An expert has tips on how to stay cool during the extreme heat in Pittsburgh. Heat is the leading weather-related cause of ...

Blistering temperatures and busted substations are pushing Pennsylvania's electric grid to the brink. Over 28,000 customers ...

A heat dome occurs when a large area of high pressure in the upper atmosphere acts as a reservoir, trapping heat and humidity ...

The rare June heat wave broke about 20 records on Sunday and is expected to break more on Monday. According to The Weather ...

More than 150 million Americans are under the highest-level extreme heat alerts during a wave of above-average temperatures.

Pittsburgh faces a severe heat wave with possible record temperatures; the National Weather Service issues warnings.

Severe weather is possible Tuesday and Wednesday, along with the extreme heat warning in western Pennsylvania.

Whether it’s carrying an umbrella or wearing a hat, every bit of cover is helping in the fight against the blazing sun.

The Pittsburgh area will reach 90 degrees for the first time in 2025 this afternoon. Today will also kick off the first heat ...

PITTSBURGH — Thousands of people are without electricity as an extreme heat wave hits Southwestern Pennsylvania.

Tens of millions of people across the Midwest and East braced Sunday for another sweltering day of dangerously hot ...