Dunn County, North Dakota tornadoes

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26confirmed tornadoes since NOAA records began in 1950 (the first here in 1960). Most recent: July 12, 2024, 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 Dunn County

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The record

At a glance

Total261950 to 2025
Per year0.3average since 1950
Peak monthJune13 of 26
StrongestF2May 26, 1978
Deaths0whole paths, see note
Injuries0whole paths, see note

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

Seasons

When tornadoes hit here

By month

130 Jan: 0Feb: 0Mar: 0Apr: 0May: 2Jun: 13Jul: 10Aug: 1Sep: 0Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 13 of 26 tornadoes.

By time of day

70 12 AM: 0: 0: 03 AM: 1: 0: 06 AM: 0: 0: 09 AM: 0: 0: 012 PM: 1: 3: 73 PM: 4: 4: 06 PM: 2: 0: 29 PM: 1: 1: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 2:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

50 1950: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01960: 1: 0: 0: 0: 0: 2: 0: 1: 0: 01970: 0: 0: 0: 0: 0: 0: 0: 0: 1: 11980: 5: 0: 1: 0: 0: 0: 1: 0: 0: 01990: 2: 0: 0: 0: 0: 0: 0: 0: 0: 02000: 0: 0: 0: 0: 0: 0: 0: 0: 1: 12010: 0: 1: 0: 0: 0: 2: 0: 0: 5: 02020: 0: 0: 0: 0: 1: 019501960197019801990200020102020

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
18
EF1
5
EF2
2
Unknown
1

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

F2, May 26, 1978

0.3 mile path Longest path

3.49 miles, EF2

June 1, 2018, whole path Widest

300 yards, EF0

July 14, 2018
Every tornado

All 26 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jul 12, 2024EFU1 mi75 yd00
Jul 14, 2018EF01.01 mi300 yd00
Jul 14, 2018EF10.33 mi100 yd00
Jun 1, 2018EF23.49 mi200 yd00
Jun 1, 2018EF00.3 mi50 yd00
May 31, 2018EF00.32 mi50 yd00
Jun 24, 2015EF00.08 mi15 yd00
Jun 2, 2015EF00.86 mi20 yd00
Jul 8, 2011EF01.93 mi25 yd00
Jun 16, 2009EF00.11 mi20 yd00
Jul 19, 2008EF00.52 mi25 yd00
Jun 26, 1990F00.1 mi13 yd00
Jun 26, 1990F00.1 mi50 yd00
Jun 27, 1986F00.2 mi10 yd00
Jul 8, 1982F10.6 mi13 yd00
Jun 11, 1980F00.1 mi10 yd00
Jun 4, 1980F10.1 mi10 yd00
Jun 4, 1980F00.1 mi10 yd00
Jun 4, 1980F10.1 mi10 yd00
Jun 4, 1980F00.1 mi10 yd00
Jul 29, 1979F00.1 mi10 yd00
May 26, 1978F20.3 mi10 yd00
Jul 7, 1967F00.1 mi10 yd00
Jul 18, 1965F10.1 mi10 yd00
Jul 8, 1965F00.1 mi10 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.