Rock County, Wisconsin tornado history

37 tornadoes recorded in or across Rock 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 Rock County

The Storm Prediction Center records 37 tornadoes whose paths touched Rock County, Wisconsin between 1955 and 2024. They killed 1 person and injured 49. The busiest month is May, with 9 tornadoes. The strongest was an F3 on 24 January 1967. The most recent was on 15 July 2024.

  • 37tornadoes
  • 1death
  • 49injuries
  • 515per 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 Rock County?

RatingTornadoesShare
F0 / EF01438%
F1 / EF11335%
F2 / EF2924%
F3 / EF313%
F4 / EF400%
F5 / EF500%
Unknown rating00%

Rock County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 10 in 2020s.1950s11960s71970s51980s21990s32000s52010s42020s10

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

Show the numbers
PeriodCount
1950s1
1960s7
1970s5
1980s2
1990s3
2000s5
2010s4
2020s10
Tornadoes by month
Bar chart of tornadoes by period. The most is 9 in May.Jan1Feb1Mar3Apr2May9Jun6Jul6Aug3Sep3Oct1Nov2Dec0
Show the numbers
PeriodCount
Jan1
Feb1
Mar3
Apr2
May9
Jun6
Jul6
Aug3
Sep3
Oct1
Nov2
Dec0

Records for Rock County

  • Deadliest and Longest path: Wisconsin tornado27 March 1991, F2, 1 death, 5 injuries, 32 miles long
  • Strongest: Wisconsin tornado24 January 1967, F3, 24.9 miles long
  • Most recent: Wisconsin tornado15 July 2024, EF0, 1.2 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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