Philadelphia broke a daily record high today, reaching 99 degrees as the region's heat wave officially began. The high temperature so far at Philadelphia International Airport reached 99, breaking a ...

Weather reports indicate a heat dome with highs in the 90s to low 100s is building over parts of the country this week — including the Northeast with a short, but significant, hot and humid spell ...

The brutal late-June heat wave that's scorching tens of millions of people stretches from the Midwest to the Northeast and is causing sweltering folks to wonder when it will finally end. It all ...

There's potential of a third heat wave this summer, and it quite possibly has already begun. Temperatures turned up to 90 degrees in Central Park on Sunday, which could be the start to the tri-state's ...

Extensive triple digit heat, broken temperature records and oppressive humidity piled up into a steaming mess as the heat dome crushing the Eastern half of the nation sizzled to what should be its ...

Southern California continued baking under a heat wave Monday that's expected to last a few more days, but forecasters are also warning that thunderstorms, some flash flooding and high winds could be ...

Millions of Americans were asked to reduce electricity to prevent outages. Millions of Americans were under historic heat wave conditions this week -- driving up widespread use of air conditioning and ...

The season’s most dangerous heat wave so far is expected to hit Southern California this week. Extreme heat and fire weather advisories have been issued beginning Wednesday, set to last for several ...

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