Iowa

Storm History: Montgomery County, Iowa

342 episodes, 454 events since 1950

Every storm the National Weather Service has filed in Montgomery 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
454
Deaths
0
Injuries
1
Damage
$6.4 million
Episodes
342

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 Montgomery 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
Hail13900$350,000
Tornado9401$1.5 million
Thunderstorm Wind3700
Winter Storm3700
Cold/Wind Chill2100
Flash Flood1900$1.6 million
Flood1800$2.1 million
High Wind1700
Blizzard1700
Excessive Heat1600
Heat1500
Extreme Cold/Wind Chill1000
Heavy Snow400$850,000
Winter Weather400
Drought400
Ice Storm200

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 Montgomery County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Montgomery CountyEvery warning in Montgomery 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.