Tornado History
Union Tornado History
This county-level tornado history page focuses on Union, Illinois. The records below identify 24 tornadoes from 1955 through 2025, including a highest listed rating of F3 (Severe damage). NOAA damage estimates in this group total at least $6.2M, with 1 deaths and 13 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Union, Illinois
Top local patterns from the historical tornado records in this group.
Average 0.3 tornadoes per year (0.5/yr in last decade)
May is the peak tornado month with 6 recorded events
Deadliest tornado: F3 in Union, Illinois with 1 deaths
2014 was the most active year with 3 tornadoes
The 2010s had the most tornado activity (7 events)
Longest tornado: 16.79 miles in Union, Illinois
Widest tornado: 400.0 yards in Union, Illinois
Most tornadoes in one day: 3 on Apr 3, 2014
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Union, Illinois, May is the most active month with 6 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 2014 was the most active year with 3 recorded tornadoes.
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.
Summary: The highest reported property damage year in this group is 2002 with at least $5.0M in NOAA-listed property damage.
Historical Track Sketch
This map covers the wider location—not your exact property.Measure the closest recorded track to a street address in or near Union, 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.
| Date | Rating | Area | Length | Width | Deaths | Injuries | Min. property damage |
|---|---|---|---|---|---|---|---|
| April 28, 2002 | F3 | Union, Illinois | 16 mi | 400 yd | 1 | 8 | $5.0M |
| May 21, 1957 | F3 | Union, Illinois | 8.5 mi | 200 yd | 0 | 0 | $250K |
| November 16, 1955 | F2 | Union, Illinois | 4.5 mi | 150 yd | 0 | 0 | $250K |
| February 29, 2012 | EF2 | Union, Illinois | 16.79 mi | 300 yd | 0 | 0 | $100K |
| April 14, 1972 | F2 | Union, Illinois | 3.3 mi | 30 yd | 0 | 4 | $25K |
| April 14, 1972 | F2 | Union, Illinois | 11.8 mi | 30 yd | 0 | 0 | $25K |
| February 16, 1976 | F2 | Union, Illinois | 1 mi | 33 yd | 0 | 1 | $25K |
| January 21, 1999 | F2 | Union, Illinois | 1 mi | 200 yd | 0 | 0 | $20K |
| May 25, 2011 | EF1 | Union, Illinois | 2 mi | 125 yd | 0 | 0 | $150K |
| January 11, 2020 | EF1 | Union, Illinois | 0.86 mi | 50 yd | 0 | 0 | $80K |
| May 20, 2025 | EF1 | Union, Illinois | 1.8 mi | 50 yd | 0 | 0 | $80K |
| May 31, 2018 | EF1 | Union, Illinois | 3.11 mi | 150 yd | 0 | 0 | $70K |
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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.