Enter any address in Clark County, Nevada to see its FEMA flood zone
Flash flooding from summer thunderstorms is the dominant flood character in Clark County. Over the last 30 years, NOAA Storm Events data shows 369 flash flood events, resulting in 13 deaths, compared to 33 general flood events. Recent examples include flash flooding fueled by tropical moisture from remnants of Pacific Hurricane Priscilla on October 10, 2025, and from Tropical Storm Alvin on June 2 and June 5, 2025.
National Flood Insurance Program (NFIP) claims data indicates that properties in Zone A experienced an average water depth of 1.2 feet with an average payout of $16,539. Properties in Zone X, however, saw a higher average water depth of 3.9 feet and a higher average payout of $18,731. Homeowners in Zone A, Zone X, and areas with unknown flood risk should pay close attention to flood preparedness.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
20 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Clark County, Nevada has recorded 402 flood-related events since 1996 according to NOAA's Storm Events Database, including 369 flash floods and 33 river or area floods. The county has received 14 federal disaster declarations, 2 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1981–2020)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Carpenter 1 Fire | Fire | Jul 4, 2013 |
| Cathedral Fire | Fire | Jul 1, 2010 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
| Good Springs Fire | Fire | Jun 22, 2005 |
| Heavy Rains And Flooding | Severe Storm | Jan 7, 2005 |
| Snow | Snowstorm | Jan 6, 2005 |
| Record And/or Near Record Snow | Snowstorm | Dec 29, 2004 |
| Robbers Fire | Fire | Jul 26, 2004 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Oct 10, 2025 | 20.00K |
| Flash Flood | May 6, 2025 | 5.00K |
| Flash Flood | May 6, 2025 | 1.00K |
| Flash Flood | May 6, 2025 | 10.00K (1 deaths) |
| Flash Flood | Sep 5, 2025 | 50.00K |
| Flash Flood | Sep 5, 2025 | 5.00K |
| Flash Flood | Sep 5, 2025 | 1.00K |
| Flash Flood | Sep 5, 2025 | 2.00K |
| Flood | Sep 5, 2025 | 1.00K |
| Flash Flood | Jun 5, 2025 | 2.00K |
Flash Flood — Oct 10, 2025
The remnants of Pacific Hurricane Priscilla pushed tropical moisture into southern Nevada, fueling scattered thunderstorms. Several produced heavy rain and flash flooding, and a few produced severe weather.
Flash Flood — May 6, 2025
A strong low pressure system persisted around the region for several days, helping to fuel thunderstorms. Several storms produced severe weather and flash flooding.
Flash Flood — Sep 5, 2025
A push of monsoon moisture fueled scattered thunderstorms, many of which produced severe weather and flash flooding.
Flood — Sep 5, 2025
A push of monsoon moisture fueled scattered thunderstorms, many of which produced severe weather and flash flooding.
Flash Flood — Jun 5, 2025
An upper level low pulled moisture from the remnants of Tropical Storm Alvin into the Desert Southwest, fueling thunderstorms which produced severe weather and flash flooding.
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 Clark County, Nevada:
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 Clark County, Nevada 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.