5M$0

Summary: The highest reported property damage year in this group is 1982 with at least $250.0M in NOAA-listed property damage.

Historical Track Sketch

F4 May 29, 19821982EF4 May 16, 20252025F4 December 18, 19571957F3 November 19, 19911991EF2 April 2, 20242024F2 June 2, 19731973EF2 February 29, 20122012EF1 April 3, 20182018EF1 April 2, 20242024F1 June 12, 19981998EF1 October 31, 20132013EF1 April 3, 20182018EF1 April 5, 20172017F1 April 3, 19681968F1 October 18, 2004EF1 April 3, 2014EF1 May 8, 2024EF1 April 3, 2018EF1 February 28, 2017EF1 May 8, 2009EF0 June 28, 2018EF0 May 8, 2024© OpenStreetMap contributors
This map covers the wider location—not your exact property.Measure the closest recorded track to a street address in or near Williamson, Illinois.
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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
May 29, 1982F4Williamson, Illinois17 mi400 yd10181$250.0M
May 16, 2025EF4Williamson, Illinois16.28 mi900 yd07$25.0M
December 18, 1957F4Williamson, Illinois4.5 mi300 yd010$2.5M
November 19, 1991F3Williamson, Illinois1.5 mi70 yd016$25.0M
April 2, 2024EF2Williamson, Illinois6.66 mi250 yd00$300K
June 2, 1973F2Williamson, Illinois0 mi33 yd00$250K
February 29, 2012EF2Williamson, Illinois14.91 mi300 yd00$100K
April 3, 2018EF1Williamson, Illinois9.98 mi125 yd00$250K
April 2, 2024EF1Williamson, Illinois6.21 mi250 yd00$130K
June 12, 1998F1Williamson, Illinois2 mi100 yd00$100K
October 31, 2013EF1Williamson, Illinois6.43 mi175 yd00$40K
April 3, 2018EF1Williamson, Illinois1.93 mi150 yd00$40K
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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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