Jefferson County, Wisconsin tornadoes

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50confirmed tornadoes since NOAA records began in 1950 (the first here in 1965). Most recent: June 22, 2024, EF1. 2026 so far: 0 preliminary reports preliminary

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Map

Every tornado path in the county

Tornado paths, 1950 to 2025
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(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated

Each path is a straight line from where the tornado started to where it ended, which is all most NOAA records hold. Tap a path for its details.

Recent warnings

Recent warnings in Jefferson County

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The record

At a glance

Total501950 to 2025
Per year0.7average since 1950
Peak monthJune13 of 50
StrongestF3Aug 18, 2005
Deaths5whole paths, see note
Injuries65whole paths, see note

Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond Jefferson County.

Seasons

When tornadoes hit here

By month

130 Jan: 0Feb: 1Mar: 3Apr: 1May: 3Jun: 13Jul: 13Aug: 9Sep: 2Oct: 5Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 13 of 50 tornadoes.

By time of day

100 12 AM: 4: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 3: 012 PM: 0: 4: 23 PM: 3: 8: 46 PM: 10: 4: 49 PM: 2: 0: 212 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 6:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

70 1950: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01960: 0: 0: 0: 0: 0: 1: 0: 1: 0: 01970: 0: 2: 2: 0: 1: 0: 0: 0: 0: 11980: 2: 1: 0: 0: 0: 0: 2: 0: 1: 01990: 0: 1: 0: 0: 0: 0: 0: 1: 0: 12000: 0: 0: 1: 0: 2: 7: 0: 0: 1: 02010: 5: 0: 0: 0: 0: 0: 0: 0: 0: 22020: 0: 4: 3: 3: 5: 019501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones.

By rating

EF0
22
EF1
19
EF2
7
EF3
2

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

The record

Notable tornadoes

Deadliest

F2, April 11, 1965

3 deaths, 28 injuries Strongest

F3, August 18, 2005

18.6 mile path Longest path

34 miles, F1

July 14, 1972, whole path Widest

1,320 yards, F2

April 11, 1965
Every tornado

All 50 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jun 22, 2024EF12.05 mi150 yd00
Jun 22, 2024EF14.5 mi300 yd00
May 26, 2024EF05.55 mi30 yd00
May 26, 2024EF014.36 mi50 yd00
Feb 8, 2024EF225.9 mi750 yd01
Jul 28, 2023EF11.27 mi90 yd00
Mar 31, 2023EF12.79 mi50 yd00
Mar 31, 2023EF01.45 mi75 yd00
Oct 12, 2022EF00.79 mi25 yd00
Oct 12, 2022EF00.44 mi25 yd00
Oct 12, 2022EF00.48 mi25 yd00
Jul 29, 2021EF14.67 mi150 yd00
Jul 29, 2021EF03.6 mi25 yd00
Jul 29, 2021EF17.69 mi200 yd00
Jul 29, 2021EF05.95 mi100 yd00
Oct 1, 2019EF112.83 mi100 yd00
Oct 1, 2019EF07.14 mi80 yd00
Jul 22, 2010EF03.9 mi75 yd00
Jul 22, 2010EF02.77 mi75 yd00
Jul 22, 2010EF00.1 mi30 yd00
Jul 22, 2010EF05.74 mi30 yd00
Jun 21, 2010EF11.32 mi100 yd00
Jun 7, 2008EF00.14 mi50 yd00
Aug 18, 2005F00.2 mi50 yd00
Aug 18, 2005F13 mi75 yd00
Nearby

Nearby counties

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 13, 2026.