Southern California Heat Wave: Hottest Day Expected Thursday

Weeklong Heat Wave Intensifies

• ☀️ Southern California is experiencing a weeklong heat wave with temperatures above average.
• 🌡️ Thursday is predicted to be the hottest day of this period across the region.

Inland Valley Temperatures and Air Quality

• 📈 Inland valleys are facing very poor to unhealthy air quality.
• 💨 While coastal areas may see some cloud cover due to a coastal eddy, this does not extend to inland regions.

Extreme Heat and Eastward Shift

• 🔥 Triple-digit temperatures are expected across the board, with places like Palm Springs reaching 118 degrees.
• 🏜️ This classic heat is backing in from the east, originating from Arizona.
• ⚠️ This intense heat is a shift from the milder conditions experienced in June and July, which were mostly below average.

Brief Cooler Interlude

• ☁️ A brief period of cooler air is expected on Monday due to a weak upper-level low.
• ⏳ However, this cooling effect is not expected to last long.