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.
Tornado (F3)August 23, 1998
Door · 2 injured · $4.7M damage
Tornado (EF3)September 24, 2019
Chippewa · 3 injured · $3.0M damage
Tornado (EF3)June 7, 2007
Langlade · 1 injured · $2.2M damage
Tornado (EF3)April 14, 2026
Juneau · $2.0M damage
Tornado (F3)June 23, 2004
Fond Du Lac · $1.6M damage
Tornado (F3)June 23, 2004
Green Lake · $1.4M damage
Tornado (EF3)April 17, 2026
Buffalo · $928K damage
Tornado (EF3)August 7, 2021
Grant · $430K damage
Tornado (EF3)May 16, 2017
Rusk · $420K damage
Tornado (F3)May 15, 1998
Pepin · 6 injured · $100K damage
Tornado (EF3)April 14, 2026
Vernon · $1K damage
HeatJuly 19, 2019
Dane · 39 injured ·
HeatJuly 21, 2016
Milwaukee · 29 injured ·
Winter WeatherJanuary 3, 2009
Fond Du Lac · 60 injured ·
Winter WeatherJanuary 3, 2009
Dane · 177 injured ·
HeatJuly 30, 2006
Milwaukee · 40 injured ·
HeatJune 29, 1996
Milwaukee · 70 injured ·
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.