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 FogAugust 23, 2000
Trempealeau · 1 killed ·
LightningAugust 12, 2000
St. Croix · 1 killed · 2 injured ·
LightningJuly 30, 1999
Taylor · 1 killed ·
HeatJuly 29, 1999
Waukesha · 1 killed ·
HeatJuly 29, 1999
Fond Du Lac · 1 killed ·
HeatJuly 29, 1999
Racine · 1 killed ·
HeatJuly 29, 1999
Dane · 1 killed ·
HeatJuly 28, 1999
Crawford · 1 killed ·
HeatJuly 23, 1999
Calumet · 1 killed ·
HeatJuly 23, 1999
Manitowoc · 1 killed ·
HeatJuly 23, 1999
Winnebago · 1 killed ·
Thunderstorm WindJuly 5, 1999
Bayfield · 1 killed ·
Cold/Wind ChillNovember 30, 1997
Milwaukee · 1 killed ·
Cold/Wind ChillNovember 30, 1997
Milwaukee · 1 killed ·
HeatJuly 16, 1997
Milwaukee · 1 killed ·
LightningJune 30, 1997
Racine · 1 killed ·
LightningJune 21, 1997
Calumet · 1 killed ·
LightningJune 20, 1997
Kenosha · 1 killed ·
Cold/Wind ChillFebruary 1, 1996
Eau Claire · 1 killed ·
Cold/Wind ChillFebruary 1, 1996
Brown · 1 killed ·
Cold/Wind ChillJanuary 30, 1996
Kenosha · 1 killed ·
Cold/Wind ChillJanuary 30, 1996
Lafayette · 1 killed ·
BlizzardJanuary 26, 1996
Dunn · 1 killed ·
Cold/Wind ChillJanuary 18, 1996
Walworth · 1 killed ·
Cold/Wind ChillJanuary 9, 1996
Walworth · 1 killed ·
HailJune 25, 2006
Columbia · $500.0M damage
Flash FloodJune 8, 2008
Jefferson · $102.2M damage
Flash FloodAugust 9, 2025
Waukesha · 1 injured · $89.0M damage
Flash FloodJune 21, 1997
Milwaukee · $78.7M damage
Flash FloodJune 8, 2008
Milwaukee · $78.0M damage
Flash FloodJune 8, 2008
Waukesha · $63.0M damage
HailMay 12, 2000
Manitowoc · 30 injured · $46.0M damage
HailJune 2, 2020
La Crosse · $45.5M damage
HailJune 7, 2007
Wood · $45.0M damage
Flash FloodAugust 6, 1998
Sheboygan · $40.0M damage
Tornado (F5)July 18, 1996
Fond Du Lac · 12 injured · $39.5M damage
Thunderstorm WindAugust 13, 2007
St. Croix · $35.0M damage
FloodAugust 20, 2018
Dane · $32.8M damage
HailMay 12, 2000
Calumet · $32.2M damage
Flash FloodApril 17, 2026
Rock · $30.0M 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.