Tornado History Map

McCone County, Montana tornado history

12 tornadoes recorded in or across McCone County from 1953 to 2010, 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 McCone County

The Storm Prediction Center records 12 tornadoes whose paths touched McCone County, Montana between 1953 and 2010. They killed 1 person and injured 1. The busiest month is July, with 5 tornadoes. The strongest was an F2 on 26 August 1954. The most recent was on 16 June 2010.

  • 12tornadoes
  • 1death
  • 1injury
  • 45per 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 McCone County?

RatingTornadoesShare
F0 / EF0758%
F1 / EF1325%
F2 / EF2217%
F3 / EF300%
F4 / EF400%
F5 / EF500%
Unknown rating00%

McCone County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 5 in 1990s.1950s21980s11990s52000s22010s2

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

Show the numbers
PeriodCount
1950s2
1980s1
1990s5
2000s2
2010s2
Tornadoes by month
Bar chart of tornadoes by period. The most is 5 in Jul.Jan0Feb0Mar0Apr0May2Jun2Jul5Aug3Sep0Oct0Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr0
May2
Jun2
Jul5
Aug3
Sep0
Oct0
Nov0
Dec0

Records for McCone County

  • Deadliest: Montana tornado9 July 1983, F1, 1 death, 1 injury, 1 mile long
  • Strongest: Montana tornado26 August 1954, F2, 20.9 miles long
  • Longest path: Montana tornado20 July 2001, F0, 28 miles long
  • Most recent: Montana tornado16 June 2010, EF1, 2.6 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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