Firefighters Face Heat Wave As They Battle California Wildfires

The video discusses the Route Fire near Los Angeles, which has burned over 5000 acres and is only 27% contained. It highlights the impact of drought and heat, with red flag warnings across the Western US. Death Valley is expected to set a new September heat record. The National Weather Center has issued excessive heat warnings, with critical wildfire concerns in several regions. Temperatures are soaring in cities like Las Vegas, San Diego, and Reno.

What areas are under excessive heat warnings as mentioned in the text?

What precautions should people take in light of the wildfire risks mentioned?