A dangerous heatwave is sweeping the U.S., with temperatures in the upper 90s to low 100s and heat index values above 110°F.

New York City and the entire Northeast are facing compounded weather risks this week as intense heat and wildfire smoke pose ...

Scientists are sounding the alarm on hot summer nights, saying they are quietly becoming a worrisome consequence of climate ...

The combined heat and humidity could make it feel like up to 106 degrees in some parts of New Jersey on Tuesday and Wednesday ...

A heat index topping 100 degrees will convert much of the tristate area into a sauna for the next three days, weather officials said Monday in yet another heat advisory.

The Severe Thunderstorm Warning for Erie County and the central portion of Lorain County is in effect until 6 p.m. this ...

With scorching temperatures blanketing nearly half the country, power providers brace for peak demand as cities issue health warnings and transit systems slow under the strain.

Extreme heat may make people sick in North Carolina. Here's how to avoid heat illness when it feels like 105-110 degrees ...

The thunderstorm risk level went from enhanced to moderate for the area, with timing now pushed back to between 5 p.m. and 1 ...

A derecho can bring particularly violent thunderstorms to the Midwest. Here's what Iowans should know about storm risks on Monday.

On Monday at 2:40 p.m. an extreme heat warning was issued by the National Weather Service valid from Tuesday 11 a.m. until ...

Millions of Americans are under heat alerts Monday as a heat wave brings triple-digit temperatures or heat indices to nearly ...