Tornado History Map

LaMoure County, North Dakota tornado history

45 tornadoes recorded in or across LaMoure County from 1955 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 LaMoure County

The Storm Prediction Center records 45 tornadoes whose paths touched LaMoure County, North Dakota between 1955 and 2025. None of them is recorded as having killed anyone. The busiest month is July, with 17 tornadoes. The strongest was an F4 on 18 July 2004. The most recent was on 20 June 2025.

  • 45tornadoes
  • 0deaths
  • 1injury
  • 393per 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 LaMoure County?

RatingTornadoesShare
F0 / EF02249%
F1 / EF1920%
F2 / EF2511%
F3 / EF324%
F4 / EF412%
F5 / EF500%
Unknown rating613%

LaMoure County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 10 in 1970s.1950s21960s61970s101980s41990s52000s92010s12020s8

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

Show the numbers
PeriodCount
1950s2
1960s6
1970s10
1980s4
1990s5
2000s9
2010s1
2020s8
Tornadoes by month
Bar chart of tornadoes by period. The most is 17 in Jul.Jan0Feb0Mar0Apr3May1Jun13Jul17Aug10Sep1Oct0Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr3
May1
Jun13
Jul17
Aug10
Sep1
Oct0
Nov0
Dec0

Records for LaMoure County

  • Strongest: Montpelier, North Dakota tornado18 July 2004, F4, 12 miles long
  • Longest path: North Dakota tornado15 August 1999, F2, 28.5 miles long
  • Most recent: North Dakota tornado20 June 2025, Unknown rating, 0.5 miles long

Notable tornadoes in LaMoure County

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

More in North Dakota

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