DisasterAWARE
7
Very High

extreme-heat Extreme Heat Risk in Jacksonville, FL

Risk Level: Very High — Score 7/10

FEMA: 7Historical: 10

Live Extreme Heat alert status near Jacksonville

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Live extreme heat map around Jacksonville

Shows extreme heat warnings and events that are active right now, refreshed through the day. When none are active, the map is empty by design.

Key Risk Factors

  • FEMA rates Jacksonville's county as Relatively High risk
  • Estimated annual loss of $9M from this hazard type
  • 13 events recorded in proximity in recent decades
  • Active in the 12 months to Aug 9, 2026 (7 events)
  • Average annual frequency: 4.6 events per year

Peak season: June-September

Last significant event: Heat - Northeast and North Florida; Southeast Georgia, United States (2026-07-30) — 2,220,000 people exposed

Highest Risk Cities for Extreme Heats

1
FEMA: 9Historical: 10
2
FEMA: 9Historical: 10
3
FEMA: 9Historical: 10
4
FEMA: 9Historical: 10
5
FEMA: 9Historical: 10
6
FEMA: 9Historical: 10
7
FEMA: 9Historical: 10
8
FEMA: 9Historical: 10
9
Risk: 9Historical: 10
10
Risk: 9Historical: 10
Jacksonville is not in the top 10 for extreme heat risk among tracked cities.

How Jacksonville Compares

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Notable Extreme Heat Events Near Jacksonville

DisasterAWARE's historical archive records 5 notable extreme heat events near Jacksonville, ranked below by impact. The most impactful: Heat - Northeast, Central and West-Central Florida and Southeast Georgia, United States (July 2026) — 6,270,000 people exposed; $753,615M capital exposed.

Heat - Northeast, Central and West-Central Florida and Southeast Georgia, United States

July 25, 2026 — ADVISORY

6,270,000 people exposed; $753,615M capital exposed

Cold Weather - Northeast _ north-central Florida, United States

January 19, 2026 — ADVISORY

2,600,000 people exposed; $302,578M capital exposed

Excessive Heat - Northeast Florida and Southeast Georgia, United States

July 29, 2026 — WARNING

2,280,000 people exposed; $278,450M capital exposed

Heat - Northeast and North Florida; Southeast Georgia, United States

July 30, 2026 — ADVISORY

2,220,000 people exposed; $255,053M capital exposed

Heat - Northeast Florida and Southeast Georgia, United States

August 13, 2025 — ADVISORY

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

How this data is built

Jacksonville, FL 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.

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.

Monitor Extreme Heat Risk in Real Time

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