Grant County, Minnesota tornadoes

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33confirmed tornadoes since NOAA records began in 1950 (the first here in 1952). Most recent: August 21, 2025, EFU. 2026 so far: 1 preliminary report 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 Grant County

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The record

At a glance

Total331950 to 2025
Per year0.4average since 1950
Peak monthJune9 of 33
StrongestEF4Jul 8, 2020
Deaths1whole paths, see note
Injuries2whole paths, see note

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

Seasons

When tornadoes hit here

By month

90 Jan: 0Feb: 0Mar: 0Apr: 1May: 5Jun: 9Jul: 7Aug: 9Sep: 2Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 9 of 33 tornadoes.

By time of day

100 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 1: 0: 012 PM: 0: 0: 63 PM: 3: 10: 76 PM: 5: 1: 09 PM: 0: 0: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 4:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

60 1950: 0: 0: 1: 0: 0: 0: 0: 0: 0: 01960: 0: 0: 0: 0: 0: 0: 0: 0: 1: 21970: 0: 0: 0: 0: 0: 0: 0: 0: 0: 11980: 0: 1: 1: 0: 2: 1: 0: 0: 0: 01990: 0: 1: 0: 0: 0: 0: 0: 0: 0: 02000: 0: 2: 0: 0: 0: 1: 1: 0: 0: 02010: 3: 0: 1: 0: 0: 2: 0: 1: 0: 02020: 6: 0: 3: 0: 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. This year so far: 1 preliminary reports.

By rating

EF0
13
EF1
12
EF2
4
EF3
1
EF4
1
Unknown
2

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

EF4, July 8, 2020

1 deaths, 2 injuries Strongest

EF4, July 8, 2020

8.86 mile path Longest path

20.99 miles, EF1

August 7, 2010, whole path Widest

800 yards, F2

April 26, 1984
Every tornado

All 33 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Aug 21, 2025EFU0.25 mi30 yd00
Aug 21, 2025EFU0.25 mi30 yd00
May 30, 2022EF211.01 mi400 yd00
May 30, 2022EF26.84 mi350 yd00
May 12, 2022EF12.94 mi50 yd00
Aug 14, 2020EF11.71 mi150 yd00
Aug 14, 2020EF213.4 mi150 yd00
Aug 14, 2020EF01 mi40 yd00
Aug 14, 2020EF00.4 mi30 yd00
Aug 14, 2020EF04 mi50 yd00
Jul 8, 2020EF48.86 mi650 yd12
Jun 13, 2017EF00.45 mi75 yd00
Jul 12, 2015EF11.96 mi100 yd00
Jul 12, 2015EF01.92 mi100 yd00
Jun 17, 2012EF02.86 mi30 yd00
Aug 7, 2010EF120.99 mi100 yd00
Jul 10, 2010EF00.2 mi25 yd00
Jul 10, 2010EF02.95 mi30 yd00
Jun 5, 2006F11.5 mi50 yd00
Jun 20, 2005F10.2 mi100 yd00
Jun 13, 2001F00.5 mi25 yd00
Jun 13, 2001F00.5 mi25 yd00
Jun 30, 1991F10.2 mi10 yd00
May 30, 1985F01.5 mi200 yd00
Jun 4, 1984F00.1 mi10 yd00
This year

2026 preliminary reports not yet confirmed

Report dateLocationRating
Jul 6, 20263 NNW NorcrossNot yet rated

Preliminary reports from the Storm Prediction Center. One tornado can be reported more than once, and NOAA confirms the final record months later.

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.