Enter any address in Iron County, Utah to see its FEMA flood zone
Flash flooding from summer thunderstorms dominates flood events in Iron County. Between 1993 and 2023, the NOAA Storm Events Database recorded 52 flash flood events and 1 flood event. Recent examples include monsoonal flash flooding in August 2023 that caused campground evacuations and road closures in Capitol Reef National Park, and isolated instances of flash flooding in July 2024 associated with strong thunderstorms.
National Flood Insurance Program (NFIP) claims data shows that properties in Zone X_Unshaded have experienced the most claims, with an average payout of $6,482 and an average water depth of 5.5 feet. Properties in Zone X and Zone A have also filed claims, with average payouts around $15,000, though with shallower average water depths. Homeowners in areas identified as Zone X_Unshaded, Zone X, and Zone A should pay particular attention to flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
4 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Iron County, Utah has recorded 53 flood-related events since 1996 according to NOAA's Storm Events Database, including 52 flash floods and 1 river or area floods. The county has received 7 federal disaster declarations, 3 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1977–2023)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Flooding | Flood | May 1, 2023 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Brian Head Fire | Fire | Jun 17, 2017 |
| Hurricane Katrina Evacuation | Coastal Storm | Aug 29, 2005 |
| Flooding And Landslides | Flood | Apr 28, 2005 |
| Drought | Drought | Jan 20, 1977 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jul 17, 2025 | 0.00K |
| Flash Flood | Jul 25, 2024 | 10.00K |
| Flash Flood | Aug 18, 2023 | 0.00K |
| Flash Flood | Aug 17, 2023 | 1.00M |
| Flash Flood | Jul 31, 2021 | 300.00K |
| Flash Flood | Jul 26, 2021 | 0.00K |
| Flash Flood | Jul 25, 2021 | 300.00K |
| Flash Flood | Jul 25, 2021 | 0.00K |
| Flash Flood | Jul 25, 2021 | 100.00K |
| Flash Flood | Jul 20, 2021 | 0.00K |
Flash Flood — Jul 17, 2025
A weak northern stream shortwave trough moving through the northwest CONUS resulted in the development of high based convection. Some of this convection resulted in strong to severe wind gusts. Additionally, a cutoff low placed off of the southwest CONUS helped advect moisture into southern Utah, leading to convection with periods of sufficiently heavy rain to result in flash flooding over some...
Flash Flood — Jul 25, 2024
Sufficient moisture in combination with a shortwave impulse brushing by the area resulted in numerous strong thunderstorm wind gusts in addition to isolated instances of flash flooding.
Flash Flood — Aug 18, 2023
Monsoonal flash flooding brought a variety of impacts to southern Utah, including flash flooding in Capitol Reef National Park that prompted evacuation of a campground and road closures.
Flash Flood — Aug 17, 2023
Monsoonal flash flooding brought a variety of impacts to southern Utah, including flash flooding in Capitol Reef National Park that prompted evacuation of a campground and road closures.
Flash Flood — Jul 31, 2021
An active monsoon surge brought several back-to-back days of thunderstorms producing heavy rain, damaging wind gusts, and hail across the state.
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Iron County, Utah:
AE High Risk — 1% annual chance of flooding. Insurance required.
VE Very High Risk — Coastal flooding with wave action.
X (Shaded) Moderate Risk — 500-year floodplain.
X Low Risk — Outside major floodplains.
Properties in Iron County, Utah that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.
Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.
Visit FloodSmart.gov to find an agent and get a quote.