Tornado History Map

Bonneville County, Idaho tornado history

7 tornadoes recorded in or across Bonneville County from 1978 to 2017, 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 Bonneville County

The Storm Prediction Center records 7 tornadoes whose paths touched Bonneville County, Idaho between 1978 and 2017. None of them is recorded as having killed anyone. The busiest month is February, with 2 tornadoes. The strongest was an F2 on 7 April 1978. The most recent was on 17 November 2017.

  • 7tornadoes
  • 0deaths
  • 2injuries
  • 38per 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 Bonneville County?

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

Bonneville County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 2 in 1980s.1970s11980s21990s12000s22010s1

The 2010s only run to 2017, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1970s1
1980s2
1990s1
2000s2
2010s1
Tornadoes by month
Bar chart of tornadoes by period. The most is 2 in Feb.Jan0Feb2Mar0Apr2May1Jun1Jul0Aug0Sep0Oct0Nov1Dec0
Show the numbers
PeriodCount
Jan0
Feb2
Mar0
Apr2
May1
Jun1
Jul0
Aug0
Sep0
Oct0
Nov1
Dec0

Records for Bonneville County

  • Strongest: Idaho tornado7 April 1978, F2, 1 injury, 1.5 miles long
  • Longest path: Idaho tornado14 February 2000, F1, 12 miles long
  • Most recent: Idaho tornado17 November 2017, EF0, 5 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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