Season’s first major heat wave triggers extreme heat warnings, advisories affecting over 150M people from Texas to Maine - ...

Boston's current heat wave brings a high of 92 degrees with isolated storms, and a cool down expected by the weekend.

Ozone: Summer days tend to see higher concentrations of this gas, which is harmful when it forms near the ground. Hot and sunny conditions accelerate that process. Ground-level ozone irritates the ...

Tuesday’s heat came on top of 39 new or tied heat records Monday. But just as dangerous as triple-digit heat is the lack of cooling at night, driven by the humidity.

A massive heat dome that sparked the first major heat wave of the summer brought record-breaking temperatures to cities from ...

The heat wave caused disruptions to public transport across the Northeast. Amtrak said it will be forced to slow train speeds ...

NEW YORK (AP) — Extensive triple digit heat, broken temperature records and oppressive humidity piled up into a steaming mess ...

The thermometer at Boston Logan International Airport showed 100 degrees as of 2 p.m. Tuesday, according to the National ...

Tens of millions across the Midwest and Northeast sweltered under a brutal heatwave Tuesday, as actual temperatures — not ...

A life-threatening heat wave has enveloped the East Coast, hitting cities with the worst of the high temperatures on Tuesday ...

Boston recorded its first official heat wave of 2025 and hit 102 degrees Tuesday, as extreme weather set new temperature ...

More than 150 million people in the eastern U.S. are under heat alerts as of early Tuesday – including about 75 million under ...