Fond du Lac County, Wisconsin tornadoes

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58confirmed tornadoes since NOAA records began in 1950 (the first here in 1954). Most recent: August 28, 2018, EF0. 2026 so far: 1 preliminary report 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 Fond du Lac County

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The record

At a glance

Total581950 to 2025
Per year0.8average since 1950
Peak monthAugust17 of 58
StrongestF5Jul 18, 1996
Deaths4whole paths, see note
Injuries80whole paths, see note

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

Seasons

When tornadoes hit here

By month

170 Jan: 0Feb: 0Mar: 1Apr: 4May: 6Jun: 15Jul: 11Aug: 17Sep: 3Oct: 1Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

August is the peak month, with 17 of 58 tornadoes.

By time of day

150 12 AM: 0: 1: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 1: 012 PM: 3: 3: 63 PM: 15: 4: 46 PM: 8: 2: 69 PM: 3: 1: 112 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 3:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

110 1950: 0: 0: 0: 0: 1: 0: 0: 0: 0: 01960: 1: 1: 1: 0: 2: 1: 0: 1: 1: 01970: 0: 0: 1: 1: 3: 0: 0: 1: 0: 11980: 2: 1: 0: 1: 1: 1: 1: 0: 0: 11990: 1: 0: 0: 1: 0: 0: 6: 0: 0: 02000: 1: 0: 3: 2: 3: 1: 1: 0: 0: 02010: 0: 2: 0: 0: 0: 0: 1: 1: 11: 02020: 0: 0: 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. This year so far: 1 preliminary reports.

By rating

EF0
18
EF1
22
EF2
11
EF3
5
EF4
1
EF5
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

Deadliest

F3, April 21, 1974

2 deaths, 18 injuries Strongest

F5, July 18, 1996

13.3 mile path Longest path

69.5 miles, F3

June 5, 1977, whole path Widest

1,000 yards, F2

June 8, 1993
Every tornado

All 58 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Aug 28, 2018EF00.04 mi80 yd00
Aug 28, 2018EF14.01 mi100 yd00
Aug 28, 2018EF14.47 mi90 yd00
Aug 28, 2018EF12.83 mi100 yd00
Aug 28, 2018EF10.15 mi80 yd00
Aug 28, 2018EF23.91 mi150 yd00
Aug 28, 2018EF10.92 mi100 yd00
Aug 28, 2018EF00.14 mi50 yd00
Aug 28, 2018EF14.44 mi100 yd00
Aug 28, 2018EF00.62 mi50 yd00
Aug 28, 2018EF14.57 mi175 yd00
Jun 12, 2017EF02.13 mi50 yd00
May 27, 2016EF14.5 mi330 yd00
Jun 21, 2011EF10.87 mi100 yd00
Jun 21, 2011EF12.61 mi150 yd00
Jul 3, 2006F00.1 mi10 yd00
May 6, 2005F00.2 mi50 yd00
Jun 23, 2004F17.6 mi150 yd00
Jun 23, 2004F37.6 mi300 yd11
Jun 23, 2004F333.3 mi400 yd00
Jul 6, 2003F10.8 mi40 yd00
Jun 8, 2003F030 mi1 yd00
Sep 2, 2002F10.3 mi75 yd00
Sep 2, 2002F00.1 mi30 yd00
Aug 21, 2002F00.6 mi30 yd00
This year

2026 preliminary reports not yet confirmed

Report dateLocationRating
Jun 10, 20263 SSE EdenNot yet rated

Preliminary reports from the Storm Prediction Center. One tornado can be reported more than once, and NOAA confirms the final record months later.

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.