VORTEX
TORNADO HISTORY
← All Cities

Defiance, OH Tornado History — 67 Tornadoes Since 1950

Ohio · 25-mile radius · NOAA Storm Prediction Center

How many tornadoes has Defiance, OH had?

Defiance has had 67 tornadoes on record within 25 miles since 1950, including 5 strong to violent (EF3+) tornadoes.

When was the most recent tornado near Defiance?

The most recent tornado within 25 miles of Defiance was an EF1 on April 2, 2025.

When is tornado season in Defiance?

June is historically the peak month for tornadoes near Defiance, with 19 on record. April through June account for 36 of the 67 tornadoes on record near Defiance.

At a Glance

Tornadoes Since 1950
67
Within search radius
Violent (EF3+)
5
7.5% of total
Peak Month
June
19 on record
Per Year Avg
0.9
Across 76 years

Recent Tornado Activity Near Defiance

The last 20 years of confirmed tornadoes within 25 miles — 30 total, averaging 1.5 per year over this window.

2026 0+2 prelim
2025 2
2024 4
2023 3
2022 0
2021 0
2020 0
2019 1
2018 0
2017 0
2016 8
2015 0
2014 0
2013 7
2012 0
2011 0
2010 3
2009 1
2008 1
2007 0

Striped bars mark preliminary reports not yet confirmed by NWS survey — excluded from the confirmed counts.

Preliminary tornado reports near Defiance since December 29, 2025

These are 2 preliminary reports, not confirmed tornadoes. They have not yet been through an NWS damage survey, and are not counted in the confirmed totals above.

Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete. Ratings are omitted until a survey assigns one.

Confirmed records above are complete through December 29, 2025. NOAA publishes the confirmed archive annually, so tornadoes after that date appear here first and move into the totals above once finalized.

Preliminary EF1° April 4, 2026
2 SW Defiance, Defiance County, OH
A NWS damage assessment determined that an EF-1 rain-wrapped tornado was embedded in a line of severe thunderstorms that went through Defiance during the afternoon of A (IWX)
Preliminary EF1° March 31, 2026
2 SE Hicksville, Defiance County, OH
A brief tornado (EF1)... embedded within a large swath of damaging straight line winds associated with a bookend vortex... touched down southeast of Hicksville... OH. T (IWX)

Within 25 miles of Defiance. Quoted text is the report narrative exactly as filed. Source: NOAA Storm Prediction Center preliminary storm reports, updated daily.

What storm spotters reported near Defiance

One local storm report has been filed within 25 miles of Defiance and since confirmed into the NOAA archive, the earliest on April 2, 2025 and the most recent on April 2, 2025. It is already counted in the Defiance totals above; quoted below is the narrative the reporting office filed at the time.

April 3, 2025
1 NE Mandale, Paulding County, OH
A second tornado spun up north of the decaying Van Wert tornado... touching down in far southeast Paulding County. The tornado severely damaged a pole barn as it moved (IWX)

Source: National Weather Service and trained-spotter local storm reports, relayed by the NOAA Storm Prediction Center.

Tornadoes by Decade

1950s 4
1960s 4
1970s 13
1980s 7
1990s 6
2000s 5
2010s 19
2020s 9

Tornadoes by Enhanced Fujita Rating

F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.

EF0 25
EF1 22
EF2 14
EF3 3
EF4 2
Unrated 1

Tornadoes by Month

Jan 0
Feb 0
Mar 3
Apr 7
May 10
Jun 19
Jul 10
Aug 11
Sep 1
Oct 3
Nov 3
Dec 0

Casualties on Record Near Defiance

22 fatalities have been recorded within 25 miles of Defiance since 1950, across 3 events. 415 injuries have been reported across all events. 1953 was the deadliest year on record near Defiance.

The deadliest single event was an F4 on June 8, 1953, which caused 17 fatalities along a 118.0-mile track.

Notable Tornadoes Near Defiance

Deadliest Tornado
F4 on June 8, 1953 — 17 fatalities, 118.0 mi path, 100 yd wide.
Costliest Tornado
F2 on July 12, 1992 — est. ~$2.8M (NOAA damage class, pre-1996 estimate).
Widest Tornado
F4 on November 10, 2002 — 880 yards wide.
Longest Path
F4 on June 8, 1953 — 118.0 mile track.
Most Recent
EF1 on April 2, 2025.

What the record shows near Defiance

The 2010s were the busiest decade near Defiance, with 19 of the 67 confirmed tornadoes within 25 miles; the 2020s have produced 9 so far. The Defiance record runs from the 1950s to today.

Of the tornadoes rated near Defiance, 47 reached EF0 or EF1 and 19 reached EF2 or stronger. The most intense on record near Defiance is rated EF4, of which 2 are logged. A further 1 near Defiance is unrated — events NOAA logged before a damage survey assigned a scale.

Across the last 20 years Defiance has averaged 1.5 confirmed tornadoes a year within 25 miles, 30 in total. 2016 was the busiest of them with 8, and 11 of those years passed with none at all.

Frequently Asked Questions

How many tornadoes has Defiance, OH had?
Since 1950, 67 tornadoes have been recorded within 25 miles of Defiance. Data source: NOAA Storm Prediction Center.
What was the deadliest tornado near Defiance?
The deadliest tornado on record within 25 miles of Defiance was an F4 on June 8, 1953, which caused 17 fatalities.
When is tornado season in Defiance?
June is historically the peak month for tornadoes near Defiance, with 19 tornadoes on record. Tornadoes can occur any time of year, but spring months (April–June) generally see the highest activity across most of the central and southern United States.
Has Defiance been hit by an EF4 or EF5 tornado?
Within 25 miles of Defiance, there have been 0 EF5 and 2 EF4 tornadoes recorded since 1950. EF4 and EF5 tornadoes are the most destructive ratings on the Enhanced Fujita scale, with winds above 166 mph.
When was the most recent tornado near Defiance?
The most recent tornado within 25 miles of Defiance was an EF1 on April 2, 2025.
How do I get tornado warnings for Defiance?
Vortex delivers real-time tornado warnings, severe thunderstorm alerts, and SPC outlook updates for any US location via push notification and phone call. Alerts are sourced directly from the National Weather Service and updated within seconds of issuance.

Official Resources

More Cities in Ohio