Tornado History

Jo Daviess Tornado History

This county-level tornado history page focuses on Jo Daviess, Illinois. The records below identify 18 tornadoes from 1956 through 2026, including a highest listed rating of F2 (Considerable damage). NOAA damage estimates in this group total at least $525K, with 0 deaths and 0 injuries recorded across the listed events.

Key Tornado Statistics

Total Tornadoes18
Total Deaths0
Total Injuries0
Property Damage$525K
Avg Length3.5 mi
Avg Width116 yd

Key Tornado Facts for Jo Daviess, Illinois

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

Average 0.3 tornadoes per year (0.7/yr in last decade)
July is the peak tornado month with 6 recorded events
Deadliest tornado: F1 in Jo Daviess, Illinois with 0 deaths
2024 was the most active year with 3 tornadoes
The 2020s had the most tornado activity (6 events)
Longest tornado: 17.66 miles in Jo Daviess, Illinois
Widest tornado: 500.0 yards in Jo Daviess, Illinois
Most tornadoes in one day: 3 on Jul 15, 2024

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 Jo Daviess, Illinois, July 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.

3210

Summary: 2024 was the most active year with 3 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
EF2
EFU

Summary: EF0 tornadoes are the most common in this group, with 5 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.

$250K$25K$2K$0

Summary: The highest reported property damage year in this group is 1966 with at least $250K in NOAA-listed property damage.

Historical Track Sketch

F2 June 11, 19671967F2 September 9, 19701970EF2 July 15, 20242024F1 July 9, 19661966F1 May 16, 19561956EF1 August 16, 20172017EF1 July 15, 20242024EF1 July 15, 20242024EF1 April 17, 20262026F0 June 20, 19741974F0 May 16, 19991999EF0 June 1, 20072007EF0 June 1, 20072007EF0 July 27, 20112011EF0 July 27, 2011EF0 June 12, 2013EFU May 23, 2020EFU March 31, 2023© OpenStreetMap contributors
This map covers the wider location—not your exact property.Measure the closest recorded track to a street address in or near Jo Daviess, 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
June 11, 1967F2Jo Daviess, Illinois4.3 mi500 yd00$250K
September 9, 1970F2Jo Daviess, Illinois7.7 mi70 yd00$250
July 15, 2024EF2Jo Daviess, Illinois9.08 mi150 yd00N/A
July 9, 1966F1Jo Daviess, Illinois1.9 mi400 yd00$250K
May 16, 1956F1Jo Daviess, Illinois3.3 mi80 yd00$25K
August 16, 2017EF1Jo Daviess, Illinois0.54 mi60 yd00N/A
July 15, 2024EF1Jo Daviess, Illinois17.66 mi100 yd00N/A
July 15, 2024EF1Jo Daviess, Illinois8.07 mi50 yd00N/A
April 17, 2026EF1Jo Daviess, Illinois3.7 mi100 yd00N/A
June 20, 1974F0Jo Daviess, Illinois0 mi33 yd00N/A
May 16, 1999F0Jo Daviess, Illinois0.1 mi10 yd00N/A
June 1, 2007EF0Jo Daviess, Illinois0.01 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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