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This week's extreme heat reaches its peak. See the hot weather timeline
Summary by The Los Angeles Editorial Desk · Based on reporting by Jonathan Lloyd , NBC Los Angeles (KNBC)
· July 23, 2026
· 1 min read
The warmest day in an extended stretch of extreme heat arrives Thursday when widespread triple-digit temperatures are in the forecast for Southern California. Triple-digit highs are expected in the high desert and parts of the San Fernando Valley with low 90s in the downtown LA forecast. “Today i...
Story provenance No corrections
Summary created by The Los Angeles Editorial Desk — automated, rule-governed Original reporting Jonathan Lloyd, NBC Los Angeles (KNBC) Original story Read at the source Source published Jul 23, 2026 AI assistance Automated summary drawn from the source’s own published text Prepublication human review No — editorial rules, flagged-item review, and published samples
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Key takeaway Triple-digit highs are expected in the high desert and parts of the San Fernando Valley with low 90s in the downtown LA forecast.
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Original reporting by NBC Los Angeles (KNBC) . The Los Angeles surfaces reporting from trusted publishers and adds local editorial context so readers can quickly understand what a story means for their community. We attribute every source, link to the original report, and follow a documented editorial standards policy. To understand how stories are selected and reviewed, read our about page .
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Category: local ·
Published: July 23, 2026 ·
Source: NBC Los Angeles (KNBC) ·
Reading time: 1 min
Frequently asked about this story
What is this story about? The warmest day in an extended stretch of extreme heat arrives Thursday when widespread triple-digit temperatures are in the forecast for Southern California. Triple-digit highs are expected in the high desert and parts of the San Fernando Valley with low 90s in the downtown LA forecast. “Today i...
When was this published? This article was first published on July 23, 2026 by NBC Los Angeles (KNBC) and curated for The Los Angeles readers.
Who reported this story? This story was reported by Jonathan Lloyd at NBC Los Angeles (KNBC). To learn more about how The Los Angeles selects and reviews stories, see our editorial standards .
Where can I find related coverage? See more local coverage from The Los Angeles, or browse our daily briefing and topic hubs .
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