Extreme Heat Risk in Portland, OR
Risk Level: Very High — Score 7/10
Live Extreme Heat alert status near Portland
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Live extreme heat activity around Portland — refreshed throughout the day.
Open full-screen map →Key Risk Factors
- FEMA rates Portland's county as Relatively High risk
- Estimated annual loss of $10M from this hazard type
- 18 events recorded in proximity in recent decades
- Active in the last 12 months (10 events)
- Average annual frequency: 6.3 events per year
Peak season: June-September
Last significant event: Excessive Heat - Portland–Vancouver metro and Columbia River Gorge, United States (2026-06-14) — 1,940,000 people exposed
Highest Risk Cities for Extreme Heats
How Portland Compares
Notable Extreme Heat Events Near Portland
DisasterAWARE's historical archive records 5 notable extreme heat events near Portland, ranked below by impact. The most impactful: Excessive Heat - Greater Portland metro and nearby valleys, Oregon/Washington (June 2026) — 2,660,000 people exposed; $475,633M capital exposed.
Excessive Heat - Greater Portland metro and nearby valleys, Oregon/Washington
June 13, 2026 — WATCH
2,660,000 people exposed; $475,633M capital exposed
Excessive Heat - Portland Metro and Columbia River Gorge, Oregon, United States
June 13, 2026 — WARNING
1,990,000 people exposed; $375,109M capital exposed
Excessive Heat - Portland–Vancouver metro and Columbia River Gorge, United States
June 13, 2026 — WATCH
1,940,000 people exposed; $371,857M capital exposed
Heat - Portland–Vancouver metro area, United States
May 2, 2026 — ADVISORY
1,620,000 people exposed; $310,330M capital exposed
Excessive Heat - Columbia River Gorge and East Portland Metro, United States
August 21, 2025 — WATCH
183,000 people exposed; $31,576M 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
How this data is built
Portland, OR 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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