Brown County, Wisconsin tornadoes

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31confirmed tornadoes since NOAA records began in 1950 (the first here in 1957). Most recent: August 11, 2021, EF0. 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.

The record

At a glance

Total311950 to 2025
Per year0.4average since 1950
Peak monthAugust10 of 31
StrongestF3Jun 26, 1969
Deaths0whole paths, see note
Injuries8whole paths, see note

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

Seasons

When tornadoes hit here

By month

100 Jan: 0Feb: 0Mar: 0Apr: 4May: 6Jun: 7Jul: 3Aug: 10Sep: 1Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

August is the peak month, with 10 of 31 tornadoes.

By time of day

40 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 0: 112 PM: 2: 4: 23 PM: 3: 2: 16 PM: 1: 3: 49 PM: 3: 1: 412 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 1:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

50 1950: 0: 0: 0: 0: 0: 0: 0: 1: 0: 41960: 0: 0: 1: 0: 1: 0: 0: 0: 1: 11970: 5: 0: 0: 0: 0: 0: 0: 1: 0: 11980: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01990: 0: 0: 2: 0: 0: 0: 0: 0: 0: 02000: 0: 0: 0: 0: 1: 2: 0: 0: 0: 02010: 1: 1: 0: 4: 0: 1: 0: 1: 0: 12020: 0: 1: 0: 0: 0: 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
13
EF1
13
EF2
4
EF3
1

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

Strongest

F3, June 26, 1969

15.3 mile path Longest path

33.1 miles, EF1

August 6, 2013, whole path Widest

800 yards, F2

April 22, 1970
Every tornado

All 31 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Aug 11, 2021EF02.27 mi75 yd00
Aug 7, 2019EF06.2 mi90 yd00
Jun 14, 2017EF01.21 mi50 yd00
Jun 15, 2015EF00.35 mi25 yd00
Aug 6, 2013EF110.59 mi100 yd00
Aug 6, 2013EF133.1 mi250 yd00
Aug 6, 2013EF119.15 mi175 yd00
Aug 6, 2013EF120.69 mi175 yd00
Apr 10, 2011EF11.2 mi75 yd00
Aug 20, 2010EF11.28 mi75 yd00
Sep 13, 2005F01.9 mi50 yd00
Aug 18, 2005F11 mi100 yd00
Jun 23, 2004F00.1 mi10 yd00
Jun 17, 1992F00.1 mi23 yd00
May 16, 1992F15 mi100 yd00
Aug 9, 1979F10.1 mi10 yd00
Jul 30, 1977F111.8 mi100 yd00
Jul 30, 1970F01 mi10 yd00
May 21, 1970F02 mi10 yd00
Apr 22, 1970F17.2 mi500 yd00
Apr 22, 1970F27.2 mi800 yd01
Apr 22, 1970F23.6 mi800 yd02
Jun 26, 1969F315.3 mi100 yd01
Aug 16, 1968F21 mi100 yd01
May 30, 1964F01 mi10 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 12, 2026.