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Wilmington, DE Tornado History — 90 Tornadoes Since 1950

Delaware · 25-mile radius · NOAA Storm Prediction Center

How many tornadoes has Wilmington, DE had?

Wilmington has had 90 tornadoes on record within 25 miles since 1950, including 4 strong to violent (EF3+) tornadoes.

When was the most recent tornado near Wilmington?

The most recent tornado within 25 miles of Wilmington was an EF1 on August 8, 2024.

When is tornado season in Wilmington?

July is historically the peak month for tornadoes near Wilmington, with 20 on record. April through June account for 23 of the 90 tornadoes on record near Wilmington.

At a Glance

Tornadoes Since 1950
90
Within search radius
Violent (EF3+)
4
4.4% of total
Peak Month
July
20 on record
Per Year Avg
1.2
Across 76 years

Recent Tornado Activity Near Wilmington

The last 20 years of confirmed tornadoes within 25 miles — 16 total, averaging 0.8 per year over this window.

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

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

Preliminary tornado reports near Wilmington since December 29, 2025

This is a preliminary report, not confirmed tornadoes. It has not yet been through an NWS damage survey, and is 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Preliminary reports are revised, merged, and sometimes withdrawn — historically about 23% are consolidated downward once surveys complete.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 August 20, 2026
East Caln Twp, Chester County, PA
A brief tornado occurred in East Caln Township. The first damage was noted just south of the intersection of East Lancaster Avenue and Quarry Road... where several smal (PHI)

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

Tornadoes by Decade

1950s 3
1960s 8
1970s 16
1980s 14
1990s 27
2000s 6
2010s 7
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 20
EF1 48
EF2 18
EF3 4

Tornadoes by Month

Jan 1
Feb 1
Mar 6
Apr 6
May 6
Jun 11
Jul 20
Aug 15
Sep 13
Oct 4
Nov 7
Dec 0

Casualties on Record Near Wilmington

3 fatalities have been recorded within 25 miles of Wilmington since 1950, across 3 events. 92 injuries have been reported across all events. 1993 was the deadliest year on record near Wilmington.

The deadliest single event was an F3 on March 22, 1955, which caused 1 fatality along a 9.6-mile track.

Notable Tornadoes Near Wilmington

Deadliest Tornado
F3 on March 22, 1955 — 1 fatality, 9.6 mi path, 600 yd wide.
Costliest Tornado
F2 on July 13, 1975 — est. ~$27.5M (NOAA damage class, pre-1996 estimate).
Widest Tornado
F3 on March 22, 1955 — 600 yards wide.
Longest Path
F1 on March 10, 1964 — 59.1 mile track.
Most Recent
EF1 on August 8, 2024.

What the record shows near Wilmington

The 1990s were the busiest decade near Wilmington, with 27 of the 90 confirmed tornadoes within 25 miles; the 2020s have produced 9 so far. The Wilmington record runs from the 1950s to today.

Of the tornadoes rated near Wilmington, 68 reached EF0 or EF1 and 22 reached EF2 or stronger. The most intense on record near Wilmington is rated EF3, of which 4 are logged.

Across the last 20 years Wilmington has averaged 0.8 confirmed tornadoes a year within 25 miles, 16 in total. 2019 was the busiest of them with 3, and 12 of those years passed with none at all.

Frequently Asked Questions

How many tornadoes has Wilmington, DE had?
Since 1950, 90 tornadoes have been recorded within 25 miles of Wilmington. Data source: NOAA Storm Prediction Center.
What was the deadliest tornado near Wilmington?
The deadliest tornado on record within 25 miles of Wilmington was an F3 on March 22, 1955, which caused 1 fatality.
When is tornado season in Wilmington?
July is historically the peak month for tornadoes near Wilmington, with 20 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.
When was the most recent tornado near Wilmington?
The most recent tornado within 25 miles of Wilmington was an EF1 on August 8, 2024.
How do I get tornado warnings for Wilmington?
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

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