Wisconsin

Storm History: Milwaukee County, Wisconsin

832 episodes, 1,113 events since 1956

Every storm the National Weather Service has filed in Milwaukee County, Wisconsin: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
1,113
Deaths
107
Injuries
443
Damage
$349 million
Episodes
832

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Milwaukee County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Tornado1860178$35 million
Hail18500$8.4 million
Winter Weather13821$15,000
Thunderstorm Wind9401$20 million
Flash Flood7921$270 million
Winter Storm69140$129,000
Dense Fog6200
Cold/Wind Chill544026$20,000
Flood5337$1.6 million
Strong Wind4920$223,000
Heat3917220
High Wind2311$2.0 million
Excessive Heat1840
Drought1700$25,000
Blizzard967$87,000
Extreme Cold/Wind Chill970
Heavy Snow800
Lightning500$1.1 million
Rip Current451
Lakeshore Flood300$11 million
Heavy Rain200
Ice Storm200
Lake-Effect Snow240
Wildfire100
Frost/Freeze100
Debris Flow100

The deadliest

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in Milwaukee County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Milwaukee CountyEvery warning in Milwaukee County since 1986Every county in Wisconsin

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.