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Extreme heat warning extended for San Diego County

An extreme heat warning has been extended for San Diego County, with some temperatures exceeding 100°F. The conditions pose elevated health risks, particularly for people vulnerable to heat illness.

By DoomRadar · Published on DoomRadar .

Why it matters

Prolonged dangerous heat can increase illness, strain emergency services and disrupt daily activity across the county.

Related source links

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  1. Extreme heat warning extended for San Diego County as some temps hit above 100 ↗nbcsandiego.com · Recorded source date: Sep 15, 2026, 5:46 PM UTC

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