DisasterAWARE
9
Extreme

flood Flood Risk in Las Vegas, NV

Risk Level: Extreme — Score 9/10

FEMA: 9Historical: 10

Live Flood alert status near Las Vegas

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Key Risk Factors

  • FEMA rates Las Vegas's county as Very High risk for this hazard
  • Estimated annual loss of $362M from this hazard type
  • Extensive history of significant events in this area
  • High recent activity — multiple events in the last 12 months
  • Average annual frequency: 7.2 events per year

Peak season: March-September

Last significant event: Flood - Las Vegas--Henderson, NV Region, United States (2024-07-18) — 933,000 people exposed

Highest Risk Cities for Floods

1
New York, NY
FEMA: 9Historical: 10
2
Los Angeles, CA
FEMA: 9Historical: 10
3
Chicago, IL
FEMA: 9Historical: 10
4
Houston, TX
FEMA: 9Historical: 10
5
Phoenix, AZ
FEMA: 9Historical: 10
6
Philadelphia, PA
FEMA: 9Historical: 10
7
San Antonio, TX
FEMA: 9Historical: 10
8
San Diego, CA
FEMA: 9Historical: 10
9
Dallas, TX
FEMA: 9Historical: 10
10
San Jose, CA
FEMA: 9Historical: 10
Las Vegas is not in the top 10 for flood risk among tracked cities.

How Las Vegas Compares

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Notable Flood Events Near Las Vegas

DisasterAWARE's historical archive records 5 notable flood events near Las Vegas, ranked below by impact. The most impactful: Flood - Las Vegas--Henderson, NV Region, United States (July 2024) — 933,000 people exposed; $96,820M capital exposed.

Flood - Las Vegas--Henderson, NV Region, United States

July 17, 2024 — WARNING

933,000 people exposed; $96,820M capital exposed

Flood - Las Vegas--Henderson, NV Region, United States

July 17, 2024 — WARNING

933,000 people exposed; $96,820M capital exposed

Flood - Las Vegas--Henderson, NV Region, United States

July 28, 2022 — WARNING

Impact data not available

Flood - Las Vegas--Henderson, NV Region, United States

July 25, 2021 — WARNING

Impact data not available

Flood - Las Vegas--Henderson, NV Region, United States

July 21, 2021 — WARNING

Impact data not available

Flood Preparedness Tips

  • 1.Know if your property is in a flood zone — check FEMA maps
  • 2.Consider flood insurance even if not in a high-risk zone
  • 3.Never drive through flooded roadways — Turn Around, Don’t Drown
  • 4.Move valuables and important documents to upper floors
  • 5.Install sump pumps and check valves in plumbing

Related Pages

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Earthquake Risk in Las Vegas
Score: 7/10
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Wildfire Risk in Las Vegas
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Hurricane Risk in Las Vegas
Score: 0/10
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Tornado Risk in Las Vegas
Score: 1/10
winter-storm
Winter Storm Risk in Las Vegas
Score: 5/10
landslide
Landslide Risk in Las Vegas
Score: 5/10
extreme-heat
Extreme Heat Risk in Las Vegas
Score: 9/10
drought
Drought Risk in Las Vegas
Score: 1/10
high-wind
High Wind Risk in Las Vegas
Score: 5/10
tsunami
Tsunami Risk in Las Vegas
Score: 0/10
flood
Flood Risk in Los Angeles, CA
Score: 9/10
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Flood Risk in Long Beach, CA
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Flood Risk in Phoenix, AZ
Score: 9/10

How this data is built

Las Vegas, NV flood risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live flood monitoring is available through the Event Intelligence API and the DisasterAWARE Platform.

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