AI Summary

A prolonged heatwave continues to affect millions of people in the United States, with extreme heat warnings issued for a significant portion of the country. Millions of individuals are experiencing extremely high temperatures and humidity levels, with heat indexes surpassing 100F in central and southern states from California to Mississippi. The prolonged heatwave has led to widespread heat warnings, affecting at least 40 million people across these regions. The ongoing heatwave has resulted in severe conditions, with high temperatures and humidity levels posing significant health risks to those affected.

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