Massachusetts tornadoes

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200 confirmed tornadoes since 1950. Most recent: September 6, 2025, EF0. 2026 so far: 0 preliminary reports preliminary

Counties with the most tornadoes

County	Tornadoes since 1950	Per 1,000 sq mi
Worcester County	54	36
Franklin County	26	37
Middlesex County	21	26
Hampden County	20	32
Berkshire County	19	20
Norfolk County	15	38
Bristol County	14	25
Essex County	14	28
Plymouth County	11	17
Hampshire County	10	19
Barnstable County	8	20
Dukes County	2	19
Suffolk County	1	17
Nantucket County	0	0

When tornadoes hit here

By month

July is the peak month, with 66 of 200 tornadoes.

By time of day

Most often around 2:00 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

100

EF2

EF3

EF4

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
Sep 6, 2025	EF0	2.38 mi	100 yd	0	0
Sep 6, 2025	EF0	0.6 mi	150 yd	0	0
Sep 6, 2025	EF0	0.15 mi	100 yd	0	0
Sep 6, 2025	EF0	0.13 mi	100 yd	0	0
Sep 6, 2025	EF0	0.17 mi	50 yd	0	0
Jun 26, 2024	EF1	0.55 mi	50 yd	0	0
Jun 26, 2024	EF1	8.6 mi	100 yd	0	0
Sep 13, 2023	EF0	0.07 mi	70 yd	0	0
Aug 18, 2023	EF1	0.35 mi	100 yd	0	0
Aug 18, 2023	EF0	0.1 mi	35 yd	0	0
Aug 18, 2023	EF1	7.6 mi	80 yd	0	0
Aug 8, 2023	EF0	1.2 mi	650 yd	0	0
Aug 8, 2023	EF1	0.9 mi	300 yd	0	0
Jul 29, 2023	EF1	0.16 mi	25 yd	0	0
Jul 16, 2023	EF0	2.02 mi	250 yd	0	0
Sep 1, 2021	EF0	0.1 mi	15 yd	0	0
Aug 23, 2021	EF0	0.1 mi	50 yd	0	0
Aug 23, 2021	EF0	0.1 mi	50 yd	0	0
Aug 23, 2021	EF0	0.75 mi	10 yd	0	0
Aug 19, 2021	EF0	0.54 mi	35 yd	0	0
Aug 19, 2021	EF0	4.64 mi	50 yd	0	0
Oct 7, 2020	EF0	0.53 mi	50 yd	0	0
Aug 2, 2020	EF0	8.39 mi	100 yd	0	0
Jul 23, 2019	EF1	2.77 mi	250 yd	0	0
Jul 23, 2019	EF1	0.25 mi	50 yd	0	0
Jul 23, 2019	EF1	5.52 mi	250 yd	0	0
Oct 29, 2018	EF0	0.1 mi	10 yd	0	0
Oct 23, 2018	EF0	1 mi	100 yd	0	0
Oct 23, 2018	EF1	0.8 mi	170 yd	0	0
Oct 23, 2018	EF1	0.8 mi	350 yd	0	0
Aug 4, 2018	EF1	0.47 mi	300 yd	0	1
Jul 26, 2018	EF1	1.04 mi	100 yd	0	0
Jul 26, 2018	EF1	4.4 mi	200 yd	0	0
Feb 25, 2017	EF1	4.64 mi	200 yd	0	1
Feb 25, 2017	EF1	2.9 mi	100 yd	0	0
Aug 22, 2016	EF1	0.85 mi	400 yd	0	0
Jun 23, 2015	EF0	0.52 mi	75 yd	0	0
Jun 23, 2015	EF0	0.48 mi	200 yd	0	0
Aug 31, 2014	EF0	2.06 mi	176 yd	0	0
Jul 28, 2014	EF2	1.93 mi	660 yd	0	2
Jul 27, 2014	EF1	0.25 mi	20 yd	0	0
Sep 1, 2013	EF0	0.05 mi	10 yd	0	0
May 9, 2013	EF0	0.38 mi	50 yd	0	0
Jul 24, 2012	EF0	0.03 mi	15 yd	0	0
Jun 1, 2011	EF0	1.42 mi	25 yd	0	0
Jun 1, 2011	EF1	1.69 mi	100 yd	0	0
Jun 1, 2011	EF1	4.16 mi	200 yd	0	0
Jun 1, 2011	EF3	37.58 mi	880 yd	3	200
Jul 23, 2008	EF1	4.28 mi	40 yd	0	0
Jul 19, 2007	EF0	1.5 mi	50 yd	0	0
Jul 11, 2006	F2	2.9 mi	200 yd	0	0
Jun 29, 2005	F0	0.1 mi	50 yd	0	0
Aug 21, 2004	F1	6 mi	40 yd	0	0
Aug 20, 2004	F0	1 mi	150 yd	0	0
Jul 23, 2002	F1	0.4 mi	75 yd	0	0
Jun 30, 2001	F0	0.1 mi	80 yd	0	0
Jun 17, 2001	F1	0.8 mi	600 yd	0	0
Jun 2, 2000	F1	0.5 mi	10 yd	0	0
Aug 20, 1997	F0	0.1 mi	10 yd	0	0
Aug 6, 1997	F0	0.1 mi	23 yd	0	0
Jul 3, 1997	F2	1.5 mi	100 yd	0	0
Jul 3, 1997	F1	8.5 mi	100 yd	0	0
Jul 3, 1997	F2	3.7 mi	600 yd	0	0
Jul 3, 1997	F2	4.5 mi	600 yd	0	0
Jul 3, 1997	F1	4.5 mi	100 yd	0	0
Jul 3, 1997	F1	1.3 mi	73 yd	0	0
May 29, 1995	F4	11.5 mi	300 yd	3	24
Jun 27, 1992	F0	0.1 mi	10 yd	0	4
Jun 24, 1992	F0	0.2 mi	10 yd	0	0
Aug 15, 1991	F1	0.8 mi	300 yd	0	0
Aug 10, 1990	F0	1 mi	10 yd	0	0
May 18, 1990	F0	0.2 mi	10 yd	0	0
May 18, 1990	F0	0.2 mi	10 yd	0	0
Jul 10, 1989	F0	0.1 mi	23 yd	0	0
Jul 10, 1989	F1	0.1 mi	23 yd	0	1
Jul 10, 1989	F0	0.1 mi	23 yd	0	0
Jul 10, 1989	F1	0.4 mi	50 yd	0	0
Jul 10, 1989	F1	0.3 mi	50 yd	0	0
Jul 10, 1989	F1	0.3 mi	50 yd	0	0
Jul 10, 1989	F1	0.3 mi	50 yd	0	0
Sep 16, 1986	F1	0.1 mi	50 yd	0	0
Aug 8, 1986	F1	7 mi	1,000 yd	0	0
Aug 7, 1986	F1	4 mi	73 yd	0	0
Sep 27, 1985	F1	0.1 mi	40 yd	0	0
Jul 11, 1984	F1	0.5 mi	50 yd	0	0
Jul 5, 1984	F1	2 mi	80 yd	0	0
Jul 5, 1984	F1	0.3 mi	30 yd	0	0
Aug 1, 1983	F0	0.1 mi	13 yd	0	0
Jul 18, 1983	F0	0.4 mi	20 yd	0	0
Jun 22, 1981	F3	7.1 mi	167 yd	0	3
Aug 10, 1979	F1	0.6 mi	30 yd	0	1
Aug 10, 1979	F2	9.7 mi	30 yd	2	2
Jul 27, 1978	F0	0.1 mi	100 yd	0	0
Aug 22, 1977	F1	0.1 mi	10 yd	0	2
Jun 29, 1977	F1	0.1 mi	30 yd	0	0
May 3, 1976	F1	0.2 mi	27 yd	0	0
Jul 24, 1975	F2	0.3 mi	10 yd	0	0
Jul 13, 1975	F2	0.3 mi	27 yd	0	0
Sep 29, 1974	F3	0.1 mi	33 yd	0	1
Sep 6, 1973	F1	1.1 mi	10 yd	0	0

Every Massachusetts 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.