An oppressive heat wave across much of the western United States had cities and their residents sweltering through conditions this weekend that are normally more common at the height of summer.

This is read by an automated voice. Please report any issues or inconsistencies here. Southern California is entering its second day of the potentially worst heat wave for March, ever, and temperature ...

Temperatures reached record highs in multiple states on Wednesday, as a heat wave that has been scorching the West since last week expanded into the middle of the country. The unusually warm weather ...

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It could boost temperatures, humidity and the threat for tropical storms in the West through summer.