Missouri

Storm History: Polk County, Missouri

600 episodes, 987 events since 1955

Every storm the National Weather Service has filed in Polk County, Missouri: 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
987
Deaths
1
Injuries
17
Damage
$84 million
Episodes
600

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
Tornado27607$45 million
Hail24700$1.5 million
Flash Flood24211$9.7 million
Thunderstorm Wind8002$331,000
Drought3500$20 million
Winter Storm3404$150,000
Flood2400$527,000
Ice Storm1400$1.3 million
Heat900
Winter Weather803
Heavy Snow400$50,000
Extreme Cold/Wind Chill400
Wildfire300$75,000
High Wind200
Frost/Freeze200$5.3 million
Blizzard100
Strong Wind100$10,000
Cold/Wind Chill100

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 Missouri

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.