Humboldt County, Iowa tornadoes

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27confirmed tornadoes since NOAA records began in 1950 (the first here in 1953). Most recent: June 26, 2025, EF0. 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.

The record

At a glance

Total271950 to 2025
Per year0.4average since 1950
Peak monthJune12 of 27
StrongestF3Jun 7, 1953
Deaths0whole paths, see note
Injuries16whole paths, see note

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

Seasons

When tornadoes hit here

By month

120 Jan: 0Feb: 0Mar: 0Apr: 4May: 5Jun: 12Jul: 2Aug: 2Sep: 0Oct: 0Nov: 0Dec: 2JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 12 of 27 tornadoes.

By time of day

90 12 AM: 1: 0: 03 AM: 0: 0: 16 AM: 0: 0: 09 AM: 1: 0: 112 PM: 0: 1: 13 PM: 0: 4: 96 PM: 4: 2: 19 PM: 1: 0: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 5:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

30 1950: 0: 0: 0: 1: 0: 0: 1: 0: 0: 01960: 0: 0: 0: 0: 0: 1: 0: 0: 0: 01970: 0: 0: 0: 0: 1: 0: 0: 0: 0: 11980: 1: 1: 1: 0: 1: 0: 0: 0: 0: 11990: 0: 1: 0: 0: 1: 0: 0: 0: 0: 12000: 0: 0: 0: 1: 2: 0: 0: 0: 1: 02010: 1: 0: 0: 0: 1: 0: 1: 0: 0: 12020: 0: 3: 2: 0: 0: 119501960197019801990200020102020

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
10
EF1
8
EF2
5
EF3
1
Unknown
3

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, June 7, 1953

30.7 mile path Longest path

30.7 miles, F3

June 7, 1953, whole path Widest

880 yards, F2

May 21, 2004
Every tornado

All 27 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jun 26, 2025EF02.06 mi20 yd00
Apr 12, 2022EF24.85 mi250 yd00
Apr 12, 2022EF13.34 mi300 yd00
Dec 15, 2021EF14.23 mi80 yd00
Dec 15, 2021EFU7.1 mi80 yd00
Aug 20, 2021EFU2.16 mi60 yd00
May 29, 2019EFU0.54 mi30 yd00
Jul 27, 2016EF00.68 mi30 yd00
Jun 16, 2014EF04.61 mi50 yd00
Jun 22, 2010EF00.95 mi35 yd00
Jun 15, 2008EF01.66 mi50 yd00
Aug 26, 2004F00.5 mi50 yd00
May 21, 2004F212.5 mi880 yd015
Jul 20, 2003F00.1 mi25 yd00
Jun 8, 1999F00.1 min/a00
Jun 18, 1994F00.1 mi20 yd00
Apr 29, 1991F10.1 mi17 yd00
Apr 22, 1989F00.2 mi33 yd00
Jun 7, 1984F222 mi150 yd00
May 4, 1982F10.1 mi10 yd00
Jun 12, 1981F20.1 mi10 yd01
Jun 13, 1980F10.1 mi20 yd00
Jun 28, 1979F120.3 mi300 yd00
Jun 9, 1974F12 mi100 yd00
May 15, 1965F20.5 mi100 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 12, 2026.