DisasterAWARE
7
Very High

extreme-heat Extreme Heat Risk in Indianapolis, IN

Risk Level: Very High — Score 7/10

FEMA: 7Historical: 10

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Key Risk Factors

  • FEMA rates Indianapolis's county as Relatively High risk
  • Estimated annual loss of $20M from this hazard type
  • 18 events recorded in proximity in recent decades
  • Active in the last 12 months (10 events)
  • Average annual frequency: 4.4 events per year

Peak season: June-September

Last significant event: Heat - Northern and Central Indiana, United States (2026-07-14) — 2,710,000 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
Indianapolis is not in the top 10 for extreme heat risk among tracked cities.

How Indianapolis Compares

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Notable Extreme Heat Events Near Indianapolis

DisasterAWARE's historical archive records 5 notable extreme heat events near Indianapolis, ranked below by impact. The most impactful: Extreme Cold - United States (October 2024) — 36,700,000 people exposed; $4,694,319M capital exposed.

Extreme Cold - United States

October 14, 2024 — WARNING

36,700,000 people exposed; $4,694,319M capital exposed

Cold Weather - Central Indiana, United States

January 18, 2026 — ADVISORY

2,890,000 people exposed; $299,513M capital exposed

Heat - Northern and Central Indiana, United States

July 13, 2026 — ADVISORY

2,710,000 people exposed; $288,604M capital exposed

Cold Weather - Central Indiana, United States

January 22, 2026 — ADVISORY

2,550,000 people exposed; $272,438M capital exposed

Extreme Cold - Central Indiana, United States

December 13, 2025 — WARNING

2,280,000 people exposed; $243,894M 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

Indianapolis, IN 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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