DisasterAWARE
3
Moderate

extreme-heat Extreme Heat Risk in Denver, CO

Risk Level: Moderate — Score 3/10

FEMA: 3Historical: 10

Live Extreme Heat alert status near Denver

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Live extreme heat activity around Denver — refreshed throughout the day.

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Key Risk Factors

  • Estimated annual loss of $1M from this hazard type
  • 8 events on record in proximity
  • Active in the last 12 months (7 events)
  • Occurs roughly 1.00 times per year on average
  • Largest recent event exposed 3,470,000 people

Peak season: June-September

Last significant event: Heat - Northern Front Range, Colorado, United States (2026-07-19) — 3,470,000 people exposed

Highest Risk Cities for Extreme Heats

1
Chicago, IL
FEMA: 9Historical: 10
2
Houston, TX
FEMA: 9Historical: 10
3
Phoenix, AZ
FEMA: 9Historical: 10
4
Philadelphia, PA
FEMA: 9Historical: 10
5
Dallas, TX
FEMA: 9Historical: 10
6
Las Vegas, NV
FEMA: 9Historical: 10
7
Tucson, AZ
FEMA: 9Historical: 10
8
Mesa, AZ
FEMA: 9Historical: 10
9
Mumbai, India
Risk: 9Historical: 10
10
Shanghai, China
Risk: 9Historical: 10
Denver is not in the top 10 for extreme heat risk among tracked cities.

How Denver Compares

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Notable Extreme Heat Events Near Denver

DisasterAWARE's historical archive records 5 notable extreme heat events near Denver, ranked below by impact. The most impactful: Extreme Cold - United States (January 2025) — 158,777,000 people exposed; $26,054,772M capital exposed.

Extreme Cold - United States

January 16, 2025 — WARNING

158,777,000 people exposed; $26,054,772M capital exposed

Extreme Heat - Western United States

June 30, 2024 — WARNING

57,756,300 people exposed; $11,667,287M capital exposed

Heat - Central and Western United States

July 17, 2026 — ADVISORY

85,600,002 people exposed; $10,212,675M capital exposed

Extreme Temperature - Central United States

February 17, 2025 — WARNING

31,300,021 people exposed; $3,440,932M capital exposed

Heat - Northern Front Range, Colorado, United States

July 18, 2026 — ADVISORY

3,470,000 people exposed; $522,451M capital exposed

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

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How this data is built

Denver, CO extreme heat risk combines Historical Event Intelligence with authoritative hazard modeling from the Geospatial Intelligence Layers catalog. Live extreme heat monitoring is available through the Event Intelligence API and the DisasterAWARE Platform.

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