Record-breaking heat dome expected to bring dangerous temperatures to US south-west

As wildfires rage and intense heat builds across the region, daytime highs of 110-11F (43-46C) are forecast Surging temperatures are expected to broil more than 45 million people as a heat dome settles in across the south-western US through the end of August and into early September, according to the National Weather Service (NWS).

As wildfires rage in some parts and intense heat builds across the region, daytime highs of 110-115F (43-46C) are forecast, with limited cooling relief in the evenings and overnight.

Experts predict that some record highs could be tied or broken this month and the weather agency warned of the scorching late summer heat as a potential health hazard.

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