Severe Weather History


County archive · 1950 — present

Iron County, Utah

Iron County, Utah severe weather history spans 111 recorded events between 1953 and 2025. The dominant hazard is flash flood, accounting for 46.8% of all recorded events. It ranks #2,849 nationally and #14 in Utah.

111

Recorded events

0

Direct deaths

3

Direct injuries

$14.9M

Property damage

The record

What the Iron County, Utah severe weather history record shows

Across the archive, Iron County, Utah severe weather history averages 1.5 recorded events a year. The busiest stretch on record is the 2020s, with 40 events logged in that decade alone. Roughly 14 events fall before 1990 and 97 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.

The costliest is flash flood, with $14.8M in reported property damage. In total, 8 distinct hazard types appear in this county archive, each listed with its own dated record below.

Iron County, Utah severe weather history: recorded events per decade since 1950
Iron County, Utah severe weather history: recorded events per decade since 1950

By hazard type

Every hazard type recorded in Iron County

HazardEventsDeathsDamageMaxSpan
Flash Flood520$14.8M01997–2025
Thunderstorm Wind270$0651963–2025
Hail210$90K1.751970–2023
Tornado50$30F11953–2025
Heavy Rain30$2K01997–2021
Lightning10$8K02015–2015
Flood10$2K01998–1998
Debris Flow10$4K02022–2022
Source: NOAA/NCEI Storm Events · dates UTC · preliminary data may revise

Decade by decade

Iron County, Utah severe weather history by decade

11950s
21960s
11970s
101980s
121990s
242000s
212010s
402020s

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

Tornado tracks

Paths crossing this county

5 mapped tornado paths intersect this county: 5 touched down inside it and 0 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.

DateScaleDeathsInjuriesPath lengthOrigin
1986-05-30EF1003.5 miTouched down here
2025-04-18EF0000.1 miTouched down here
1998-07-23EF0000.1 miTouched down here
1967-06-16EF0000.1 miTouched down here
1953-07-14EF0000.1 miTouched down here
Source: NOAA SPC SVRGIS tornado tracks · path geometry intersected with county boundaries

Significant events

Deadliest events on record in Iron County

DateTypeLocationDeathsInjuriesDamage
Jul 16, 2021Flash FloodLUND03$1.0M
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 Low

FEMA NRI risk rating

62,252

Population (ACS)

$379K

Median home value

7

Federal declarations

DeclaredIncidentTitleType
Dec 23, 2023FloodFLOODINGDR
Apr 4, 2020BiologicalCOVID-19 PANDEMICDR
Mar 13, 2020BiologicalCOVID-19EM
Jun 18, 2017FireBRIAN HEAD FIREFM
Sep 5, 2005Coastal StormHURRICANE KATRINA EVACUATIONEM
Aug 1, 2005FloodFLOODING AND LANDSLIDESDR
Source: FEMA OpenFEMA disaster declarations · most recent first

Quick answers

Frequently asked

How many severe weather events have been recorded in Iron County, Utah?

111 events are on record between 1953 and 2025, causing 0 direct deaths and $14.9M in property damage.

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

Flash Flood, with 52 recorded events — 46.8% of everything in the archive for this county.

How many tornadoes have crossed Iron County?

5 mapped tornado paths intersect the county boundary; 5 of them touched down inside it. This is derived from path geometry, not county-tagged reports.

How many federal disaster declarations cover Iron County?

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

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

FEMA's National Risk Index rates Iron County as relatively low risk, placing it in the 61 percentile of its state for expected annual loss.

Where does the Iron County, Utah 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

“Iron County, Utah.” Severe Weather History. severeweatherhistory.com/county/utah/iron-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


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