Minnesota

Storm History: Olmsted County, Minnesota

571 episodes, 1,083 events since 1953

Every storm the National Weather Service has filed in Olmsted 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
1,083
Deaths
17
Injuries
145
Damage
$120 million
Episodes
571

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 Olmsted 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
Hail39900$8.2 million
Tornado197248$46 million
Flash Flood10300$59 million
Thunderstorm Wind9200$2.4 million
Winter Storm67126$838,000
Flood3800$248,000
Heavy Snow2824$83,000
Extreme Cold/Wind Chill2610$40,000
Winter Weather21327$204,000
Blizzard2019$165,000
High Wind1600$305,000
Drought1300
Cold/Wind Chill1130
Heat9214
Funnel Cloud800
Dense Fog8212$172,000
Ice Storm703$20,000
Lightning700$1.7 million
Excessive Heat600$23,000
Strong Wind502$65,000
Wildfire200

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 Olmsted County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Olmsted CountyEvery warning in Olmsted 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.