Tornado History Map

Malheur County, Oregon tornado history

9 tornadoes recorded in or across Malheur County from 1966 to 1997, 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 Malheur County

The Storm Prediction Center records 9 tornadoes whose paths touched Malheur County, Oregon between 1966 and 1997. None of them is recorded as having killed anyone. The busiest month is June, with 4 tornadoes. The strongest was an F1 on 25 August 1966. The most recent was on 17 June 1997.

  • 9tornadoes
  • 0deaths
  • 0injuries
  • 9per 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 Malheur County?

RatingTornadoesShare
F0 / EF0444%
F1 / EF1556%
F2 / EF200%
F3 / EF300%
F4 / EF400%
F5 / EF500%
Unknown rating00%

Malheur County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 4 in 1960s.1960s41970s11990s4

The 1990s only run to 1997, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1960s4
1970s1
1990s4
Tornadoes by month
Bar chart of tornadoes by period. The most is 4 in Jun.Jan0Feb0Mar0Apr3May1Jun4Jul0Aug1Sep0Oct0Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr3
May1
Jun4
Jul0
Aug1
Sep0
Oct0
Nov0
Dec0

Records for Malheur County

  • Strongest and Longest path: Oregon tornado25 August 1966, F1, 19.1 miles long
  • Most recent: Oregon tornado17 June 1997, F0, 0.2 miles long

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

More in Oregon

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