Heat advisories issued across parts of southern US [Video]

FORT LAUDERDALE, Fla. — The summer doldrums have set in across much of the United States, with heat advisories being issued Saturday from Texas to South Florida.

In Miami, the temperature reached the low 90s Fahrenheit (32 degrees Celsius) before noon Saturday. That is largely because of the lack of clouds and rain, said Sammy Hadi, a meteorologist with the National Weather Service in Miami. He said it is not unusual to have a heat advisory this time of year in South Florida.

“It’s just a hot stretch,” Hadi said. “Tomorrow there will be more coverage of showers and thunderstorm activity, so that should keep the temperatures below heat advisory thresholds.”

Scorching heat under a heat dome was blanketing parts of the southern Plains and many southern states …