Tornado History
Dubuque Tornado History
This county-level tornado history page focuses on Dubuque, Iowa. The records below identify 33 tornadoes from 1958 through 2026, including a highest listed rating of F4 (Devastating damage). NOAA damage estimates in this group total at least $28.9M, with 0 deaths and 1 injuries recorded across the listed events.
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Key Tornado Statistics
Key Tornado Facts for Dubuque, Iowa
Top local patterns from the historical tornado records in this group.
Average 0.5 tornadoes per year (1.0/yr in last decade)
June is the peak tornado month with 7 recorded events
Deadliest tornado: F1 in Dubuque, Iowa with 0 deaths
1970 was the most active year with 3 tornadoes
The 2020s had the most tornado activity (7 events)
Longest tornado: 14.5 miles in Dubuque, Iowa
Widest tornado: 400.0 yards in Dubuque, Iowa
Most tornadoes in one day: 2 on Sep 9, 1970
Monthly Distribution
Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.
Summary: In Dubuque, Iowa, June is the most active month with 7 tornadoes.
Annual Tornado Trend
Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.
Summary: 1970 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 1990 with at least $25.0M 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 Dubuque, Iowa.
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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 |
|---|---|---|---|---|---|---|---|
| March 13, 1990 | F4 | Dubuque, Iowa | 1 mi | 200 yd | 0 | 0 | $25.0M |
| September 9, 1970 | F3 | Dubuque, Iowa | 4.7 mi | 300 yd | 0 | 0 | N/A |
| April 30, 1967 | F2 | Dubuque, Iowa | 2 mi | 400 yd | 0 | 0 | $250K |
| September 9, 1970 | F2 | Dubuque, Iowa | 1 mi | 100 yd | 0 | 0 | $250K |
| March 27, 1991 | F2 | Dubuque, Iowa | 1 mi | 100 yd | 0 | 1 | $250K |
| July 29, 1958 | F2 | Dubuque, Iowa | 14.5 mi | 200 yd | 0 | 0 | $25K |
| August 26, 1965 | F2 | Dubuque, Iowa | 0.5 mi | 100 yd | 0 | 0 | $25K |
| July 9, 1966 | F2 | Dubuque, Iowa | 0 mi | 250 yd | 0 | 0 | $25K |
| June 29, 1969 | F2 | Dubuque, Iowa | 0 mi | 200 yd | 0 | 0 | $25K |
| May 8, 1988 | F1 | Dubuque, Iowa | 11 mi | 43 yd | 0 | 0 | $2.5M |
| June 2, 1980 | F1 | Dubuque, Iowa | 3.6 mi | 50 yd | 0 | 0 | $250K |
| May 25, 2008 | EF1 | Dubuque, Iowa | 1.53 mi | 250 yd | 0 | 0 | $250K |
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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.