Iowa

Storm History: Fremont County, Iowa

414 episodes, 536 events since 1955

Every storm the National Weather Service has filed in Fremont 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
536
Deaths
3
Injuries
29
Damage
$191 million
Episodes
414

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 Fremont 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
Hail13201$600,000
Tornado109226$6.3 million
Flood6400$139 million
Thunderstorm Wind5500$7,000
Winter Storm3700
Cold/Wind Chill2100
Flash Flood2112$44 million
High Wind1600$2,000
Blizzard1500
Heat1500
Excessive Heat1400
Drought1000
Extreme Cold/Wind Chill900
Heavy Snow600$1.1 million
Winter Weather600
Ice Storm400
Funnel Cloud200

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 Fremont County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Fremont CountyEvery warning in Fremont 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.