Severe Weather History


Hazard archive · 1950 — present

Flash Flood in Iron County, Utah

52

Recorded events

0

Direct deaths

3

Direct injuries

$14.8M

Property damage

Flash Flood in Iron County, Utah: 52 recorded events between 1997 and 2025. The strongest on record measured 0. That places the county #579 nationally and #7 statewide for this hazard.

Decade by decade

Flash Flood in Iron County, Utah: events per decade

Flash Flood in Iron County, Utah: recorded events per decade
Flash Flood in Iron County, Utah: recorded events per decade

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

The busiest decade for flash flood in Iron County is the 2000s, when 18 of the county's 52 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.

Within the Iron County archive, flash flood makes up 46.8% of all recorded severe weather across 8 hazard types. Nationally the county sits at #579 for this hazard and #7 within Utah, putting it in the 81.1 percentile of all U.S. counties.

Seasonality

Events by month

0Jan
0Feb
0Mar
0Apr
0May
2Jun
28Jul
19Aug
2Sep
1Oct
0Nov
0Dec

Jul is the peak month for flash flood in Iron County with 28 recorded events, while Jan is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.

Significant events

Deadliest on record

DateLocationScaleDeathsInjuriesDamage
Jul 16, 2021LUND003$1.0M
Source: NOAA/NCEI Storm Events · dates UTC

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Jul 17, 2025KANARRAVILLE0$0
Jul 25, 2024KANARRAVILLE0$10K
Aug 18, 2023CEDAR CITY0$0
Aug 17, 2023(CDC)CEDAR CITY ARPT0$1.0M
Aug 19, 2021KANARRAVILLE0$30K
Aug 18, 2021KANARRAVILLE0$2K
Aug 18, 2021CEDAR CITY0$200K
Aug 1, 2021ENOCH0$9.0M
Jul 31, 2021ENOCH0$300K
Jul 26, 2021HAMILTONS FT0$0
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

From the record

What the reports say

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

Quick answers

Frequently asked

How many flash flood events are on record in Iron County, Utah?

52 flash flood events are recorded in Iron County between 1997 and 2025, causing 0 direct deaths.

What is the strongest flash flood recorded in Iron County?

The strongest flash flood on record in Iron County measured 0.

Where does the flash flood data for Iron County come from?

All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.

Cite this page

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


Historical reference only — for official alerts visit weather.gov