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South Windsor, CT Tornado History — 64 Tornadoes Since 1950

Connecticut · 25-mile radius · NOAA Storm Prediction Center

How many tornadoes has South Windsor, CT had?

South Windsor has had 64 tornadoes on record within 25 miles since 1950, including 5 strong to violent (EF3+) tornadoes.

When was the most recent tornado near South Windsor?

The most recent tornado within 25 miles of South Windsor was an EF0 on June 21, 2024.

When is tornado season in South Windsor?

July is historically the peak month for tornadoes near South Windsor, with 17 on record. April through June account for 23 of the 64 tornadoes on record near South Windsor.

At a Glance

Tornadoes Since 1950
64
Within search radius
Violent (EF3+)
5
7.8% of total
Peak Month
July
17 on record
Per Year Avg
0.8
Across 76 years

Recent Tornado Activity Near South Windsor

The last 20 years of confirmed tornadoes within 25 miles — 19 total, averaging 0.9 per year over this window.

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

Tornadoes by Decade

1950s 16
1960s 8
1970s 14
1980s 1
1990s 4
2000s 4
2010s 13
2020s 4

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 15
EF1 31
EF2 12
EF3 4
EF4 1
Unrated 1

Tornadoes by Month

Jan 0
Feb 0
Mar 0
Apr 1
May 7
Jun 15
Jul 17
Aug 11
Sep 8
Oct 4
Nov 1
Dec 0

Casualties on Record Near South Windsor

7 fatalities have been recorded within 25 miles of South Windsor since 1950, across 3 events. 774 injuries have been reported across all events. 2011 was the deadliest year on record near South Windsor.

The deadliest single event was an F4 on October 3, 1979, which caused 3 fatalities along a 11.3-mile track.

Notable Tornadoes Near South Windsor

Deadliest Tornado
F4 on October 3, 1979 — 3 fatalities, 11.3 mi path, 1,400 yd wide.
Costliest Tornado
F4 on October 3, 1979 — est. ~$275.0M (NOAA damage class, pre-1996 estimate).
Widest Tornado
F4 on October 3, 1979 — 1,400 yards wide.
Longest Path
F2 on August 21, 1951 — 43.9 mile track.
Most Recent
EF0 on June 21, 2024.

What the record shows near South Windsor

The 1950s were the busiest decade near South Windsor, with 16 of the 64 confirmed tornadoes within 25 miles; the 2020s have produced 4 so far. The South Windsor record runs from the 1950s to today.

Of the tornadoes rated near South Windsor, 46 reached EF0 or EF1 and 17 reached EF2 or stronger. The most intense on record near South Windsor is rated EF4, of which 1 is logged. A further 1 near South Windsor is unrated — events NOAA logged before a damage survey assigned a scale.

Across the last 20 years South Windsor has averaged 0.9 confirmed tornadoes a year within 25 miles, 19 in total. 2010 was the busiest of them with 3, and 10 of those years passed with none at all.

Frequently Asked Questions

How many tornadoes has South Windsor, CT had?
Since 1950, 64 tornadoes have been recorded within 25 miles of South Windsor. Data source: NOAA Storm Prediction Center.
What was the deadliest tornado near South Windsor?
The deadliest tornado on record within 25 miles of South Windsor was an F4 on October 3, 1979, which caused 3 fatalities.
When is tornado season in South Windsor?
July is historically the peak month for tornadoes near South Windsor, with 17 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 South Windsor been hit by an EF4 or EF5 tornado?
Within 25 miles of South Windsor, there has been 0 EF5 and 1 EF4 tornado 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 South Windsor?
The most recent tornado within 25 miles of South Windsor was an EF0 on June 21, 2024.
How do I get tornado warnings for South Windsor?
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

NWS Local Forecast Office — South Windsor forecast ↗Storm Prediction Center — Current severe weather outlook ↗NWS Connecticut alerts feed ↗FEMA — Connecticut disaster declarations ↗

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Data source: NOAA Storm Prediction Center. Coverage 1950–present. Last updated August 27, 2026.