Lenawee County, Michigan tornadoes

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33confirmed tornadoes since NOAA records began in 1950 (the first here in 1954). Most recent: June 20, 2021, 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 Lenawee County

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The record

At a glance

Total331950 to 2025
Per year0.4average since 1950
Peak monthJune10 of 33
StrongestF4Apr 11, 1965
Deaths44whole paths, see note
Injuries600whole paths, see note

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

Seasons

When tornadoes hit here

By month

100 Jan: 0Feb: 0Mar: 2Apr: 7May: 6Jun: 10Jul: 2Aug: 6Sep: 0Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 10 of 33 tornadoes.

By time of day

70 12 AM: 1: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 1: 0: 012 PM: 2: 4: 13 PM: 0: 7: 36 PM: 4: 3: 19 PM: 1: 0: 512 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 4:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

30 1950: 0: 0: 0: 0: 1: 0: 1: 0: 1: 01960: 0: 0: 1: 0: 2: 2: 0: 0: 0: 01970: 0: 0: 1: 2: 2: 0: 2: 0: 0: 21980: 0: 0: 1: 3: 0: 1: 1: 2: 2: 01990: 0: 0: 0: 0: 1: 0: 0: 0: 1: 12000: 0: 0: 0: 0: 0: 0: 1: 0: 0: 02010: 1: 0: 0: 0: 0: 0: 0: 0: 0: 02020: 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
11
EF1
12
EF2
7
EF3
1
EF4
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

F4, April 11, 1965

23 deaths, 294 injuries Strongest

F4, April 11, 1965

90.3 mile path Longest path

90.3 miles, F4

April 11, 1965, whole path Widest

1,760 yards, F4

April 11, 1965
Every tornado

All 33 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jun 20, 2021EF12.69 mi125 yd00
Jun 5, 2010EF12.48 mi250 yd00
Jun 21, 2006F02.2 mi100 yd00
May 23, 1999F14.9 min/a00
Mar 28, 1998F10.5 mi30 yd00
Jun 20, 1994F00.5 mi20 yd00
May 15, 1988F00.2 mi10 yd01
Apr 3, 1988F01 mi30 yd00
Jul 31, 1987F03.5 mi20 yd00
Jun 29, 1987F10.8 mi147 yd00
Jul 15, 1986F00.2 mi13 yd00
May 27, 1985F14.9 mi80 yd00
May 1, 1983F22 mi100 yd00
May 1, 1983F25.9 mi500 yd00
May 1, 1983F21.9 mi400 yd00
Apr 12, 1982F00.1 mi13 yd00
Aug 29, 1979F10.3 mi50 yd00
Jun 20, 1979F20.6 mi27 yd00
Jun 24, 1976F11 mi50 yd00
Mar 12, 1976F20.1 mi83 yd00
Apr 3, 1974F29.9 mi10 yd05
Apr 3, 1974F25.4 mi167 yd05
Jun 26, 1973F00.1 mi10 yd00
Jun 16, 1973F12.5 mi50 yd00
Aug 18, 1972F00.1 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 13, 2026.