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Extreme Heat Warning Issued for Parts of Southern California

August 29, 2026 · wweather1 editorial · 1 min read

The National Weather Service in San Diego has issued an Extreme Heat Warning for the Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning, valid until 8:00 PM PDT on August 29.

The National Weather Service San Diego issued the alert at 5:20 AM PDT on August 29. Dangerously hot conditions are expected to remain across the region until the warning expires at 8:00 PM PDT.

The affected locations include the Coachella Valley, San Diego County Deserts, and the San Gorgonio Pass near Banning. Daytime temperatures in these areas are forecasted to reach between 105 and 112 degrees.

According to weather officials, extreme heat events significantly increase the likelihood of heat-related illnesses. Residents and visitors in the impacted regions are advised to limit heat exposure.

Why it is dangerous and what to do

⚠️ Safety
• Drink plenty of fluids and stay in an air-conditioned room.
• Stay out of the direct sun and check on relatives and neighbors.
• Never leave young children or pets in unattended vehicles, as interior temperatures can reach lethal levels in minutes.
📊 The numbers, from wweather1 data
Palm Springs: now +32°, Clear.
That is 6° above the August climate norm.
The record for this date is +46° (2023).
Three-day forecast: 29 August: +45°/+32° · 30 August: +42°/+29° · 31 August: +38°/+27°
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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