Delaware County, Indiana tornadoes

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24confirmed tornadoes since NOAA records began in 1950 (the first here in 1954). Most recent: April 2, 2025, EF1. 2026 so far: 1 preliminary report 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 Delaware County

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The record

At a glance

Total241950 to 2025
Per year0.3average since 1950
Peak monthJune6 of 24
StrongestF4Apr 3, 1974
Deaths1whole paths, see note
Injuries14whole paths, see note

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

Seasons

When tornadoes hit here

By month

60 Jan: 0Feb: 2Mar: 1Apr: 5May: 4Jun: 6Jul: 0Aug: 1Sep: 2Oct: 0Nov: 3Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 6 of 24 tornadoes.

By time of day

60 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 1: 012 PM: 2: 0: 63 PM: 5: 2: 66 PM: 0: 0: 19 PM: 1: 0: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 2:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

20 1950: 0: 0: 0: 0: 1: 0: 0: 1: 0: 01960: 1: 2: 0: 2: 1: 1: 0: 0: 1: 01970: 0: 0: 0: 1: 1: 0: 0: 0: 0: 01980: 0: 0: 0: 0: 0: 0: 0: 0: 0: 11990: 0: 0: 1: 0: 0: 0: 0: 0: 0: 02000: 0: 0: 0: 2: 0: 0: 0: 0: 0: 12010: 1: 0: 0: 0: 0: 0: 1: 2: 0: 02020: 0: 0: 0: 0: 2: 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. This year so far: 1 preliminary reports.

By rating

EF0
5
EF1
10
EF2
6
EF3
2
EF4
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

F4, April 3, 1974

1 deaths, 12 injuries Strongest

F4, April 3, 1974

18 mile path Longest path

38.72 miles, EF2

November 5, 2017, whole path Widest

1,400 yards, F4

April 3, 1974
Every tornado

All 24 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Apr 2, 2025EF15.81 mi200 yd00
Sep 22, 2024EF00.07 mi10 yd00
Mar 14, 2024EF24.47 mi175 yd00
Nov 5, 2017EF10.09 mi100 yd00
Nov 5, 2017EF238.72 mi600 yd01
Jun 4, 2016EF00.02 mi40 yd00
Jun 6, 2010EF00.1 mi25 yd00
Feb 11, 2009EF10.11 mi100 yd00
Aug 1, 2003F11.2 mi50 yd00
May 1, 2003F00.1 mi10 yd00
Feb 15, 1992F11.8 mi50 yd00
Jun 3, 1989F10.5 mi30 yd00
Apr 3, 1974F418 mi1,400 yd112
Jun 26, 1973F112.4 mi80 yd00
Apr 14, 1968F20.1 mi10 yd00
Nov 26, 1965F30.5 mi10 yd00
Apr 14, 1964F10.1 mi10 yd00
Jun 10, 1963F10.1 mi10 yd00
May 27, 1963F10.8 mi10 yd00
Sep 24, 1961F338.6 mi10 yd01
May 24, 1961F00.1 mi10 yd00
May 19, 1960F20.1 mi10 yd00
Apr 5, 1957F20.1 mi10 yd00
Jun 17, 1954F20.1 mi10 yd00
This year

2026 preliminary reports not yet confirmed

Report dateLocationRating
Aug 19, 20264 NNW YorktownNot 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.