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9
Extreme

extreme-heat Extreme Heat Risk in Chicago, IL

Risk Level: Extreme — Score 9/10

FEMA: 9Historical: 8

Key Risk Factors

  • FEMA rates Chicago's county as Very High risk for this hazard
  • Estimated annual loss of $193M from this hazard type
  • 1 events on record in proximity
  • 1 event(s) in the last 12 months
  • Average annual frequency: 2.9 events per year

Peak season: June-September

Last significant event: Extreme Cold - Central Cook County, Illinois, United States (2026-01-23) — 3,260,000 people exposed

Highest Risk Cities for Extreme Heats

1
Chicago, IL
FEMA: 9Historical: 8
2
FEMA: 9Historical: 0
3
FEMA: 9Historical: 10
4
FEMA: 9Historical: 10
5
FEMA: 9Historical: 10
6
FEMA: 9Historical: 10
7
FEMA: 9Historical: 0
8
FEMA: 9Historical: 10
9
FEMA: 7Historical: 10
10
FEMA: 7Historical: 10

How Chicago Compares

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Notable Extreme Heat Events Near Chicago

Extreme Cold - Central Cook County, Illinois, United States

January 22, 2026 WARNING

3,260,000 people exposed; $503,525M 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

Related Pages

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