Winona County, Minnesota tornadoes

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25confirmed tornadoes since NOAA records began in 1950 (the first here in 1953). Most recent: June 25, 2025, EF0. 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.

The record

At a glance

Total251950 to 2025
Per year0.3average since 1950
Peak monthJune7 of 25
StrongestF4May 10, 1953
Deaths2whole paths, see note
Injuries36whole paths, see note

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

Seasons

When tornadoes hit here

By month

70 Jan: 0Feb: 0Mar: 0Apr: 2May: 6Jun: 7Jul: 6Aug: 0Sep: 2Oct: 0Nov: 0Dec: 2JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 7 of 25 tornadoes.

By time of day

40 12 AM: 0: 0: 13 AM: 0: 0: 16 AM: 0: 0: 09 AM: 0: 0: 012 PM: 0: 2: 03 PM: 1: 3: 36 PM: 2: 4: 39 PM: 2: 2: 112 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

30 1950: 0: 0: 0: 1: 0: 0: 0: 0: 0: 01960: 0: 0: 0: 0: 0: 2: 0: 1: 1: 01970: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01980: 1: 0: 2: 0: 1: 0: 0: 1: 0: 01990: 0: 0: 0: 1: 0: 0: 0: 1: 0: 12000: 0: 0: 0: 0: 0: 0: 0: 0: 0: 02010: 0: 0: 0: 0: 0: 0: 0: 0: 1: 22020: 2: 2: 3: 0: 1: 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
14
EF1
6
EF2
3
EF3
1
EF4
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

F4, May 10, 1953

2 deaths, 24 injuries Strongest

F4, May 10, 1953

162 mile path Longest path

162 miles, F4

May 10, 1953, whole path Widest

800 yards, F2

May 17, 1982
Every tornado

All 25 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Jun 25, 2025EF01.44 mi25 yd00
May 21, 2024EF119.74 mi110 yd00
Jul 23, 2022EF01.25 mi30 yd00
Apr 12, 2022EF01.8 mi20 yd00
Apr 12, 2022EF03.14 mi70 yd00
Dec 15, 2021EF14.85 mi40 yd00
Dec 15, 2021EF00.63 mi40 yd00
Jun 28, 2020EF00.61 mi20 yd00
Jun 28, 2020EF00.72 mi25 yd00
Sep 11, 2019EF10.17 mi80 yd00
Jul 18, 2019EF00.27 mi20 yd00
Sep 4, 2018EF15.14 mi50 yd00
Jul 8, 1999F23.5 mi100 yd02
Jun 5, 1997F02 mi80 yd00
Jul 27, 1993F00.1 mi13 yd00
Jul 11, 1987F00.1 mi10 yd00
Jul 10, 1984F00.8 mi17 yd00
May 17, 1982F119 mi50 yd00
May 17, 1982F226 mi800 yd03
Jun 5, 1980F25.7 mi100 yd00
Jun 20, 1968F00.1 mi10 yd00
Jun 15, 1967F14.5 mi300 yd00
May 5, 1965F00.2 mi10 yd00
May 5, 1965F365.2 mi100 yd07
May 10, 1953F4162 mi100 yd224
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 12, 2026.