"Scorching Heat Wave Sweeps Across US Southwest and Midwest: Updated Forecast"

A deadly heat wave continues to grip a large portion of the United States, with heat alerts in effect for 40 million Americans across at least a dozen states. The latest forecast shows scorching temperatures lingering in the Southwest and intensifying in the Midwest. Record-breaking temperatures have been reported in various cities, including Phoenix, Tucson, Las Vegas, and El Paso. Heat index values are expected to be in the 100s from Texas to Florida. The Northern Hemisphere also experienced its hottest day on record, with temperatures surpassing the previous all-time high.