Severe thunderstorms will continue to prowl the central United States through the weekend with some areas at risk for damage ...

Maps show where extreme humidity and 90- or 100-degree temperatures will affect about 255 million people across the United States.

The first heat wave of summer could bring punishing humidity and triple-digit temperatures to many states east of the Rocky ...

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The first full week of summer will also bring with it New York's first heat wave with a heat dome settling over the Northeast on Sunday and bringing humidity and possible triple-digit temperatures.

Heat dome will blanket much of the US, with worrisome temperatures in Midwest Summer makes a dramatic entrance in the U.S. this week with a heat dome that will bring stifling heat and ...

More than 150 million Americans from Texas to Maine are under extreme heat advisories as dangerously high temperatures bake the nation. Meteorologists warn that this heat dome could expand to affect ...

Strong afternoon northwest winds along the coast will help maintain cooler conditions at most beaches, holding temperatures ...

As a deadly heat wave continued to scorch much of the eastern half of the country, a round of thunderstorms known as a "ring of fire" was cropping up along some of the edges of the heat dome ...

Tens of millions of Americans were under heat warnings and advisories as a heat wave continued to grip much of the country.

The weather forecast for San Luis Obispo County, California, calls for triple-digit temperatures as a “heat dome” is expected to warm up much of the state.