The changing climate means less rain for the southwestern U.S., along with more days of 100-degree heat, according to a report released by the U.S. Global Change Research Program. The report also finds that while some parts of the country will experience additional rainfall, higher temperatures could still lead to drought conditions becoming commonplace. "Floods and droughts are likely to become much more common and intense as regional and seasonal precipitation patterns change and rainfall is more concentrated into heavy events with longer dry periods in between," said scientists who worked on the report.

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