Wisconsin

Storm History: Marathon County, Wisconsin

538 episodes, 882 events since 1950

Every storm the National Weather Service has filed in Marathon 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
882
Deaths
2
Injuries
30
Damage
$70 million
Episodes
538

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 Marathon 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
Hail27304$963,000
Tornado209021$32 million
Thunderstorm Wind9900$1.6 million
Winter Storm5212$297,000
Flash Flood3500$2.1 million
Heavy Snow3200$15 million
Flood2500$68,000
Drought2100
High Wind1900$659,000
Strong Wind1503$8,000
Cold/Wind Chill1210
Winter Weather1100
Dense Fog1100
Heat1100
Blizzard1000$58,000
Ice Storm900
Extreme Cold/Wind Chill900
Lightning800$17 million
Heavy Rain800
Funnel Cloud600
Excessive Heat600
Frost/Freeze100

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 Marathon County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Marathon CountyEvery warning in Marathon 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.