Tornado History Map

Walworth County, Wisconsin tornado history

42 tornadoes recorded in or across Walworth County from 1955 to 2024, coloured by rating on the map.

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Years1950 to 2025
Rating (F or EF scale)

Shows tornadoes that started in, or crossed, the chosen state. To see how many have passed near you, search a town or ZIP code, or tap the map.

Key
  • F0 / EF0 Light damage
  • F1 / EF1 Moderate damage
  • F2 / EF2 Considerable damage
  • F3 / EF3 Severe damage
  • F4 / EF4 Devastating damage
  • F5 / EF5 Incredible damage
  • Unknown Not rated (2007 onwards)

How to read the lines. Each line is one tornado, drawn from where it started to where it ended, coloured and sized by its rating. A dot means the record has no end point. Tap a line for its details, or tap anywhere else to see how many tornadoes have passed nearby. Weaker tornadoes appear as you zoom in. Ratings use the Fujita (F) scale before 1 February 2007 and the Enhanced Fujita (EF) scale from then on.

Tornadoes in Walworth County

The Storm Prediction Center records 42 tornadoes whose paths touched Walworth County, Wisconsin between 1955 and 2024. None of them is recorded as having killed anyone. The busiest month is June, with 10 tornadoes. The strongest was an EF3 on 7 January 2008. The most recent was on 22 June 2024.

  • 42tornadoes
  • 0deaths
  • 20injuries
  • 756per 10,000 sq mi of land

A tornado that crossed several counties counts in each one, so county counts add up to more than the state's.

How strong were the tornadoes in Walworth County?

RatingTornadoesShare
F0 / EF01536%
F1 / EF11843%
F2 / EF2614%
F3 / EF325%
F4 / EF400%
F5 / EF500%
Unknown rating12%

Walworth County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 13 in 2020s.1950s31960s71970s51980s21990s62000s22010s42020s13

The 2020s only run to 2024, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s3
1960s7
1970s5
1980s2
1990s6
2000s2
2010s4
2020s13
Tornadoes by month
Bar chart of tornadoes by period. The most is 10 in Jun.Jan1Feb0Mar6Apr5May4Jun10Jul7Aug4Sep3Oct1Nov1Dec0
Show the numbers
PeriodCount
Jan1
Feb0
Mar6
Apr5
May4
Jun10
Jul7
Aug4
Sep3
Oct1
Nov1
Dec0

Records for Walworth County

  • Strongest: Wisconsin tornado7 January 2008, EF3, 15 injuries, 10.8 miles long
  • Longest path: Wisconsin tornado21 March 1966, F2, 1 injury, 33.1 miles long
  • Most recent: Wisconsin tornado22 June 2024, EF1, 6 miles long

Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.

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