Calumet County, Wisconsin tornadoes

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24confirmed tornadoes since NOAA records began in 1950 (the first here in 1954). Most recent: August 28, 2018, 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 Calumet County

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The record

At a glance

Total241950 to 2025
Per year0.3average since 1950
Peak monthJune7 of 24
StrongestF2Aug 9, 1979
Deaths2whole paths, see note
Injuries13whole paths, see note

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

Seasons

When tornadoes hit here

By month

70 Jan: 0Feb: 0Mar: 1Apr: 2May: 4Jun: 7Jul: 5Aug: 5Sep: 0Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 7 of 24 tornadoes.

By time of day

50 12 AM: 1: 1: 03 AM: 0: 1: 06 AM: 0: 0: 09 AM: 0: 1: 012 PM: 1: 1: 13 PM: 2: 2: 26 PM: 5: 2: 19 PM: 1: 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

30 1950: 0: 0: 0: 0: 1: 0: 0: 0: 0: 01960: 0: 0: 0: 0: 1: 1: 0: 2: 0: 01970: 0: 0: 0: 1: 0: 0: 0: 0: 0: 11980: 0: 1: 0: 1: 0: 0: 0: 0: 0: 11990: 0: 0: 0: 0: 0: 0: 3: 0: 1: 02000: 0: 0: 0: 2: 0: 2: 1: 0: 0: 02010: 0: 2: 0: 1: 0: 0: 1: 0: 1: 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.

By rating

EF0
7
EF1
9
EF2
7
Unknown
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

F2, August 9, 1979

1 deaths, 0 injuries Strongest

F2, August 9, 1979

0.1 mile path Longest path

30.6 miles, F2

May 8, 1964, whole path Widest

200 yards, F2

July 18, 1996
Every tornado

All 24 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Aug 28, 2018EF10.98 mi75 yd00
Jun 15, 2016EFU0.69 mi25 yd00
Aug 6, 2013EF120.69 mi175 yd00
Aug 23, 2011EF00.5 mi100 yd00
Apr 10, 2011EF11.67 mi100 yd00
Jun 24, 2006F00.1 mi10 yd00
Jun 9, 2005F00.1 mi25 yd00
May 6, 2005F02.5 mi50 yd00
Aug 3, 2003F10.4 mi75 yd00
Jun 8, 2003F00.4 mi40 yd00
May 31, 1998F11.4 mi80 yd00
Jul 18, 1996F00.1 mi25 yd00
Jul 18, 1996F26.4 mi200 yd11
Jun 11, 1996F00.1 mi30 yd00
May 24, 1989F10.3 mi50 yd00
Jul 19, 1983F12 mi100 yd00
Apr 4, 1981F20.1 mi23 yd06
Aug 9, 1979F20.1 mi10 yd10
Mar 11, 1973F12 mi50 yd00
Jul 2, 1967F10.5 mi10 yd00
Jun 30, 1967F25.9 mi100 yd01
Jul 8, 1965F20.1 mi100 yd00
May 8, 1964F230.6 mi63 yd05
Jun 20, 1954F20.5 mi33 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.