Weather Alerts Map

Tornadoes in Maine

Maine has recorded 134 tornadoes from 1950 through 2025, about 1.8 per year over the last 30 years. They killed 1 people and injured 20. July is the most active month.

Live Maine tornado warnings · All Maine weather alerts

Map data: NWS, OpenFreeMap, OpenStreetMap

Tornadoes per year

96: 196197: 397398: 198199: 199100: 200201: 201202: 302304: 104105: 205206: 106107: 107109: 709710: 510511: 511512: 112113: 413414: 414416: 116117: 717719: 119120: 1201
Maine tornadoes per year, 1996–2025
50s: 2050s2060s: 2460s2470s: 2570s2580s: 580s590s: 1290s1200s: 1900s1910s: 2810s2820s: 120s1
Tornadoes per decade (the 2020s are partial)

When tornadoes happen in Maine

Jan: 0JanFeb: 0FebMar: 0MarApr: 0AprMay: 10May10Jun: 27Jun27Jul: 51Jul51Aug: 28Aug28Sep: 7Sep7Oct: 6Oct6Nov: 5Nov5Dec: 0Dec
Tornadoes by month, 1950–2025
EF0: 35EF035EF1: 81EF181EF2: 18EF218EF3: 0EF3EF4: 0EF4EF5: 0EF5
Tornadoes by (E)F rating

Ratings before February 2007 use the original Fujita (F) scale; later tornadoes use the Enhanced Fujita (EF) scale. How the EF scale works.

Deadliest tornadoes in Maine

DateRatingCountyPath lengthWidthDeathsInjuries
August 11, 1954F2Aroostook County1 mi27 yd11

Strongest tornadoes in Maine

DateRatingCountyPath lengthWidthDeathsInjuries
August 11, 1954F2Aroostook County1 mi27 yd11
September 15, 1961F2Washington County19.1 mi33 yd01
August 15, 1958F2Aroostook County17 mi33 yd00
June 30, 1971F2Penobscot County13.3 mi10 yd00
July 7, 1954F2Waldo County7.6 mi10 yd01
November 7, 1971F2Penobscot County5.1 mi10 yd00
November 7, 1971F2Somerset County4.1 mi60 yd00
August 9, 2000F2Somerset County3 mi500 yd00
September 16, 1957F2Aroostook County2.7 mi50 yd00
August 16, 1959F2Penobscot County2 mi27 yd00

Most recent tornadoes

DateRatingCountyPath lengthWidthDeathsInjuries
July 11, 2020EF0Oxford County4.9 mi100 yd00
August 12, 2019EF1Washington County0.2 mi200 yd00
August 5, 2017EF1Aroostook County0.5 mi20 yd00
August 5, 2017EF1Penobscot County2.5 mi33 yd00
July 1, 2017EF0Oxford County2.5 mi75 yd00
July 1, 2017EF1Cumberland County2.5 mi200 yd01
July 1, 2017EF1Oxford County0.3 mi200 yd00
July 1, 2017EF1Cumberland County1.5 mi250 yd00
July 1, 2017EF0Cumberland County3.4 mi50 yd00
July 18, 2016EF0Aroostook County0.1 mi30 yd00

Counties with the most tornadoes

CountyTornadoes since 1950Per 1,000 sq mi
Aroostook County3011647429.2
Oxford County1721198844.5
Somerset County138580530.1
Cumberland County1340275119.6
Penobscot County139911686.8
York County1231362260.3
Kennebec County1132860438.3
Washington County66063207.2
Piscataquis County63923251.7
Androscoggin County422136752.1
Franklin County46104891
Waldo County310643835.6
Sagadahoc County220393700.8
Lincoln County211359649.1
Hancock County11632010.1
Knox County17095890.4

About this data

Tornado records come from the NOAA Storm Prediction Center database of confirmed tornadoes, 1950–2025. Tornadoes that crossed state lines are counted in the state where they began. Counts in the early decades are lower partly because many weak tornadoes went unreported before Doppler radar and storm spotter networks.