More than 111 million people across the U.S. remain under weather advisories or warnings as forecasters say an oppressive heat wave might get worse before it gets any better.

You can still enjoy the outdoors this summer despite the scorching weather, if you're smart about it. Here's what to watch out for and how to stay safe.

Parts of Arizona, Texas and South Florida are forecast to see dangerous temperatures again after a weekend of extreme heat. Forecasters warn against spending time outdoors.

In a world getting used to extreme weather, 2023 is starting out bonkers. Meteorologists are saying it's typical weather weirdness, with a boost from human-caused climate change.

Perspiration can be a stinky nuisance as temperatures climb, but scientists say we shouldn't sell sweat short. There's so much more to the briny stuff than meets the eye.

Parts of Southern California were lashed by severe winds from a tropical storm Friday that brought high humidity, rain and possible flooding after a heat wave.

Heat waves, drought, massive storms. The bad news just keeps coming and there's no denying these issues are anxiety-provoking. If you feel that way, you're not alone.

From Arizona to Washington state, forecasters warn of "possibly record breaking" heat with little relief overnight, lasting past Labor Day. California may need to ask residents to conserve power.

NPR's Scott Simon takes a look at the world's temperature maps, and asks what summer will mean to future generations.

Climate change is making heat waves more frequent and intense. With much of the U.S. facing a weekend of extreme temperatures, here are some tips for protecting yourself and your loved ones.

Earlier this year, there had been warnings that supply during peak summer hours might not meet demand. But there have been no reports yet of widespread outages.

"We're used to treating hot spells as a chance to go play in the sun," said a top government scientist. "Our lifestyles and our infrastructure are not adapted to what is coming."

Meteorologists said an overheated mass of air and warm African winds are driving temperatures in the Iberian Peninsula beyond their usual highs.

 Created by researchers at the nonprofit Climate Central, the Climate Shift Index teases out the effect of climate change on daily temperatures all over the U.S., showing how the burning of fossil fuels has boosted the odds of any given daily high and low temperatures.

A blanket of hot air stretching from the Mediterranean to the North Sea is bringing much of Western Europe its first heat wave of the summer.