Norman County, Minnesota tornadoes

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31confirmed tornadoes since NOAA records began in 1950 (the first here in 1956). Most recent: July 7, 2025, EF1. 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 Norman County

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The record

At a glance

Total311950 to 2025
Per year0.4average since 1950
Peak monthJune13 of 31
StrongestF2Jul 5, 1978
Deaths4whole paths, see note
Injuries44whole paths, see note

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

Seasons

When tornadoes hit here

By month

130 Jan: 0Feb: 0Mar: 0Apr: 1May: 3Jun: 13Jul: 8Aug: 5Sep: 1Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 13 of 31 tornadoes.

By time of day

50 12 AM: 0: 1: 03 AM: 2: 0: 06 AM: 0: 0: 09 AM: 0: 0: 012 PM: 1: 1: 33 PM: 5: 2: 26 PM: 4: 4: 29 PM: 2: 1: 112 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 3:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

30 1950: 0: 0: 0: 0: 0: 0: 1: 1: 0: 01960: 0: 0: 2: 0: 0: 0: 1: 0: 0: 01970: 0: 0: 0: 0: 1: 0: 0: 0: 1: 11980: 0: 1: 0: 0: 0: 1: 0: 0: 0: 01990: 0: 0: 0: 0: 0: 0: 0: 0: 0: 02000: 0: 0: 1: 0: 0: 0: 1: 0: 1: 02010: 2: 1: 0: 0: 0: 1: 1: 3: 3: 12020: 1: 0: 1: 3: 0: 119501960197019801990200020102020

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
15
EF1
11
EF2
4
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

Deadliest

F2, July 5, 1978

4 deaths, 44 injuries Strongest

F2, July 5, 1978

57.5 mile path Longest path

57.5 miles, F2

July 5, 1978, whole path Widest

600 yards, EF2

July 11, 2017
Every tornado

All 31 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jul 7, 2025EF14.72 mi40 yd00
Jun 24, 2023EF01.97 mi20 yd00
Jun 24, 2023EF01.54 mi10 yd00
Jun 24, 2023EFU2.98 mi20 yd00
Jun 20, 2022EF14.87 mi150 yd00
Aug 13, 2020EF00.1 mi30 yd00
May 24, 2019EF06.56 mi200 yd00
Aug 26, 2018EF120.94 mi300 yd00
Jun 29, 2018EF11.21 mi150 yd00
Jun 28, 2018EF11 mi150 yd00
Sep 19, 2017EF14.57 mi100 yd00
Jul 11, 2017EF212.81 mi500 yd00
Jul 11, 2017EF211.64 mi600 yd00
Aug 28, 2016EF29.57 mi400 yd00
Jul 23, 2015EF15.4 mi500 yd00
Jul 4, 2011EF01.5 mi40 yd00
Jun 17, 2010EF01 mi25 yd00
May 24, 2010EF01 mi20 yd00
Jun 9, 2008EF10.25 mi40 yd00
Jun 24, 2006F00.1 mi25 yd00
Jun 9, 2002F10.2 mi25 yd00
May 4, 1985F07 mi50 yd00
Jun 21, 1981F01 mi20 yd00
Aug 12, 1979F00.5 mi300 yd00
Jul 5, 1978F257.5 mi400 yd444
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.