Connecticut tornadoes

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127 confirmed tornadoes since 1950. Most recent: June 21, 2024, EF0. 2026 so far: 0 preliminary reports preliminary

Counties with the most tornadoes

County	Tornadoes since 1950	Per 1,000 sq mi
Litchfield County	38	n/a
New Haven County	20	n/a
Hartford County	19	n/a
Fairfield County	17	n/a
Tolland County	15	n/a
Windham County	11	n/a
Middlesex County	8	n/a
New London County	3	n/a

When tornadoes hit here

By month

July is the peak month, with 36 of 127 tornadoes.

By time of day

Most often around 4:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

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

EF1

EF2

EF3

EF4

Unknown

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.

Notable tornadoes

Deadliest

Most recent tornadoes

Tornadoes, newest first
Date	Rating	Path length	Width	Deaths	Injuries
Jun 21, 2024	EF0	2 mi	250 yd	0	0
Sep 13, 2023	EF1	1.61 mi	70 yd	0	0
Aug 18, 2023	EF1	2.7 mi	200 yd	0	0
Aug 12, 2023	EF0	0.75 mi	30 yd	0	0
Jul 28, 2022	EF0	5 mi	300 yd	0	0
Nov 13, 2021	EF1	1.36 mi	100 yd	0	0
Nov 13, 2021	EF0	6.13 mi	100 yd	0	0
Nov 13, 2021	EF0	1.94 mi	300 yd	0	0
Nov 13, 2021	EF0	3.57 mi	100 yd	0	0
Sep 9, 2021	EF0	0.75 mi	75 yd	0	0
Aug 19, 2021	EF0	4.64 mi	50 yd	0	0
Jul 18, 2021	EF0	1.9 mi	75 yd	0	0
Apr 21, 2021	EF0	1 mi	30 yd	0	0
Aug 27, 2020	EF1	11.1 mi	500 yd	0	0
Aug 27, 2020	EF0	0.06 mi	20 yd	0	0
Aug 27, 2020	EF0	0.51 mi	75 yd	0	0
Aug 4, 2020	EF0	0.03 mi	25 yd	0	0
Aug 2, 2020	EF0	0.5 mi	100 yd	0	0
Aug 2, 2020	EF1	1.7 mi	100 yd	0	0
Aug 2, 2020	EF0	0.25 mi	30 yd	0	0
Sep 4, 2019	EF1	3.2 mi	50 yd	0	0
Oct 29, 2018	EF0	2.33 mi	100 yd	0	0
Oct 2, 2018	EF0	0.4 mi	30 yd	0	0
Oct 2, 2018	EF1	3.76 mi	100 yd	0	0
Aug 4, 2018	EF0	5.24 mi	8 yd	0	0
Jul 17, 2018	EF0	0.43 mi	225 yd	0	0
May 15, 2018	EF1	7.36 mi	600 yd	0	0
May 15, 2018	EF1	3.67 mi	400 yd	0	0
May 15, 2018	EFU	0.39 mi	100 yd	0	0
May 15, 2018	EF1	0.68 mi	175 yd	0	0
Aug 10, 2016	EF0	2.69 mi	50 yd	0	0
Jul 27, 2014	EF0	0.72 mi	100 yd	0	0
Jul 10, 2013	EF1	10.87 mi	100 yd	0	0
Jul 1, 2013	EF0	0.86 mi	50 yd	0	0
Jul 1, 2013	EF1	2.07 mi	200 yd	0	0
Jul 1, 2013	EF0	3.7 mi	150 yd	0	0
Jun 9, 2011	EF1	0.04 mi	30 yd	0	0
Jul 21, 2010	EF1	1.73 mi	25 yd	0	0
Jul 21, 2010	EF1	0.57 mi	50 yd	0	0
Jul 21, 2010	EF1	0.36 mi	50 yd	0	0
Jul 21, 2010	EF1	0.16 mi	50 yd	0	0
Jul 21, 2010	EF1	0.16 mi	100 yd	0	0
Jun 24, 2010	EF1	0.16 mi	100 yd	0	3
Jul 31, 2009	EF1	2.94 mi	100 yd	0	0
Jul 31, 2009	EF1	0.86 mi	100 yd	0	0
Jun 26, 2009	EF1	1.7 mi	40 yd	0	0
May 28, 2007	EF0	0.13 mi	20 yd	0	0
May 16, 2007	EF1	4.5 mi	100 yd	0	0
Jul 12, 2006	F2	10.1 mi	300 yd	0	6
Jun 16, 2002	F0	0.2 mi	25 yd	0	0
Jun 5, 2002	F1	0.1 mi	50 yd	0	0
May 31, 2002	F0	0.2 mi	10 yd	0	0
May 31, 2002	F1	0.5 mi	75 yd	0	0
Jul 1, 2001	F0	10 mi	10 yd	0	0
Jun 23, 2001	F0	0.3 mi	80 yd	0	0
Jun 23, 2001	F2	0.5 mi	200 yd	0	0
Jun 23, 2001	F1	1 mi	50 yd	0	1
Aug 16, 2000	F1	1.5 mi	40 yd	0	0
Jun 30, 1998	F0	0.1 mi	30 yd	0	0
Jun 30, 1998	F1	0.1 mi	30 yd	0	0
Jun 30, 1998	F1	0.1 mi	30 yd	0	0
May 31, 1998	F1	0.3 mi	30 yd	0	0
Jul 9, 1996	F1	0.4 mi	67 yd	0	0
Jul 3, 1996	F1	0.5 mi	100 yd	0	0
Jul 23, 1995	F0	0.5 mi	17 yd	0	0
May 29, 1995	F1	2 mi	73 yd	0	0
Jun 29, 1994	F0	0.5 mi	50 yd	0	0
Jul 10, 1993	F0	0.1 mi	13 yd	0	0
Aug 4, 1992	F0	1.2 mi	10 yd	0	0
Aug 4, 1992	F1	0.2 mi	10 yd	0	0
Jul 14, 1992	F1	0.2 mi	40 yd	0	0
Jul 5, 1992	F0	0.3 mi	20 yd	0	0
Jun 29, 1990	F0	0.2 mi	10 yd	0	7
Jul 10, 1989	F4	3 mi	100 yd	0	40
Jul 10, 1989	F2	5 mi	100 yd	0	70
Jul 10, 1989	F2	10 mi	73 yd	0	4
Aug 26, 1985	F1	1.5 mi	100 yd	0	0
Jun 24, 1985	F1	10 mi	100 yd	0	0
Jul 5, 1984	F2	3 mi	200 yd	0	0
Aug 1, 1983	F0	0.2 mi	20 yd	0	0
Jul 28, 1982	F1	2.5 mi	150 yd	0	0
Oct 3, 1979	F4	11.3 mi	1,400 yd	3	500
Jun 30, 1976	F2	1 mi	100 yd	0	0
Jul 20, 1975	F1	0.3 mi	30 yd	0	0
Jun 19, 1975	F1	5.1 mi	10 yd	0	0
Jul 3, 1974	F1	5.1 mi	40 yd	0	0
Jun 27, 1974	F1	0.5 mi	100 yd	0	0
Sep 18, 1973	F1	0.1 mi	10 yd	0	0
Sep 18, 1973	F1	0.1 mi	10 yd	0	0
Sep 18, 1973	F2	0.1 mi	117 yd	0	0
Sep 6, 1973	F2	3.3 mi	10 yd	0	0
Aug 31, 1973	F2	0.1 mi	10 yd	0	0
Jun 29, 1973	F1	1.3 mi	77 yd	0	0
Jun 28, 1973	F1	0.2 mi	23 yd	0	1
Jun 12, 1973	F2	1.5 mi	23 yd	0	0
Aug 9, 1972	F1	2 mi	10 yd	0	0
Aug 7, 1972	F1	9.3 mi	150 yd	0	0
Jul 21, 1972	F1	1 mi	50 yd	0	0
Jul 29, 1971	F3	0.1 mi	200 yd	0	2
Jul 19, 1971	F2	1.5 mi	10 yd	0	0

Every Connecticut county

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025. A tornado that crossed a state line counts in each state it touched.