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9
Extreme

extreme-heat Extreme Heat Risk in Las Vegas, NV

Risk Level: Extreme — Score 9/10

FEMA: 9Historical: 10

Key Risk Factors

  • FEMA rates Las Vegas's county as Very High risk for this hazard
  • Estimated annual loss of $295M from this hazard type
  • 10 events on record in proximity
  • 5 event(s) in the last 12 months
  • Average annual frequency: 11.8 events per year

Peak season: June-September

Last significant event: Excessive Heat - Northwest Arizona, Southeast California, Southern Nevada, United States (2025-08-20) — 3,090,000 people exposed

Highest Risk Cities for Extreme Heats

1
FEMA: 9Historical: 8
2
FEMA: 9Historical: 0
3
FEMA: 9Historical: 10
4
FEMA: 9Historical: 10
5
FEMA: 9Historical: 10
6
Las Vegas, NV
FEMA: 9Historical: 10
7
FEMA: 9Historical: 0
8
FEMA: 9Historical: 10
9
FEMA: 7Historical: 10
10
FEMA: 7Historical: 10

How Las Vegas Compares

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Notable Extreme Heat Events Near Las Vegas

Extreme Heat - Nevada, Arizona and California, United States

August 12, 2019 WARNING

Impact data not available

Excessive Heat - Northwest Arizona, Southeast California, Southern Nevada, United States

August 19, 2025 WARNING

3,090,000 people exposed; $372,153M capital exposed

Excessive Heat - Northwest Arizona, Southeast California, and Southern Nevada, United States

August 19, 2025 WARNING

3,090,000 people exposed; $372,153M capital exposed

Extreme Heat - California/Nevada/Arizona, United States

July 27, 2016 WARNING

Impact data not available

Extreme Heat - California, Nevada, Arizona, United States

August 25, 2019 WARNING

Impact data not available

Extreme Heat Preparedness Tips

  • 1.Stay hydrated — drink water regularly even if you don’t feel thirsty
  • 2.Avoid outdoor activities during peak heat hours (10 AM – 4 PM)
  • 3.Know the signs of heat exhaustion and heat stroke
  • 4.Check on elderly neighbors and those without air conditioning
  • 5.Never leave children or pets in a parked vehicle

Related Pages

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