Severe weather events, such as heavy rainfall, are on the rise worldwide. Reliable assessments of these events can save lives ...

Extreme heat is impacting states across the country. See maps of high temperature forecasts and heat index levels.

A brutal heat wave across the eastern United States trapped millions of people in sweltering air this week with record-high ...

Texas leads the country in flood deaths. Steep hills, shallow soils and a fault zone have made Hill Country, also called ...

Maps show where extreme humidity and 90- or 100-degree temperatures will affect about 255 million people across the United States.

Experts say climate change is making extreme weather events more frequent and severe, but that our attitudes and actions haven't kept up ...

In Caribou, Maine, the National Weather Service issued its first-ever excessive heat warning for a heat index nearing 110F on June 19. Las Vegas also grappled with extreme heat, reaching ...