St. Croix County, Wisconsin tornadoes

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34confirmed tornadoes since NOAA records began in 1950 (the first here in 1953). Most recent: May 15, 2025, EF2. 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 St. Croix County

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The record

At a glance

Total341950 to 2025
Per year0.4average since 1950
Peak monthJuly9 of 34
StrongestF5Jun 4, 1958
Deaths26whole paths, see note
Injuries125whole paths, see note

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

Seasons

When tornadoes hit here

By month

90 Jan: 0Feb: 0Mar: 0Apr: 0May: 6Jun: 8Jul: 9Aug: 8Sep: 2Oct: 1Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

July is the peak month, with 9 of 34 tornadoes.

By time of day

70 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 0: 1: 09 AM: 1: 0: 012 PM: 2: 2: 73 PM: 4: 2: 66 PM: 3: 1: 29 PM: 3: 0: 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: 1: 1: 0: 0: 0: 4: 01960: 0: 1: 0: 0: 1: 0: 1: 0: 0: 01970: 0: 1: 0: 0: 0: 0: 1: 1: 0: 01980: 1: 1: 0: 0: 1: 0: 0: 2: 0: 01990: 0: 0: 0: 0: 1: 0: 0: 0: 0: 12000: 1: 0: 0: 0: 0: 3: 1: 0: 1: 52010: 1: 0: 0: 0: 0: 0: 0: 0: 0: 02020: 0: 1: 0: 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
17
EF1
8
EF2
6
EF3
2
EF5
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

F5, June 4, 1958

21 deaths, 74 injuries Strongest

F5, June 4, 1958

33.7 mile path Longest path

105.7 miles, F2

May 10, 1953, whole path Widest

880 yards, F5

June 4, 1958
Every tornado

All 34 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
May 15, 2025EF23.94 mi120 yd00
Aug 29, 2024EF01.71 mi50 yd00
Jul 28, 2021EF15.66 mi100 yd00
Jul 14, 2010EF12.54 mi30 yd00
Aug 19, 2009EF01.66 mi25 yd00
Aug 19, 2009EF01.41 mi25 yd00
Aug 19, 2009EF00.39 mi25 yd00
Aug 8, 2009EF00.32 mi50 yd00
Aug 8, 2009EF15 mi450 yd00
May 25, 2008EF01.25 mi50 yd00
Sep 23, 2006F00.1 mi25 yd00
Jun 11, 2005F00.5 mi25 yd00
Jun 11, 2005F18 mi50 yd00
Jun 11, 2005F00.3 mi25 yd00
Jul 26, 2000F00.1 mi20 yd00
Jun 5, 1999F00.5 mi50 yd00
May 30, 1994F11 mi73 yd00
Jul 6, 1987F00.1 mi23 yd00
May 29, 1987F00.1 mi50 yd00
Aug 7, 1984F00.1 mi27 yd00
Jul 24, 1981F00.3 mi20 yd00
Jul 15, 1980F20.1 mi10 yd112
Jul 30, 1977F39.1 mi200 yd00
Jun 12, 1976F21 mi100 yd00
Jun 4, 1971F13.8 mi100 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.