Tornado History Map

Grant County, Wisconsin tornado history

67 tornadoes recorded in or across Grant County from 1954 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 Grant County

The Storm Prediction Center records 67 tornadoes whose paths touched Grant County, Wisconsin between 1954 and 2024. They killed 2 people and injured 37. The busiest month is June, with 26 tornadoes. The strongest was an F3 on 30 May 1985. The most recent was on 15 July 2024.

  • 67tornadoes
  • 2deaths
  • 37injuries
  • 584per 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 Grant County?

RatingTornadoesShare
F0 / EF02233%
F1 / EF12842%
F2 / EF21319%
F3 / EF346%
F4 / EF400%
F5 / EF500%
Unknown rating00%

Grant County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 13 in 1980s.1950s31960s71970s121980s131990s102000s102010s72020s5

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
1970s12
1980s13
1990s10
2000s10
2010s7
2020s5
Tornadoes by month
Bar chart of tornadoes by period. The most is 26 in Jun.Jan0Feb0Mar2Apr3May19Jun26Jul5Aug5Sep6Oct1Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar2
Apr3
May19
Jun26
Jul5
Aug5
Sep6
Oct1
Nov0
Dec0

Records for Grant County

  • Deadliest and Strongest: Volga, Iowa tornado30 May 1985, F3, 2 deaths, 27 injuries, 34 miles long
  • Longest path: Wisconsin tornado5 June 1980, F2, 70.2 miles long
  • Most recent: Wisconsin tornado15 July 2024, EF1, 0.3 miles long

Notable tornadoes in Grant County

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

More in Wisconsin

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