Severe Weather History


County archive · 1950 — present

Linn County, Iowa

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Linn County, Iowa severe weather history spans 1,170 recorded events between 1953 and 2026. The dominant hazard is thunderstorm wind, accounting for 49.1% of all recorded events. It ranks #85 nationally and #2 in Iowa.

1,170

Recorded events

6

Direct deaths

148

Direct injuries

$803.5M

Property damage

The record

What the Linn County, Iowa severe weather history record shows

Across the archive, Linn County, Iowa severe weather history averages 16.0 recorded events a year. The busiest stretch on record is the 2010s, with 374 events logged in that decade alone. Roughly 113 events fall before 1990 and 1,057 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.

The deadliest hazard in the Linn County, Iowa record is thunderstorm wind, responsible for 3 direct deaths. The costliest is flood, with $752.2M in reported property damage. In total, 8 distinct hazard types appear in this county archive, each listed with its own dated record below.

Linn County, Iowa severe weather history: recorded events per decade since 1950
Linn County, Iowa severe weather history: recorded events per decade since 1950

By hazard type

Every hazard type recorded in Linn County

HazardEventsDeathsDamageMaxSpan
Thunderstorm Wind5743$11.4M1221955–2026
Hail3890$6.3M2.751956–2026
Tornado640$32.6MF41953–2025
Flash Flood581$813K2.51997–2025
Heavy Rain310$5K21998–2021
Flood200$752.2M01998–2025
Funnel Cloud190$002000–2025
Lightning152$203K01997–2019
Source: NOAA/NCEI Storm Events · dates UTC · preliminary data may revise

Decade by decade

Linn County, Iowa severe weather history by decade

141950s
201960s
281970s
511980s
951990s
3342000s
3742010s
2542020s

Reporting practice changed over time — early decades are undercounted, not calmer.

Tornado tracks

Paths crossing this county

72 mapped tornado paths intersect this county: 61 touched down inside it and 11 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.

DateScaleDeathsInjuriesPath lengthOrigin
1990-03-13EF40019.0 miTouched down here
1954-04-30EF40080.4 miTouched down here
1961-04-23EF311287.7 miCrossed in
2004-05-21EF3003.0 miTouched down here
1971-05-18EF3004.3 miCrossed in
1953-05-20EF30738.6 miTouched down here
2025-07-11EF2006.7 miTouched down here
2023-03-31EF2009.0 miCrossed in
2017-06-28EF20111.7 miTouched down here
2016-07-17EF2044.0 miCrossed in
Source: NOAA SPC SVRGIS tornado tracks · path geometry intersected with county boundaries

Significant events

Deadliest events on record in Linn County

DateTypeLocationDeathsInjuriesDamage
Aug 10, 2020Thunderstorm WindCOVINGTON1100$0
Jul 13, 1992Thunderstorm Wind12$0
Jul 1, 2014Flash FloodCEDAR RAPIDS11$0
Jun 30, 2014Thunderstorm WindFAIRFAX11$0
Sep 4, 2005Lightning(CID)CEDAR RAPIDS AR11$0
Jun 20, 2015LightningPALO10$0
May 26, 1965Tornado014$250K
Jul 17, 2016TornadoFAIRFAX04$250K
Source: NOAA/NCEI Storm Events · dates UTC

From the record

What the reports say

Written by National Weather Service staff at the time of the event · public domain

Context

Risk, population and federal disasters

Relatively Moderate

FEMA NRI risk rating

230,004

Population (ACS)

$214K

Median home value

23

Federal declarations

DeclaredIncidentTitleType
Aug 17, 2020Severe StormSEVERE STORMSDR
Mar 23, 2020BiologicalCOVID-19 PANDEMICDR
Mar 13, 2020BiologicalCOVID-19EM
Oct 31, 2016FloodSEVERE STORMS AND FLOODINGDR
Aug 5, 2014Severe StormSEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODINGDR
Jul 2, 2013Severe StormSEVERE STORMS, TORNADOES, AND FLOODINGDR
Source: FEMA OpenFEMA disaster declarations · most recent first

Within the county

Most affected places

  • Cedar Rapids 351
  • Marion 145

Quick answers

Frequently asked

How many severe weather events have been recorded in Linn County, Iowa?

1,170 events are on record between 1953 and 2026, causing 6 direct deaths and $803.5M in property damage.

What is the most common severe weather hazard in Linn County?

Thunderstorm Wind, with 574 recorded events — 49.1% of everything in the archive for this county.

How many tornadoes have crossed Linn County?

72 mapped tornado paths intersect the county boundary; 61 of them touched down inside it. This is derived from path geometry, not county-tagged reports.

How many federal disaster declarations cover Linn County?

23 federal disaster declarations from FEMA include Linn County, each tied to a specific incident period.

How risky is Linn County compared with the rest of the country?

FEMA's National Risk Index rates Linn County as relatively moderate risk, placing it in the 87 percentile of its state for expected annual loss.

Where does the Linn County, Iowa severe weather history data come from?

Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.

Nearby

Neighbouring counties

All counties in this state →

Cite this page

“Linn County, Iowa.” Severe Weather History. severeweatherhistory.com/county/iowa/linn-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


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