Extreme Heat Risk in Fresno, CA
Risk Level: Very High — Score 7/10
Live Extreme Heat alert status near Fresno
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Live extreme heat map around Fresno
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 Fresno's county as Relatively High risk
- Estimated annual loss of $12M from this hazard type
- 17 events recorded in proximity in recent decades
- Active in the 12 months to Aug 9, 2026 (8 events)
- Average annual frequency: 7.0 events per year
Peak season: June-September
Last significant event: Heat - Central San Joaquin Valley and Sierra foothills, California, United States (2026-06-14) — 3,070,000 people exposed
Highest Risk Cities for Extreme Heats
How Fresno Compares
Notable Extreme Heat Events Near Fresno
DisasterAWARE's historical archive records 5 notable extreme heat events near Fresno, ranked below by impact. The most impactful: Heat - Central California, United States (September 2025) — 4,410,000 people exposed; $1,025,788M capital exposed.
Heat - Central California, United States
September 1, 2025 — ADVISORY
4,410,000 people exposed; $1,025,788M capital exposed
Heat - Central San Joaquin Valley and Sierra foothills, California, United States
June 14, 2026 — ADVISORY
3,070,000 people exposed; $645,404M capital exposed
Heat - Central San Joaquin Valley and Foothills, California, United States
June 11, 2026 — ADVISORY
3,070,000 people exposed; $645,404M capital exposed
Heat - Central California, United States
September 1, 2025 — ADVISORY
3,010,000 people exposed; $638,788M capital exposed
Extreme Temperatures - San Joaquin Valley California, United States
February 6, 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
How this data is built
Fresno, CA 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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