Tornado History

Warren Tornado History

This county-level tornado history page focuses on Warren, Illinois. The records below identify 35 tornadoes from 1959 through 2025, including a highest listed rating of F2 (Considerable damage). NOAA damage estimates in this group total at least $2.5M, with 1 deaths and 1 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes35
Total Deaths1
Total Injuries1
Property Damage$2.5M
Avg Length3.6 mi
Avg Width83 yd

Key Tornado Facts for Warren, Illinois

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

Average 0.5 tornadoes per year (0.8/yr in last decade)
April is the peak tornado month with 11 recorded events
Deadliest tornado: F2 in Warren, Illinois with 1 deaths
1998 was the most active year with 7 tornadoes
The 1990s had the most tornado activity (14 events)
Longest tornado: 27.2 miles in Warren, Illinois
Widest tornado: 700.0 yards in Warren, Illinois
Most tornadoes in one day: 5 on Apr 7, 1998

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 Warren, Illinois, April is the most active month with 11 tornadoes.

Annual Tornado Trend

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

7530

Summary: 1998 was the most active year with 7 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
EF2
EFU

Summary: F0 tornadoes are the most common in this group, with 14 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.

$1.7M$165K$17K$0

Summary: The highest reported property damage year in this group is 2015 with at least $1.7M in NOAA-listed property damage.

Historical Track Sketch

EF2 July 16, 20152015F2 September 26, 19591959EF2 July 16, 20152015F2 April 18, 19631963F2 April 5, 19991999F1 May 10, 20032003EF1 March 15, 20162016F1 July 17, 19721972F1 April 7, 19981998F1 April 7, 19981998EF1 July 16, 20152015F1 July 17, 19681968EF1 December 23, 20152015EF1 March 14, 20242024EF1 June 3, 2025F0 May 27, 1995F0 June 13, 1975F0 June 29, 1998F0 April 7, 1998F0 May 18, 1982F0 May 9, 1996F0 May 18, 1997F0 April 30, 1997F0 April 7, 1998F0 April 7, 1998F0 June 18, 1998F0 April 8, 1999F0 April 22, 1999F0 July 17, 2001EF0 May 8, 2009EF0 May 9, 2016EF0 April 20, 2025EFU August 25, 2021EFU May 13, 2022EFU May 13, 2022© 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
July 16, 2015EF2Warren, Illinois5.95 mi700 yd01$1.5M
September 26, 1959F2Warren, Illinois4.9 mi300 yd10$250K
July 16, 2015EF2Warren, Illinois1.72 mi300 yd00$150K
April 18, 1963F2Warren, Illinois0 mi33 yd00$25K
April 5, 1999F2Warren, Illinois3 mi100 yd00$3K
May 10, 2003F1Warren, Illinois7.8 mi200 yd00$300K
March 15, 2016EF1Warren, Illinois6.4 mi400 yd00$200K
July 17, 1972F1Warren, Illinois27.2 mi33 yd00$25K
April 7, 1998F1Warren, Illinois0.5 mi1.2 yd00$8K
April 7, 1998F1Warren, Illinois0.1 mi1 yd00$3K
July 16, 2015EF1Warren, Illinois1.41 mi50 yd00$2K
July 17, 1968F1Warren, Illinois3.8 mi127 yd00$250
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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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