Henry County, Iowa tornadoes

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20confirmed tornadoes since NOAA records began in 1950 (the first here in 1957). Most recent: April 16, 2024, EF2. 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 Henry County

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The record

At a glance

Total201950 to 2025
Per year0.3average since 1950
Peak monthMay7 of 20
StrongestF3May 9, 1959
Deaths0whole paths, see note
Injuries4whole paths, see note

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

Seasons

When tornadoes hit here

By month

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

May is the peak month, with 7 of 20 tornadoes.

By time of day

40 12 AM: 1: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 0: 212 PM: 2: 2: 13 PM: 4: 1: 06 PM: 4: 2: 09 PM: 1: 0: 012 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

20 1950: 0: 0: 0: 0: 0: 0: 0: 1: 0: 11960: 1: 0: 0: 0: 0: 0: 0: 1: 0: 01970: 1: 0: 0: 1: 0: 0: 0: 2: 0: 01980: 1: 0: 0: 1: 0: 0: 0: 0: 0: 01990: 0: 0: 0: 0: 0: 0: 0: 0: 0: 12000: 0: 0: 0: 1: 0: 0: 0: 0: 1: 02010: 0: 0: 1: 0: 0: 2: 0: 1: 2: 02020: 0: 0: 0: 0: 1: 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
5
EF1
11
EF2
3
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, May 9, 1959

17.8 mile path Longest path

41.66 miles, EF2

April 16, 2024, whole path Widest

600 yards, EF2

April 16, 2024
Every tornado

All 20 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Apr 16, 2024EF241.66 mi600 yd00
Sep 25, 2018EF11.05 mi200 yd00
Sep 25, 2018EF00.27 mi20 yd00
May 10, 2017EF02.77 mi50 yd00
Jul 16, 2015EF01.51 mi10 yd00
Jun 20, 2015EF13.45 mi75 yd02
May 3, 2012EF26.73 mi440 yd00
Apr 25, 2008EF11.3 mi20 yd00
May 10, 2003F127.9 mi200 yd00
Jun 12, 1999F00.1 mi10 yd00
Jun 29, 1983F10.1 mi10 yd00
Jul 5, 1980F10.1 mi40 yd00
May 4, 1977F10.1 mi20 yd00
May 4, 1977F20.1 mi30 yd01
Apr 21, 1973F11 mi150 yd00
Jun 12, 1970F11 mi50 yd00
Jan 24, 1967F00.1 mi150 yd00
Apr 16, 1960F115.8 mi500 yd00
May 9, 1959F317.8 mi250 yd01
May 13, 1957F16.8 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.