Minnesota

Storm History: Polk County, Minnesota

718 episodes, 1,469 events since 1955

Every storm the National Weather Service has filed in Polk County, Minnesota: 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
1,469
Deaths
6
Injuries
24
Damage
$622 million
Episodes
718

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
Tornado411421$11 million
Hail33403$937,000
Blizzard13410$5.0 million
Winter Storm11100
Extreme Cold/Wind Chill10610
Flash Flood8200$671,000
Thunderstorm Wind6700$128,000
Heavy Snow5900
High Wind4200$2,000
Cold/Wind Chill3200$42,000
Drought2700
Flood2300$603 million
Frost/Freeze1700
Ice Storm1000$2.0 million
Funnel Cloud600
Excessive Heat300
Heat200
Lightning100$15,000
Winter Weather100
Dust Storm100

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 Minnesota

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.