Tornado History
Johnson Tornado History
This county-level tornado history page focuses on Johnson, Illinois. The records below identify 21 tornadoes from 1957 through 2025, including a highest listed rating of EF3 (Severe damage). NOAA damage estimates in this group total at least $5.7M, with 0 deaths and 14 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Johnson, Illinois
Top local patterns from the historical tornado records in this group.
Average 0.3 tornadoes per year (0.3/yr in last decade)
May is the peak tornado month with 6 recorded events
Deadliest tornado: F2 in Johnson, Illinois with 0 deaths
2004 was the most active year with 3 tornadoes
The 2000s had the most tornado activity (7 events)
Longest tornado: 15.63 miles in Johnson, Illinois
Widest tornado: 400.0 yards in Johnson, Illinois
Most tornadoes in one day: 3 on Oct 18, 2004
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Johnson, 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: 2004 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 $3.1M 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 Johnson, 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 |
|---|---|---|---|---|---|---|---|
| May 26, 2024 | EF3 | Johnson, Illinois | 4.87 mi | 300 yd | 0 | 1 | $750K |
| April 28, 2002 | F2 | Johnson, Illinois | 3 mi | 400 yd | 0 | 2 | $3.0M |
| March 15, 2025 | EF2 | Johnson, Illinois | 15.63 mi | 150 yd | 0 | 0 | $1.0M |
| October 18, 2004 | F2 | Johnson, Illinois | 4.3 mi | 250 yd | 0 | 2 | $500K |
| April 28, 2002 | F2 | Johnson, Illinois | 7 mi | 400 yd | 0 | 2 | $100K |
| December 18, 1957 | F2 | Johnson, Illinois | 0.1 mi | 33 yd | 0 | 0 | $25K |
| April 14, 1972 | F2 | Johnson, Illinois | 4.9 mi | 30 yd | 0 | 5 | $25K |
| April 14, 1972 | F2 | Johnson, Illinois | 10.9 mi | 30 yd | 0 | 0 | $25K |
| June 22, 1974 | F2 | Johnson, Illinois | 0 mi | 33 yd | 0 | 0 | N/A |
| May 25, 2011 | EF1 | Johnson, Illinois | 8.07 mi | 200 yd | 0 | 0 | $75K |
| April 13, 1998 | F1 | Johnson, Illinois | 1 mi | 40 yd | 0 | 1 | $60K |
| October 18, 2004 | F1 | Johnson, Illinois | 8 mi | 100 yd | 0 | 0 | $50K |
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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.