Calhoun County, Michigan tornadoes

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19confirmed tornadoes since NOAA records began in 1950 (the first here in 1955). Most recent: May 15, 2025, EF0. 2026 so far: 2 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 Calhoun County

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The record

At a glance

Total191950 to 2025
Per year0.3average since 1950
Peak monthMay5 of 19
StrongestF3Mar 27, 1991
Deaths0whole paths, see note
Injuries22whole paths, see note

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

Seasons

When tornadoes hit here

By month

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

May is the peak month, with 5 of 19 tornadoes.

By time of day

30 12 AM: 1: 0: 03 AM: 0: 0: 06 AM: 0: 0: 19 AM: 0: 0: 012 PM: 1: 0: 23 PM: 1: 2: 06 PM: 3: 1: 39 PM: 2: 1: 112 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

20 1950: 0: 0: 0: 0: 0: 1: 0: 0: 0: 01960: 0: 0: 0: 0: 1: 0: 0: 0: 0: 01970: 0: 0: 0: 0: 0: 0: 2: 0: 0: 01980: 1: 1: 1: 0: 1: 0: 2: 0: 0: 11990: 0: 1: 0: 0: 0: 0: 0: 0: 1: 02000: 0: 0: 1: 1: 0: 0: 0: 0: 0: 02010: 1: 0: 0: 0: 0: 0: 0: 0: 0: 02020: 0: 0: 0: 0: 1: 219501960197019801990200020102020

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: 2 preliminary reports.

By rating

EF0
4
EF1
12
EF2
2
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, March 27, 1991

2 mile path Longest path

64.6 miles, F2

May 28, 1955, whole path Widest

2,400 yards, F1

July 27, 2002
Every tornado

All 19 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
May 15, 2025EF08.5 mi200 yd00
May 15, 2025EF010.05 mi200 yd00
Feb 27, 2024EF15.79 mi300 yd00
Jun 5, 2010EF11.62 mi300 yd00
Jul 20, 2003F18 mi880 yd00
Jul 27, 2002F16 mi2,400 yd00
Jun 12, 1998F12.5 mi200 yd00
Mar 27, 1991F32 mi400 yd018
Aug 5, 1989F11.5 mi100 yd00
Sep 10, 1986F13.8 mi223 yd00
Jul 15, 1986F242.5 mi440 yd00
May 18, 1984F013 mi17 yd00
Jun 15, 1982F11.5 mi100 yd00
Apr 17, 1981F00.6 mi27 yd00
May 30, 1980F13.3 mi80 yd00
Apr 22, 1976F10.3 mi50 yd00
Mar 20, 1976F16.2 mi50 yd00
Aug 22, 1964F17.8 mi10 yd03
May 28, 1955F264.6 mi100 yd01
This year

2026 preliminary reports not yet confirmed

Report dateLocationRating
Mar 6, 20264 NE TekonshaNot yet rated
Mar 6, 20263 NW Union CityNot 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.