626 flood insurance claims·$9.3M paid·2 federal flood & hurricane disasters
Share of the whole county outline, rivers and lakes included; parts FEMA hasn’t mapped count as zero.
Shaded areas are FEMA’s mapped flood hazard zones in and around Clark County, Nevada. Zoomed out they are simplified; at street level the map switches to FEMA’s exact layer. Tap anywhere to check that spot, or search an address above.
Flash flooding from intense summer thunderstorms dominates the flood profile of Clark County, accounting for 369 events and 13 deaths over the last 30 years compared to 33 standard flood events. Tropical systems frequently drive these occurrences, as seen in October 2025 when the remnants of Pacific Hurricane Priscilla pushed tropical moisture into southern Nevada to produce heavy rain and flash flooding. Similarly, an upper-level low drew moisture from the remnants of Tropical Storm Alvin into the Desert Southwest in June 2025, fueling thunderstorms and flash flooding.
NFIP claim records demonstrate that flood risk extends across multiple designated zones. Zone A leads with 247 claims, featuring an average payout of $25,834 and an average recorded water depth of 3 inches. Zone X properties experienced significant impacts with 220 claims, an average payout of $31,099, and an average recorded water depth of 8 inches. Additional claims occurred in unknown zones, unshaded Zone X, and shaded Zone X.
Homeowners, real estate agents, and journalists should pay the most attention to properties in both high-risk Zone A and moderate-to-low risk Zone X, as both areas have accumulated substantial claim histories and documented water depths.
Summary written from NOAA storm reports and NFIP claims for this county. Not a prediction.
21% of Clark County’s flood insurance claims were on properties rated outside FEMA’s high-risk zones.
311 NFIP claims with a recorded rated flood zone, 1978 to date. The zone is the one FEMA used to rate that policy, which may not match today’s map. Source: OpenFEMA NFIP claims.
In flood insurance claims here that reported a flood depth, the average was 5 inches.
Drawn to scale against an 80-inch door. Even a few inches soaks flooring, the bottom of the drywall and anything plugged in near the floor.
Average of the depths reported on claims (zero and implausible values left out); FEMA’s record doesn’t say exactly where each depth was measured. Source: OpenFEMA NFIP claims.
The worst year was 1999, with 122 claims and $1.7M paid, the year of Nv.
Bar height is scaled by square root so ordinary years stay visible next to the worst one. NFIP claims by year of loss. Source: OpenFEMA.
20 NOAA storm reports from Clark County describe what happened, in the words of the forecasters who covered it. Read the Nevada flood stories →
14 federal disaster declarations since 1981, 2 of them floods, coastal storms or hurricanes.
| Disaster | Began |
|---|---|
| Carpenter 1 Fire | Jul 4, 2013 |
| Cathedral Fire | Jul 1, 2010 |
| Hurricane Katrina Evacuation | Aug 29, 2005 |
| Good Springs Fire | Jun 22, 2005 |
| Heavy Rains And Flooding | Jan 7, 2005 |
| Snow | Jan 6, 2005 |
| Record And/or Near Record Snow | Dec 29, 2004 |
| Robbers Fire | Jul 26, 2004 |
Weather and water disasters only; most recent first. Source: OpenFEMA Disaster Declarations.
402 since 1996: 369 flash floods and 33 river or area floods.
| Event | Date | Damage |
|---|---|---|
| Flash Flood | Oct 10, 2025 | $20,000 |
| Flash Flood | May 6, 2025 | $5,000 |
| Flash Flood | May 6, 2025 | $1,000 |
| Flash Flood | May 6, 2025 | $10,000 · 1 killed |
| Flash Flood | Sep 5, 2025 | $50,000 |
| Flash Flood | Sep 5, 2025 | $5,000 |
| Flash Flood | Sep 5, 2025 | $1,000 |
| Flash Flood | Sep 5, 2025 | $2,000 |
— = no damage estimate in the record. Source: NOAA Storm Events Database.
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.
National Weather Service narratives, lightly trimmed. Source: NOAA Storm Events Database.
Every colour on the map above is a place on this drawing: where the ground sits relative to the flood FEMA plans for.
If a building in Clark County is in a high-risk zone (A or V) and its mortgage comes from a federally regulated or insured lender, or is federally backed, flood insurance is required.
Outside those zones it is optional, and often worth having: from 2014 to 2024 nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area. Since Risk Rating 2.0, NFIP premiums are set for each building, so the only reliable price is a quote: FloodSmart.gov or a local agent.