Iowa

Storm History: Monroe County, Iowa

311 episodes, 405 events since 1956

Every storm the National Weather Service has filed in Monroe County, Iowa: 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
405
Deaths
0
Injuries
8
Damage
$174 million
Episodes
311

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 Monroe 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
Tornado8608$28 million
Hail6500$493,000
Flash Flood6200$3.9 million
Drought3200$110 million
Flood2900$22 million
Winter Storm2300$460,000
High Wind1900$710,000
Heavy Snow1900$3.5 million
Ice Storm1500$445,000
Blizzard1300$260,000
Thunderstorm Wind1000$35,000
Frost/Freeze900$4.0 million
Cold/Wind Chill700$294,000
Extreme Cold/Wind Chill700
Excessive Heat300$135,000
Heavy Rain300
Heat100
Winter Weather100
Sleet100

The deadliest

None recorded.

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 Monroe County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Monroe CountyEvery warning in Monroe County since 1986Every county in Iowa

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.