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Extreme Heat Warning Issued for Coachella Valley and Surrounding Areas

August 23, 2026 · wweather1 editorial · 1 min read

The National Weather Service in San Diego has issued an Extreme Heat Warning for parts of Southern California, bringing dangerously hot conditions with temperatures reaching up to 117 degrees.

The National Weather Service issued the high-severity Extreme Heat Warning on August 22 at 9:43 PM PDT. The warning remains in effect until August 28 at 8:00 PM PDT.

Affected locations include the Coachella Valley, San Diego County Deserts, and the San Gorgonio Pass near Banning. During this event, temperatures are expected to range from 110 to 117.

Additional details indicate that overnight temperatures will remain 5 to 8 degrees above normal, which will limit relief from the heat.

Officials note that heat-related illnesses increase significantly during extreme heat events.

Why it is dangerous and what to do

⚠️ Safety
• Drink plenty of fluids.
• Stay in an air-conditioned room.
• Stay out of the sun.
• Check up on relatives and neighbors.
📊 The numbers, from wweather1 data
Palm Springs: now +42°, Partly cloudy.
That is 6° above the September climate norm.
The record for this date is +44° (2018).
Three-day forecast: 8 September: +42°/+27° · 9 September: +42°/+31° · 10 September: +42°/+29°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates.

🌍 Weather in nearby cities

📰 Data source: NWS. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.

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