Wisconsin

Storm History: Polk County, Wisconsin

331 episodes, 520 events since 1952

Every storm the National Weather Service has filed in Polk 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
520
Deaths
4
Injuries
18
Damage
$16 million
Episodes
331

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 Polk 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
Hail15100$1.1 million
Tornado138418$10 million
Winter Storm8000
Thunderstorm Wind6600$4.4 million
Flash Flood1900$523,000
Heavy Snow1400
Winter Weather1200
Extreme Cold/Wind Chill1200
Cold/Wind Chill600
Heat600
Flood400$18,000
Excessive Heat400
Ice Storm200
High Wind200$25,000
Frost/Freeze100
Dense Fog100
Strong Wind100$5,000
Blizzard100

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 Polk County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Polk CountyEvery warning in Polk 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.