Severe weather sweeps across US, from excessive heat to snow

PHOENIX, Arizona: Severe weather swept across many parts of the U.S., with extreme heat spreading across Arizona, New Mexico and parts of Texas, Colorado, and Kansas, while unseasonable cold enveloped the Pacific Northwest, snow headed to the northern Rocky Mountains and heavy rainfall forecast from the northern Plains to the Upper Midwest.

More than 63 million people were under heat advisories over the weekend