Worcester County, Massachusetts tornadoes

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54confirmed tornadoes since NOAA records began in 1950 (the first here in 1953). Most recent: September 6, 2025, EF0. 2026 so far: 0 preliminary reports preliminary

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Map

Every tornado path in the county

Tornado paths, 1950 to 2025
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(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated

Each path is a straight line from where the tornado started to where it ended, which is all most NOAA records hold. Tap a path for its details.

Recent warnings

Recent warnings in Worcester County

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The record

At a glance

Total541950 to 2025
Per year0.7average since 1950
Peak monthJuly17 of 54
StrongestF4Jun 9, 1953
Deaths100whole paths, see note
Injuries1,470whole paths, see note

Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond Worcester County.

Seasons

When tornadoes hit here

By month

170 Jan: 0Feb: 0Mar: 0Apr: 0May: 5Jun: 9Jul: 17Aug: 12Sep: 4Oct: 5Nov: 2Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

July is the peak month, with 17 of 54 tornadoes.

By time of day

170 12 AM: 2: 0: 03 AM: 0: 0: 16 AM: 0: 1: 39 AM: 2: 1: 112 PM: 1: 7: 173 PM: 7: 4: 46 PM: 1: 1: 09 PM: 0: 1: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 2:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

50 1950: 0: 0: 0: 2: 0: 1: 2: 2: 4: 01960: 0: 0: 1: 3: 1: 0: 2: 0: 1: 11970: 2: 2: 1: 0: 0: 0: 1: 0: 0: 11980: 0: 1: 0: 0: 0: 0: 1: 0: 0: 41990: 1: 0: 0: 0: 0: 0: 0: 0: 0: 02000: 0: 1: 1: 0: 0: 0: 0: 1: 0: 02010: 0: 2: 0: 0: 1: 1: 0: 0: 5: 02020: 0: 3: 0: 1: 0: 419501960197019801990200020102020

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
15
EF1
25
EF2
9
EF3
4
EF4
1

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.

The record

Notable tornadoes

Deadliest

F4, June 9, 1953

94 deaths, 1,228 injuries Strongest

F4, June 9, 1953

34.9 mile path Longest path

37.58 miles, EF3

June 1, 2011, whole path Widest

1,000 yards, F1

August 8, 1986
Every tornado

All 54 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Sep 6, 2025EF00.6 mi150 yd00
Sep 6, 2025EF00.15 mi100 yd00
Sep 6, 2025EF00.13 mi100 yd00
Sep 6, 2025EF00.17 mi50 yd00
Jul 16, 2023EF02.02 mi250 yd00
Aug 23, 2021EF00.1 mi50 yd00
Aug 19, 2021EF00.54 mi35 yd00
Aug 19, 2021EF04.64 mi50 yd00
Oct 23, 2018EF01 mi100 yd00
Oct 23, 2018EF10.8 mi350 yd00
Aug 4, 2018EF10.47 mi300 yd01
Jul 26, 2018EF11.04 mi100 yd00
Jul 26, 2018EF14.4 mi200 yd00
Jun 23, 2015EF00.52 mi75 yd00
Aug 31, 2014EF02.06 mi176 yd00
Jun 1, 2011EF01.42 mi25 yd00
Jun 1, 2011EF337.58 mi880 yd3200
Jul 19, 2007EF01.5 mi50 yd00
Jul 23, 2002F10.4 mi75 yd00
Jun 17, 2001F10.8 mi600 yd00
Aug 10, 1990F01 mi10 yd00
Jul 10, 1989F10.4 mi50 yd00
Jul 10, 1989F10.3 mi50 yd00
Jul 10, 1989F10.3 mi50 yd00
Jul 10, 1989F10.3 mi50 yd00
Cities

Cities in Worcester County

Each city page counts every tornado path within 10 miles of the city, including paths just over the county line.

Nearby

Nearby counties

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 13, 2026.