A relentless heat dome is currently expanding from Texas to California, bringing dangerously high temperatures and setting new records across the southern United States. Cities like Dallas and Houston are under heat advisories as triple-digit temperatures persist, with some areas feeling as hot as 110 degrees. Authorities warn that the extreme heat is likely exacerbated by climate change. The forecast suggests record-breaking heat could continue for several days, with only modest relief expected in the near future. Residents are advised to take precautions as the dangerous heat affects millions and elevates fire risks across the region.