Heat Advisory issued June 21 at 11:48AM PDT until June 25 at 9:00PM PDT by NWS Los Angeles/Oxnard CA

What happened

According to National Weather Service’s public record item, Heat Advisory issued June 21 at 11:48AM PDT until June 25 at 9:00PM PDT by NWS Los Angeles/Oxnard CA, * WHAT…Dangerously hot conditions with temperatures up to the middle to upper 90s possible. Hottest Wednesday. * WHERE…Eastern San Fernando Valley, Eastern San Gabriel Mountains, Los Angeles County San Gabriel Valley, Santa Clarita Valley, Western San Fernando Valley, and Western San Gabriel Mountains and Highway 14 Corridor. * WHEN…From 8 AM Tuesday to 9 PM PDT Thursday. * IMPACTS…There is a high risk for heat illness for sensitive populations including the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS…Higher humidity will have the potential to add to the heat discomfort in the afternoons. Temperatures are expected to cool slightly after Thursday but will remain well above normal through the weekend.

Context

The development sits in VINI’s California file for readers following state policy, regional institutions, courts, markets, public services, and California communities. The original report is linked so readers can check the source account, follow later updates, and compare new coverage against the first published record. The source item is dated 2026-06-21T18:48:00+00:00.

What to watch

Open questions include whether primary sources issue follow-up statements, whether local or market impacts become clearer, and whether additional reporting changes the timeline or adds material context.

Source

Primary source: Heat Advisory issued June 21 at 11:48AM PDT until June 25 at 9:00PM PDT by NWS Los Angeles/Oxnard CA via National Weather Service. VINI cites and links the source; it does not reproduce the publisher’s full article text without rights clearance.