Wisconsin Storm & Severe Weather History
Since 1996, Wisconsin has logged 40,846 severe-weather events — about 1,318 a year — with 268 direct deaths, 1,281 injuries and $3.4B in reported property damage.
By event type
Thunderstorm Wind9,74915 d$307.2M
Hail7,958—$1.1B
Winter Storm3,6922 d$7.6M
Winter Weather3,682—$3.0M
Heavy Snow2,1432 d$585K
Dense Fog1,61212 d$262K
Flood1,46210 d$273.2M
Drought1,433——
Strong Wind1,1799 d$4.0M
Flash Flood1,06913 d$1.2B
Cold/Wind Chill1,01289 d$161K
Tornado9047 d$486.4M
Heat89338 d—
Extreme Cold/Wind Chill6757 d$32K
Lightning66119 d$73.4M
Heavy Rain570—$1.8M
Events by year
19962026
Notable events (297)
Events with deaths, major damage, or a strong tornado — deadliest first.
Dense FogOctober 11, 2002
Sheboygan · 10 killed ·
Cold/Wind ChillJanuary 12, 2024
Milwaukee · 4 killed ·
HeatJuly 29, 1999
Milwaukee · 4 killed ·
Cold/Wind ChillFebruary 1, 1996
Milwaukee · 4 killed · 15 injured ·
FloodJune 13, 2022
Milwaukee · 3 killed ·
Cold/Wind ChillDecember 25, 2017
Dane · 3 killed ·
Flash FloodAugust 6, 1998
Waukesha · 2 killed · 1 injured · $17.3M damage
Tornado (F3)June 18, 2001
Burnett · 2 killed · 16 injured · $10.0M damage
Thunderstorm WindJuly 30, 1999
Vilas · 2 killed · $1.0M damage
Cold/Wind ChillDecember 13, 2024
Milwaukee · 2 killed ·
High SurfAugust 7, 2022
Ashland · 2 killed ·
Excessive HeatJune 14, 2022
Milwaukee · 2 killed ·
Strong WindMarch 28, 2021
Fond Du Lac · 2 killed ·
Rip CurrentAugust 8, 2020
Milwaukee · 2 killed ·
Cold/Wind ChillDecember 25, 2017
Milwaukee · 2 killed ·
Cold/Wind ChillDecember 18, 2016
Douglas · 2 killed ·
LightningAugust 3, 2014
Oconto · 2 killed ·
Excessive HeatJuly 3, 2012
Milwaukee · 2 killed ·
Excessive HeatJuly 2, 2012
Columbia · 2 killed ·
HeatJuly 2, 2012
La Crosse · 2 killed · 25 injured ·
Excessive HeatJuly 1, 2012
Barron · 2 killed ·
HeatJune 18, 2012
Milwaukee · 2 killed ·
HeatAugust 1, 2006
Milwaukee · 2 killed ·
Strong WindNovember 12, 2003
Winnebago · 2 killed ·
HeatAugust 6, 2001
Kenosha · 2 killed ·
HeatAugust 6, 2001
Milwaukee · 2 killed ·
HeatJuly 21, 2001
Milwaukee · 2 killed ·
Flash FloodAugust 9, 2025
Milwaukee · 1 killed · $60.0M damage
Tornado (F3)August 18, 2005
Dane · 1 killed · 23 injured · $34.3M damage
Flash FloodJuly 22, 2010
Milwaukee · 1 killed · $24.1M damage
Tornado (EF2)May 16, 2017
Barron · 1 killed · 25 injured · $10.1M damage
Flash FloodSeptember 22, 2016
Vernon · 1 killed · $8.9M damage
Flash FloodAugust 18, 2007
Richland · 1 killed · $8.8M damage
Thunderstorm WindMay 31, 1998
Washington · 1 killed · 2 injured · $8.6M damage
Flash FloodJune 29, 2020
St. Croix · 1 killed · $8.0M damage
Flash FloodSeptember 10, 2000
Eau Claire · 1 killed · 1 injured · $3.3M damage
Flash FloodAugust 20, 2018
Dane · 1 killed · $1.0M damage
High WindNovember 10, 1998
Milwaukee · 1 killed · 1 injured · $1.0M damage
FloodSeptember 22, 2016
Vernon · 1 killed · $986K damage
Tornado (F3)June 23, 2004
Green Lake · 1 killed · 1 injured · $675K damage
Source: NOAA/NCEI Storm Events Database. Counts are every logged event since 1996; the "notable" list is filtered to events with fatalities, major damage or a strong tornado. Damage is the reporting office's estimate. A record of past weather is not a forecast. See About the Data.