Tornado History

Sangamon Tornado History

This county-level tornado history page focuses on Sangamon, Illinois. The records below identify 87 tornadoes from 1954 through 2025, including a highest listed rating of F4 (Devastating damage). NOAA damage estimates in this group total at least $25.6M, with 3 deaths and 102 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes87
Total Deaths3
Total Injuries102
Property Damage$25.6M
Avg Length4.0 mi
Avg Width129 yd

Key Tornado Facts for Sangamon, Illinois

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

Average 1.2 tornadoes per year (1.6/yr in last decade)
August is the peak tornado month with 23 recorded events
Deadliest tornado: F4 in Sangamon, Illinois with 2 deaths
1977 was the most active year with 17 tornadoes
The 2000s had the most tornado activity (27 events)
Longest tornado: 33.5 miles in Sangamon, Illinois
Widest tornado: 880.0 yards in Sangamon, Illinois
Most tornadoes in one day: 17 on Aug 6, 1977

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 Sangamon, Illinois, August is the most active month with 23 tornadoes.

Annual Tornado Trend

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

171260

Summary: 1977 was the most active year with 17 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
EF2
F3
EF3
F4
Unknown
EFU

Summary: F0 tornadoes are the most common in this group, with 26 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.

$15.8M$1.6M$158K$0

Summary: The highest reported property damage year in this group is 2009 with at least $15.8M in NOAA-listed property damage.

Historical Track Sketch

F4 June 14, 19571957EF3 August 19, 20092009F3 August 6, 19771977F3 April 22, 19631963EF2 August 19, 20092009F2 June 23, 19601960F2 July 10, 19801980F2 May 8, 19881988F2 April 2, 19641964F2 August 14, 19751975F2 May 26, 19621962F2 August 6, 19771977F2 March 12, 20062006F2 March 12, 20062006F2 March 12, 2006EF2 June 29, 2023EF2 March 31, 2023EF2 March 31, 2023EF1 February 20, 2014EF1 March 8, 2009EF1 July 21, 2020EF1 March 15, 2016F1 March 12, 1954F1 May 14, 1961F1 November 29, 1975F1 August 6, 1977EF1 December 1, 2018EF1 August 19, 2009EF1 May 30, 2008F1 August 6, 1977F1 June 2, 1990F1 June 20, 1990F1 May 13, 1957F1 August 6, 1977F1 August 6, 1977F1 August 6, 1977F1 August 6, 1977F1 August 6, 1977F1 August 6, 1977F1 August 6, 1977F1 May 24, 2004F1 April 2, 2006F1 April 2, 2006F1 April 2, 2006F1 April 2, 2006F1 April 2, 2006F1 April 2, 2006F1 March 12, 2006EF1 May 22, 2019EF1 August 6, 2023EF1 June 18, 2025F0 April 19, 1996F0 June 29, 1998EF0 April 28, 2020EF0 February 20, 2014F0 July 14, 1985EF0 July 15, 2020F0 June 20, 2000F0 June 16, 1973F0 August 6, 1977F0 August 6, 1977F0 August 6, 1977F0 August 6, 1977F0 August 6, 1977F0 August 6, 1977F0 June 8, 1981F0 May 16, 1986F0 May 16, 1986F0 May 27, 1996F0 June 29, 1998F0 April 8, 1999F0 May 12, 2000F0 April 20, 2000F0 May 9, 2003F0 June 11, 2003F0 June 11, 2003F0 March 19, 2003F0 May 23, 2004F0 August 26, 2004F0 April 2, 2006© 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
June 14, 1957F4Sangamon, Illinois4.3 mi220 yd250$2.5M
August 19, 2009EF3Sangamon, Illinois4.37 mi600 yd017$11.0M
August 6, 1977F3Sangamon, Illinois4.1 mi100 yd00$2.5M
April 22, 1963F3Sangamon, Illinois33.5 mi33 yd15$250K
August 19, 2009EF2Sangamon, Illinois16.37 mi440 yd03$4.0M
June 23, 1960F2Sangamon, Illinois23.1 mi100 yd00$250K
July 10, 1980F2Sangamon, Illinois1.5 mi17 yd00$250K
May 8, 1988F2Sangamon, Illinois0.1 mi50 yd00$250K
April 2, 1964F2Sangamon, Illinois4.5 mi77 yd00$25K
August 14, 1975F2Sangamon, Illinois1 mi30 yd00$25K
May 26, 1962F2Sangamon, Illinois0 mi33 yd00$2K
August 6, 1977F2Sangamon, Illinois2.3 mi350 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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