LaMoure County, North Dakota tornadoes

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39confirmed tornadoes since NOAA records began in 1950 (the first here in 1955). Most recent: June 20, 2025, EFU. 2026 so far: 0 preliminary reports preliminary

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Map

Every tornado path in the county

Tornado paths, 1950 to 2025
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(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated

Each path is a straight line from where the tornado started to where it ended, which is all most NOAA records hold. Tap a path for its details.

Recent warnings

Recent warnings in LaMoure County

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The record

At a glance

Total391950 to 2025
Per year0.5average since 1950
Peak monthJuly16 of 39
StrongestF4Jul 18, 2004
Deaths0whole paths, see note
Injuries1whole paths, see note

Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond LaMoure County.

Seasons

When tornadoes hit here

By month

160 Jan: 0Feb: 0Mar: 0Apr: 3May: 1Jun: 10Jul: 16Aug: 8Sep: 1Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

July is the peak month, with 16 of 39 tornadoes.

By time of day

90 12 AM: 1: 3: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 0: 112 PM: 3: 4: 33 PM: 2: 2: 16 PM: 4: 9: 29 PM: 3: 1: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 7:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

40 1950: 0: 0: 0: 0: 0: 1: 0: 1: 0: 01960: 0: 1: 1: 0: 0: 0: 0: 1: 0: 01970: 0: 0: 0: 0: 2: 0: 0: 2: 2: 11980: 0: 0: 1: 1: 0: 2: 0: 0: 0: 01990: 2: 0: 0: 0: 0: 2: 0: 0: 0: 12000: 1: 1: 0: 1: 1: 0: 4: 1: 0: 02010: 0: 1: 0: 0: 0: 0: 0: 0: 0: 02020: 3: 0: 1: 2: 0: 219501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones.

By rating

EF0
20
EF1
8
EF2
2
EF3
2
EF4
1
Unknown
6

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

The record

Notable tornadoes

Strongest

F4, July 18, 2004

12 mile path Longest path

28.5 miles, F2

August 15, 1999, whole path Widest

880 yards, EF3

July 17, 2011
Every tornado

All 39 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jun 20, 2025EFU0.48 mi50 yd00
Jun 20, 2025EF10.23 mi150 yd00
Jul 7, 2023EFU0.27 mi50 yd00
Jul 7, 2023EFU0.23 mi40 yd00
Apr 23, 2022EFU0.35 mi25 yd00
Aug 9, 2020EFU0.3 mi50 yd00
Aug 9, 2020EFU2.24 mi100 yd00
Aug 9, 2020EF10.87 mi100 yd00
Jul 17, 2011EF316.18 mi880 yd01
Jul 15, 2007EF11 mi80 yd00
Jun 23, 2006F01 mi40 yd00
Jun 23, 2006F03 mi70 yd00
Apr 28, 2006F00.5 mi60 yd00
Apr 28, 2006F00.4 mi25 yd00
Jul 18, 2004F412 mi200 yd00
Jul 20, 2003F0n/a50 yd00
Jul 18, 2001F13 mi50 yd00
Jul 4, 2000F02 mi50 yd00
Aug 15, 1999F228.5 mi283 yd00
Jul 12, 1995F00.1 mi10 yd00
Jul 7, 1995F00.1 mi10 yd00
Jun 11, 1990F00.1 mi10 yd00
Jun 11, 1990F00.1 mi10 yd00
Sep 5, 1985F00.2 mi17 yd00
Aug 3, 1985F00.2 mi13 yd00
Nearby

Nearby counties

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 13, 2026.