DisasterAWARE
9
Extreme

flood Flood Risk in Dallas, TX

Risk Level: Extreme — Score 9/10

FEMA: 9Historical: 10

Live Flood alert status near Dallas

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Key Risk Factors

  • FEMA rates Dallas's county as Very High risk for this hazard
  • Estimated annual loss of $324M from this hazard type
  • Extensive history of significant events in this area
  • High recent activity — multiple events in the 12 months to Aug 9, 2026
  • Average annual frequency: 4.6 events per year

Peak season: March-September

Last significant event: Flood - Dallas--Fort Worth--Arlington, TX Region, United States (2025-05-27) — 164,000 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

How Dallas Compares

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Notable Flood Events Near Dallas

DisasterAWARE's historical archive records 5 notable flood events near Dallas, ranked below by impact. The most impactful: Flood - Dallas--Fort Worth--Arlington, TX Region, United States (May 2025) — 3,570,000 people exposed; $399,089M capital exposed.

Flood - Dallas--Fort Worth--Arlington, TX Region, United States

May 6, 2025 — WARNING

3,570,000 people exposed; $399,089M capital exposed

Flood - Dallas--Fort Worth--Arlington, TX Region, United States

March 9, 2024 — WARNING

448,000 people exposed; $73,619M capital exposed

Flood - Dallas--Fort Worth--Arlington, TX Region, United States

March 25, 2024 — WARNING

380,000 people exposed; $72,365M capital exposed

Flood - Dallas--Fort Worth--Arlington, TX Region, United States

May 27, 2025 — WARNING

164,000 people exposed; $39,934M capital exposed

Flood - Dallas--Fort Worth--Arlington, TX Region, United States

June 20, 2020 — 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

earthquake
Earthquake Risk in Dallas
Score: 5/10
wildfire
Wildfire Risk in Dallas
Score: 3/10
hurricane
Hurricane Risk in Dallas
Score: 3/10
tornado
Tornado Risk in Dallas
Score: 9/10
winter-storm
Winter Storm Risk in Dallas
Score: 9/10
landslide
Landslide Risk in Dallas
Score: 1/10
extreme-heat
Extreme Heat Risk in Dallas
Score: 9/10
drought
Drought Risk in Dallas
Score: 3/10
high-wind
High Wind Risk in Dallas
Score: 9/10
tsunami
Tsunami Risk in Dallas
Score: 0/10
flood
Flood Risk in Arlington, TX
Score: 7/10
flood
Flood Risk in Fort Worth, TX
Score: 7/10
flood
Flood Risk in Austin, TX
Score: 7/10

How this data is built

Dallas, TX 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.

The data behind this page

Every score and event here comes from DisasterAWARE's hazard database — available as downloadable historical datasets and a real-time API.

Historical flood event data for Dallas, TX — free dataset samples →Real-time flood alerts by API →

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