US Southwest is experiencing a punishing heatwave with temperatures soaring to triple digits. Officials warn of heat-related illnesses and urge precautions.
A punishing dry-heat wave is baking the US Southwest, with temperatures soaring to triple digits in some areas.
The heat wave is expected to last for several days, and health officials are warning people to take precautions to stay safe.
In California, temperatures could touch 120 degrees in some areas.
In Arizona, Phoenix is expected to see its longest period of 110-degree high temperatures on record.
And in Texas, the heat will combine with humidity to push heat indexes into dangerous territory.