Tornado History Map

Cassia County, Idaho tornado history

11 tornadoes recorded in or across Cassia County from 1986 to 2023, 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 Cassia County

The Storm Prediction Center records 11 tornadoes whose paths touched Cassia County, Idaho between 1986 and 2023. None of them is recorded as having killed anyone. The busiest month is June, with 3 tornadoes. The strongest was an EF0 on 2 August 2019. The most recent was on 26 May 2023.

  • 11tornadoes
  • 0deaths
  • 0injuries
  • 43per 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 Cassia County?

RatingTornadoesShare
F0 / EF011100%
F1 / EF100%
F2 / EF200%
F3 / EF300%
F4 / EF400%
F5 / EF500%
Unknown rating00%

Cassia County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 4 in 1990s.1980s11990s42000s22010s32020s1

The 2020s only run to 2023, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1980s1
1990s4
2000s2
2010s3
2020s1
Tornadoes by month
Bar chart of tornadoes by period. The most is 3 in Jun.Jan0Feb0Mar1Apr1May1Jun3Jul0Aug3Sep2Oct0Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar1
Apr1
May1
Jun3
Jul0
Aug3
Sep2
Oct0
Nov0
Dec0

Records for Cassia County

  • Strongest and Longest path: Idaho tornado2 August 2019, EF0, 1 mile long
  • Most recent: Idaho tornado26 May 2023, EF0, 0.2 miles long

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

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