Tornado History Map

Ontario County, New York tornado history

7 tornadoes recorded in or across Ontario County from 1994 to 2025, coloured by rating on the map.

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Years1950 to 2025
Rating (F or EF scale)

Shows tornadoes that started in, or crossed, the chosen state. To see how many have passed near you, search a town or ZIP code, or tap the map.

Key
  • F0 / EF0 Light damage
  • F1 / EF1 Moderate damage
  • F2 / EF2 Considerable damage
  • F3 / EF3 Severe damage
  • F4 / EF4 Devastating damage
  • F5 / EF5 Incredible damage
  • Unknown Not rated (2007 onwards)

How to read the lines. Each line is one tornado, drawn from where it started to where it ended, coloured and sized by its rating. A dot means the record has no end point. Tap a line for its details, or tap anywhere else to see how many tornadoes have passed nearby. Weaker tornadoes appear as you zoom in. Ratings use the Fujita (F) scale before 1 February 2007 and the Enhanced Fujita (EF) scale from then on.

Tornadoes in Ontario County

The Storm Prediction Center records 7 tornadoes whose paths touched Ontario County, New York between 1994 and 2025. None of them is recorded as having killed anyone. The busiest month is July, with 3 tornadoes. The strongest was an EF2 on 7 July 2025. The most recent was on 7 July 2025.

  • 7tornadoes
  • 0deaths
  • 0injuries
  • 109per 10,000 sq mi of land

A tornado that crossed several counties counts in each one, so county counts add up to more than the state's.

How strong were the tornadoes in Ontario County?

RatingTornadoesShare
F0 / EF0343%
F1 / EF1343%
F2 / EF2114%
F3 / EF300%
F4 / EF400%
F5 / EF500%
Unknown rating00%

Ontario County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 3 in 1990s.1990s32000s12010s12020s2

The 2020s only run to 2025, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1990s3
2000s1
2010s1
2020s2
Tornadoes by month
Bar chart of tornadoes by period. The most is 3 in Jul.Jan0Feb0Mar0Apr0May0Jun2Jul3Aug2Sep0Oct0Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr0
May0
Jun2
Jul3
Aug2
Sep0
Oct0
Nov0
Dec0

Records for Ontario County

  • Strongest and Most recent: New York tornado7 July 2025, EF2, 1.7 miles long
  • Longest path: New York tornado29 August 2009, EF0, 10.6 miles long

Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.

More in New York

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